| DELTA ELECTRONICS, INC. Patent applications |
| Patent application number | Title | Published |
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| 20120128486 | CENTRIFUGAL FAN AND IMPELLER THEREOF - A centrifugal fan includes an impeller, a motor and a case. The impeller includes a hub and multiple blades. The hub has a center. The blades are connected to the hub and have all respective outmost edges collectively define a circle with the center and a radius R. Each blade has at least one concave cutout. Each concave cutout is equipped with a depth of greater than 0.5 millimeters and an obtuse angle of less than 170 degrees, wherein the obtuse angle is an included angle between an inner edge of the concave cutout and an outer edge of the blade. The motor is secured to the huh and drives the impeller to rotate. The case houses the impeller and the motor. | 05-24-2012 |
| 20120128485 | FAN ASSEMBLY AND AIRFLOW PASSAGE STRUCTURE THEREOF - An airflow passage structure is applied to a fan. The airflow passage structure includes a sidewall and an airflow channel. The sidewall has uneven thickness. The airflow channel is defined by an inner surface of the sidewall, and includes a channel entrance and a channel exit. The channel exit is in communication with an airflow inlet of the fan. The diameter of the airflow channel is non-uniformly distributed. | 05-24-2012 |
| 20120127439 | PROJECTION APPARATUS, ILLUMINATION MODULE AND BRIGHTNESS ADJUSTING METHOD FOR THE PROJECTION APPARATUS - A projection apparatus, an illumination module and a brightness adjusting method for the projection apparatus are provided. The projection apparatus comprises the illumination module and the actuator. The illumination module comprises a luminous element. First, the actuator drives the luminous element to move from the first position to the second position to detect the first brightness and second brightness generated by the luminous element. When the first brightness is higher than the second brightness, the actuator is adapted to drive the luminous element to the first position. Thereby, the brightness of a projection image generated by the projection apparatus can be adjusted to an optimal value. | 05-24-2012 |
| 20120106207 | RESONANT TRANSFORMER AND RESONANT CONVERTER EMPLOYING SAME - A resonant transformer and resonant converter are disclosed. The resonant transformer includes a first bobbin, a first primary winding coil, plural first secondary winding coils, a second bobbin, a second primary winding coil, plural second secondary winding coils and a magnetic core assembly. The first bobbin includes a first winding section and plural single-trough second winding sections. Plural pins are arranged at the first winding section. The first primary winding coil is wound around the first winding section and connected with the pins. The first secondary winding coils are wound around respective single-trough second winding sections. The second bobbin includes a third winding section and plural single-trough fourth winding sections. The second primary winding coil are wound around the third winding section and connected with the pins at the first winding section of the first bobbin. The second secondary winding coils are wound around respective single-trough fourth winding sections. | 05-03-2012 |
| 20120106206 | POWER SUPPLY WITH SINGLE STAGE CONVERTER FOR PERFORMING POWER FACTOR CORRECTION AND RESONANT CONVERSION - The invention discloses a power supply having a single stage converter for performing power factor correction to reduce high-frequency harmonics in the input current and performing resonant conversion to achieve zero-voltage switching or zero-current switching for power conversion. The inventive single stage converter includes a switching circuit, a resonant circuit, a power control circuit, and a square wave generator. The switching circuit includes at least one switch and the resonant circuit includes a LLC resonant tank. The power control circuit includes a proportional differential circuit such as a power amplifier configured in a negative feedback topology, and the square wave generator is configured to generate driving signals based on the frequency modulation control signal generated by the comparison of the sensed input current and a user-defined power level input, thereby allowing the square wave generator to regulate the switching operation of the switching circuit. | 05-03-2012 |
| 20120105811 | LIGHT SOURCE ADJUSTING DEVICE AND PROJECTION SYSTEM COMPRISING THE SAME - A light source adjusting device and a projection system comprising the light source adjusting device are provided. The projection system further comprises a light source module which is capable of providing a first beam with a first wavelength. The light source adjusting device comprises a first angle selecting layer, a wavelength converting layer and a second angle selecting layer. The first angle selecting layer receives the first beam and allows a first portion of the first beam to pass therethrough to form a second beam that also has the first wavelength. The first portion of the first beam is a portion of the first beam that is less than an incident angle. The wavelength converting layer receives the second beam transmitted from the first angle selecting layer and converts the second beam with the first wavelength into a third beam with a second wavelength. The second angle selecting layer receives the third beam and allows the third portion of the third beam to pass therethrough to form a fourth beam that also has the second wavelength. The third portion of the third beam is a portion of the third beam that is less than an emergence angle. The second wavelength is larger than the first wavelength, and the emergence angle is less than the incident angle. | 05-03-2012 |
| 20120104857 | HIGH-VOLTAGE POWER SUPPLY MODULE AND POWER SUPPLY SYSTEM - A high-voltage power supply module includes a front-end power converting circuit, a first back-end circuit, a second back-end circuit, a ground terminal and a controlling unit. The front-end power converting circuit receives an input voltage and converts the input voltage into a bus voltage. The first back-end circuit receives the bus voltage and outputs a first voltage. The second back-end circuit receives the bus voltage and outputs a second voltage. The first back-end circuit and the second back-end circuit are connected with a connecting terminal. The ground terminal is connected with the connecting terminal. In response to the first voltage and the second voltage, a first control signal and a second control signal are respectively issued from the controlling unit to the first back-end circuit and the second back-end circuit, thereby adjusting the magnitudes of the first voltage and the second voltage. | 05-03-2012 |
| 20120099276 | WATERPROOF MODULE AND ELECTRICAL EQUIPMENT CABINET EMPLOYING SAME - An electrical equipment cabinet includes a main body and at least one waterproof module. The main body has a surface with an airflow outlet. The waterproof module is installed on the at least one surface of the main body, and includes a covering member, a first water-retaining structure and a second water-retaining structure. The covering member has a first opening. The first water-retaining structure has a second opening. The second opening is not aligned with the first opening. A periphery of the airflow outlet is enclosed by the second water-retaining structure. A heated airflow generated from an internal portion of the main body is exhausted out of the electrical equipment cabinet through the airflow outlet, the second opening and the first opening. If the electrical equipment cabinet is hit by rain, the rain is sequentially blocked by the covering member, the first water-retaining structure and the second water-retaining structure. | 04-26-2012 |
| 20120098452 | METHOD OF CONTROLLING IGNITION CIRCUIT AND IGNITION CIRCUIT USING THE SAME - A method of controlling an ignition circuit to output an excitation voltage is disclosed. The ignition circuit is used to excite a discharge lamp and includes a transformer and a switch element which is connected to a primary winding of the transformer. The method of controlling the ignition circuit comprises steps of: (a) receiving a control signal which is set in accordance with a waveform characteristic of a predetermined excitation voltage to control an impedance of the switch element; (b) controlling a primary current in the primary winding or a primary voltage across the primary winding of the transformer by controlling the impedance of the switch element; and (c) generating the excitation voltage by the secondary winding of the transformer in accordance with the primary current or the primary voltage so as to excite the discharge lamp. | 04-26-2012 |
| 20120095718 | AUTOMATIC TESTING SYSTEM AND METHOD - An automatic testing system includes an equipment group and an electronic device. The equipment group includes plural equipments. The electronic device includes an input unit, a storage unit, a controller, an output unit and an integrated transmission interface. The input unit is used for inputting an instruction. The controller is electrically connected with the input unit and the storage unit for accessing the storage unit according to the instruction, thereby controlling and activating an automatic testing process and issuing a test command. The output unit is connected with the controller. The interface has a first terminal connected with the controller and a second terminal connected with the equipment group for integrating and transmitting the test command to at least one of the equipments of the equipment group, thereby allowing the equipment to perform the automatic testing process. | 04-19-2012 |
| 20120093655 | IMPELLER - An impeller includes a hub and a plurality of blades. The blades are disposed around an outer periphery of the hub. Each of the blades includes a connecting end, a sweep-back part and a sweep-forward part. The connecting end is coupled with the hub. The sweep-back part is disposed at an edge of the blade and extended from the connecting end. An extending direction of the sweep-back part is opposed to a rotating direction of the impeller. The sweep-forward part is extended from the sweep-back part. An extending direction of the sweep-forward part is the same as the rotating direction of the impeller. | 04-19-2012 |
| 20120087155 | AC-DC CONVERTER - An AC-DC converter is disclosed. The AC-DC converter includes an OFF-time clamping circuit. The OFF time clamping circuit outputs a triggering signal when a main switch circuit of the AC-DC converter is switched from ON state to OFF state. When an input AC voltage is too small, and a terminal voltage at a first current-conducting terminal of the main switch circuit of the AC-DC converter is lower than a specific voltage such that a switching control circuit can not turn on the main switch circuit again, the switching control circuit can still turn on the main switch circuit again by the triggering signal. Therefore, the OFF time of the main switch circuit is clamped. The switching control circuit can control the switching operation of the main switch circuit. | 04-12-2012 |
| 20120086919 | COOLING DEVICE AND PROJECTOR COMPRISING THE SAME - A cooling device and a projector comprising the same are provided. The projector comprises a light source. The cooling device is disposed adjacent to the light source for cooling a bulb of the light source. The cooling device comprises a blower and a guiding device. The blower is used to generate an airflow towards the bulb. The guiding device is disposed adjacent to the blower and comprises a peripheral edge and a flapper. The peripheral edge defines an outlet for the airflow to pass therethrough. The flapper moves along a direction of gravity to partially cover the outlet to force the airflow to flow towards an end of the bulb away from the direction of gravity. | 04-12-2012 |
| 20120086396 | VEHICLE CHARGING SYSTEM WITH CHARGING EFFICIENCY CONTROL AND PROVIDING ADAPTIVE CHARGING SERVICE - The invention discloses a charging system for electric vehicle which includes at least one charging station. The charging station includes a socket breaker. When the connection between the charging pump of the charging station and the socket lock on the charging stand of the vehicle is not secure or the charging current for charging the vehicle is too large, the socket breaker will open to shut down the power supply for the socket lock of the vehicle, thereby terminating the charging operation for the vehicle. Also, the charging station includes an adaptive charging control circuit and a power manager for regulating the charging current for the vehicle according to the charging demands of the electric vehicle and the loading of a smart grid/utility grid, thereby providing flexible and adaptive charging service for the vehicle. | 04-12-2012 |
| 20120075590 | ILLUMINATION SYSTEM AND PROJECTION DEVICE COMPRISING THE SAME - An illumination system and a projection device comprising the same are provided. The illumination system comprises a main optical axis, a light source, a wheel, an optical device, a first wavelength transformer and a first angle selective film. The light source is adapted to provide a light beam advancing along the main optical axis. The wheel is adapted to rotate according to a control signal. The optical device comprises a first lens, a second lens and a third lens sequentially disposed between the light source and the wheel along the main optical axis. The optical device is adapted to converge the light beam to a focused position on the wheel. The first wavelength transformer is disposed on the wheel for receiving and transforming the light beam into a first wavelength light. The first angle selective film is adapted to angle-selectively filter the first wavelength light, and is disposed on the first wavelength transformer. The first wavelength transformer is disposed between the light source and the first angle selective film. | 03-29-2012 |
| 20120071025 | JUNCTION BOX AND CONDUCTOR STRIP CONNECTION DEVICE THEREOF - A conductor strip connection device for a junction box of a solar module is disclosed and comprises a contact member and a press-fitting member. The contact member has a contact segment for connecting to a conductor strip and having at least one first engaging element. The press-fitting member has a suppressing part and at least one second engaging element, wherein the suppressing part is configured to cooperate with the contact segment of the contact member for securing the conductor strip, and the second engaging element is configured to engage with the first engaging element of the contact member for assembling the press-fitting member with the contact member. | 03-22-2012 |
| 20120071024 | JUNCTION BOX AND CONDUCTOR STRIP CONNECTION DEVICE THEREOF - A conductor strip connection device for a junction box of a solar module is disclosed and comprises a contact member having a contact segment for connecting to a conductor strip, a suppressing member having a suppressing part configured to cooperate with the contact segment of the contact member for securing a conductor strip, and a fastening member configured to assemble the suppressing member and the contact member together or disassemble the suppressing member from the contact member for allowing the suppressing member to cooperate with the contact segment of the contact member so as to secure or release the conductor strip. | 03-22-2012 |
| 20120070277 | INTEGRATED FAN - An integrated fan includes a centrifugal blade unit and a frame. The centrifugal blade unit has a hub. The frame is used for accommodating the centrifugal blade unit. The frame includes a first casing, a second casing and at least one airflow-guiding plate. The first casing includes a main plate and an airflow inlet, wherein the airflow inlet is disposed in the main plate and aligned with the hub. The second casing is opposed to the main plate of the first casing. The at least one airflow-guiding plate is aslant and externally extended from an edge of the main plate. The airflow-guiding plate, the first casing and the second casing collectively define an airflow output channel. An included angle between an airflow-leaving direction of the airflow output channel and an airflow-entering direction of the airflow inlet is ranged between 90 and 180 degrees. | 03-22-2012 |
| 20120069525 | ASSEMBLED STRUCTURE OF ELECTRONIC COMPONENT AND HEAT-DISSIPATING DEVICE - An assembled structure includes an electronic component, a heat-dissipating device and a stepped isolation member. The electronic component has a first perforation. The heat-dissipating device has a second perforation corresponding to the first perforation of the electronic component. The stepped isolation member includes a first segment, a second segment and a third segment. The outer diameter of the first segment is smaller than the outer diameter of the second segment, and the outer diameter of the second segment is smaller than the outer diameter of the third segment. The first segment is partially accommodated within the first perforation of the electronic component, the second segment is arranged between the first segment and the third segment and engaged with the second perforation of the heat-dissipating device, and the third segment is contacted with the heat-dissipating device. | 03-22-2012 |
| 20120069505 | JUNCTION BOX AND ELECTRICAL CONNECTION MECHANISM THEREOF - A junction box for a solar module is disclosed and comprises a housing having an opening for introducing a plurality of conductor strips; and an electrical connection mechanism disposed in a receptacle of the housing. The electrical connection mechanism comprises a plurality of conductor strip connection devices disposed on an inner surface of the housing for connecting to the conductor strips; and a current-path arrangement module detachably connected with the conductor strip connection devices and comprising a carrier, a plurality of electricity conveying elements and a plurality of electronic components, wherein the electricity conveying elements and the electronic components are disposed on one surface of the carrier, and each electronic component is connected with two adjacent electricity conveying elements. | 03-22-2012 |
| 20120069306 | GUIDING DEVICE AND PROJECTOR COMPRISING THE SAME - A guiding device and a projector comprising the same are provided. The projector comprises a blower and a bulb. The blower is used for cooling the bulb. The guiding device is disposed between the blower and the bulb, and comprises a body and a flapper. The body of the guiding device is formed with a first outlet and a second outlet. The first outlet and the second outlet are adapted to guide the blower to form a first airflow and a second airflow, respectively. The flapper is disposed in the second outlet and moves along a direction of gravity to partially cover the second outlet to force the second airflow to flow towards a portion of the bulb away from the direction of gravity. | 03-22-2012 |
| 20120068581 | FAN AND MOTOR THEREOF - A motor includes a base plate, a stator, a rotor, a circuit board and a Hall element. The stator is disposed on the base plate. The rotor is disposed around the stator, and includes a rotating shaft and a magnetic assembly. The rotating shaft is extended to a center part of the stator. The magnetic assembly includes plural magnets. The circuit board is arranged between the stator and the base plate and comprises a Hall element. A first gap and a second gap are arranged between every two adjacent magnets. The first gap is in the vicinity of the Hall element, and opposed to the second gap. The distance of a vacant portion of the first gap is shorter than the distance of the second gap, thereby facilitating continuous and steady magnetic induction between the Hall element and the magnetic assembly. | 03-22-2012 |
| 20120067613 | JUNCTION BOX AND CONDUCTOR STRIP CONNECTION DEVICE THEREOF - A conductor strip connection device for a junction box of a solar module is disclosed and comprises a contact member having a contact segment for connecting to a conductor strip, a carrier member, and a lever pivotally connected with the carrier member and having a suppressing portion, wherein the suppressing portion is configured to cooperate with the contact segment of the contact member for disposing or removing the conductor strip when the lever is switched toward a first position and clamping and fastening the conductor strip when the lever is switched toward a second position. | 03-22-2012 |
| 20120062146 | LAMP DRIVING DEVICE - A lamp driving device is provided for driving plural lamps. The lamp driving device includes a power conversion circuit and plural lamp connectors. The power conversion circuit is capable of converting an input voltage into a first DC voltage, and outputting a first current having a constant current value. The plural lamp connectors are serially connected with each other, and have respective positive terminals and respective negative terminals connected with corresponding lamps, thereby outputting respective output voltages and respective output currents to corresponding lamps. The first DC voltage is subject to voltage-division to obtain the output voltages, and the magnitudes of the output voltages from the lamps are substantially identical. | 03-15-2012 |
| 20120062066 | SILICON STEEL ASSEMBLY AND ASSEMBLING METHOD THEREOF - A silicon steel assembly includes a first cover, a second cover, plural tooth members and an outer ring. The second cover has plural recesses. The tooth members are accommodated within respective recesses of the second cover. The first cover, the tooth members and the second cover are combined together to form a combination structure. The outer ring is sheathed around an outer periphery of the combination structure. | 03-15-2012 |
| 20120061071 | OVERHEATING PREVENTION APPARATUS AND PROJECTION APPARATUS - An overheating prevention apparatus for use in a display apparatus is provided. The display apparatus comprises at least one fan running at at least one initial rotation speed. The overheating prevention apparatus comprises a first temperature sensor, a second temperature sensor and a processing module. The first temperature sensor is used for sensing an environment temperature and generating a first signal according to the environment temperature. The second temperature sensor is used for sensing an inner temperature of the display apparatus and generating a second signal according to the inner temperature. The processing module adjusts the at least one fan from the at least one initial rotation speed to at least one first running rotation speed according to the first signal and the second signal. The display apparatus using the present invention can automatically adjusts the speed of the fan so that the display apparatus works correctly. | 03-15-2012 |
| 20120057134 | POLARIZATION CONVERSION SYSTEM AND STEREOSCOPIC PROJECTION SYSTEM EMPLOYING SAME - A stereoscopic projection system includes an optical engine, a relay lens group, a polarization conversion system and two identical projection lenses. The optical engine is used for outputting a non-polarized image light. The non-polarized image light is imaged into the polarization conversion system through the relay lens group to produce an intermediate image. The polarization conversion system includes a polarization beam splitter, a polarization rotating element and a polarization switch. The polarization beam splitter is used for splitting the non-polarized image light into a first-state first polarized beam and a second-state second polarized beam, which have the same total optical length. By the polarization switch, the first output polarized beam and the second output polarized beam are alternately switched between the first state and the second state. The projection lenses are located in the first optical path and the second optical path for projecting the intermediate image. | 03-08-2012 |
| 20120056223 | LED PACKAGE STRUCTURE AND PACKAGING METHOD THEREOF - A LED package structure includes a supporting substrate, a first electrically-conductive structure, a LED chip, an insulating layer and a second electrically-conductive structure. The supporting substrate includes a top surface, a bottom surface and a first channel. The first electrically-conductive structure is filled in the first channel and partially formed on the top and bottom surfaces of the supporting substrate. The LED chip is disposed over the supporting substrate. The insulating layer is formed over the supporting substrate and on bilateral sides of the LED chip. The insulating layer has a second channel corresponding to the first electrically-conductive structure. The second electrically-conductive structure is filled in the second channel and partially formed on the insulating layer, and connected with an electrode of the LED chip. The LED chip and the top and bottom surfaces of the supporting substrate are connected with each other through the first and second electrically-conductive structures. | 03-08-2012 |
| 20120044461 | ILLUMINATION SYSTEM AND PROJECTION DEVICE COMPRISING THE SAME - An illumination system and a projection device comprising the same are provided. The projection device comprises an image-forming system and the illumination system. The illumination system comprises a first light source device, a second light source device and a first light guiding device. The first light source device generates a visible light, while the second light source device directly generates a substantially pure infrared light. The first light guiding device is adapted to guide the visible light and the infrared light to the image-forming system for processing to make the visible light form a visible light image and make the infrared light form an infrared light image. | 02-23-2012 |
| 20120041618 | SMART VEHICLE SEARCHING SYSTEM WITH AUTOMATIC POSITIONING FUNCTION - A smart vehicle searching system with automatic positioning function is disclosed. The smart vehicle searching system with automatic positioning function includes a vehicle having a control module for outputting a control signal; a vehicle searching module having a first global positioning system unit and connected to the control module for receiving the control signal; a smart phone having a second global positioning system unit and a data storage unit; and a transmission medium connected to the vehicle searching module and the smart phone. The first global positioning system unit is operated in response to the control signal. When the control signal is at a disabling state, the first global positioning system unit proceeds with the positioning operation to obtain the latest location data of the vehicle and transmit the location data to the smart phone through the transmission medium, thereby allowing the smart phone to record the location data in the data storage unit as a reference for the smart phone to search the vehicle. | 02-16-2012 |
| 20120039065 | PHOSPHOR PLATE AND ILLUMINATION SYSTEM WITH THE SAME - A phosphor plate includes a glass layer, a wide-angle reflection dichroic filter and a phosphor layer. The wide-angle reflection dichroic filter is disposed on an exit surface of the glass layer. A first blue light and a second blue light of the incident ray are transmissible through the wide-angle reflection dichroic filter. The phosphor layer is disposed beside the wide-angle reflection dichroic filter. By the phosphor layer, the first blue light is excited as a first green light to be outputted and the second blue light is reflected to the wide-angle reflection dichroic filter. The second blue light and a portion of the first green light outputted from the phosphor layer are reflected by the wide-angle reflection dichroic filter, so that the portion of the first green light is transmitted through the phosphor layer and the second blue light is excited as a second green light by the phosphor layer. | 02-16-2012 |
| 20120034385 | MANUFACTURING PROCESS FOR POROUS MATERIAL - A continuous process for manufacturing a porous material is provided. The process includes the steps of mixing a non-ionic surfactant with a precursor of a carbonaceous material to form a mixture comprising a continuous phase and a liquid crystalline mesophase comprising the non-ionic surfactant, wherein the precursor is essentially located in the continuous phase, coating or depositing the mixture onto a non-woven substrate, drying or heating the mixture, and converting the precursor to form a polymer. | 02-09-2012 |
| 20120033185 | ILLUMINATION SYSTEM AND PROJECTOR USING THE SAME - An illumination system includes a first solid-state light-emitting element, a wavelength conversion device, a second solid-state light-emitting element and a third solid-state light-emitting element. The first solid-state light-emitting element is used for emitting a first color light in a first waveband region. The wavelength conversion device includes a wheel body and a wavelength conversion section. The wheel body includes a rotation shaft. The wavelength conversion section surrounds the rotation shaft and contains phosphor coating. By the phosphor coating, the first color light from the first solid-state light-emitting element is excited as a second color light in a second waveband region to be outputted. The second solid-state light-emitting element is used for emitting first color light. The third solid-state light-emitting element is used for emitting a third color light in a third waveband region. | 02-09-2012 |
| 20120026755 | RESONANT CONVERTER SYSTEM HAVING SYNCHRONOUS CONTROL CIRCUIT AND CONTROLLING METHOD THEREOF - The configurations of a resonant converter system and a controlling method thereof are provided. The proposed resonant converter system includes a resonant converter receiving an input voltage for outputting an output voltage, a rectifying device having a first rectifying switch and a synchronous rectification control circuit coupled to the resonant converter and including a signal generation apparatus generating a weighted turn-off signal to turn off the first rectifying switch at a zero crossing point of a first current flowing through the first rectifying switch. | 02-02-2012 |
| 20120021653 | POWER ADAPTER WITH INTERCHANGEABLE CONNECTORS AND POWER SUPPLY HAVING THE SAME - There is disclosed a power adapter which comprises an adapter body and a modular connector. The adapter body has a cavity forming a first opening and a second opening respectively disposed on two adjacent lateral walls of the adapter body, a first connecting member disposed on one of the lateral walls and adjacent to the first opening, and a sliding plate member having a sliding plate embedded in a slide and protrusible in said second opening. The connector is interchangeably coupled to the cavity and blocked by the sliding plate to form an electrical connection with the adapter body, and comprises a second connecting member engaged with the first connecting member. | 01-26-2012 |
| 20120021629 | INTELLIGENT ELECTRICAL CONNECTOR - An intelligent electrical includes a metallic shielding case, an insulating main body, plural conducting terminals and at least one detecting element. The metallic shielding case includes a receiving space and at least one elastic sustaining element. The insulating main body includes a first body part and a second body part. The first body part is accommodated within the receiving space. The second body part is exposed outside the metallic shielding case. The detecting element is disposed on the second body part, arranged beside the elastic sustaining element of the metallic shielding case, and selectively contacted with or separated from the elastic sustaining element. When the elastic sustaining element is contacted with the detecting element, the electricity is permitted to be transmitted through the intelligent electrical connector. Whereas, when the elastic sustaining element is separated from the detecting element, the electricity fails to be transmitted through the intelligent electrical connector. | 01-26-2012 |
| 20120021615 | ROTATABLE PLUG AND ELECTRONIC DEVICE HAVING SUCH ROTATABLE PLUG - An electronic device includes a plug and a main body. The plug includes a casing and a base. The casing has an opening. An extension part is formed on an inner surface of the casing. The base includes at least two conducting pieces. The main body includes a coupling member. The coupling member has a fixing structure and two pins. After the fixing structure is penetrated through the opening, the fixing structure is rotated to be moved along the extension part to a fixed location, so that plug and the main body are combined together and the two pins are respectively contacted with the conducting pieces. | 01-26-2012 |
| 20120020119 | AC-DC CONVERTER AND CONTROL CIRCUIT THEREOF - The invention discloses a control circuit for an AC-DC converter. The control circuit includes a power control circuit for comparing an input current sensing signal generated by sensing an input current of the AC-DC converter and a power level control input and in response thereto generating a frequency modulation control signal, in which the frequency modulation control signal is used to control the output power of the AC-DC converter and suppress harmonics of the input current, and a square wave generator connected to the power control circuit for generating a driving signal used to drive the switch circuit of the AC-DC converter according to the frequency modulation control signal, in which the frequency of the driving signal is varied with the frequency modulation control signal, thereby suppressing harmonics of the input current and regulating the switching frequency the AC-DC converter, and regulating the output power of the AC-DC converter. | 01-26-2012 |
| 20120018566 | TAPE REEL - A tape reel is disclosed, which includes a first reel disk and a second reel disk. The first reel disk includes plural first coupling structures. The second reel disk has plural third coupling structures. The third coupling structures would couple to the first coupling structures for positioning by rotating the first reel disk and the second reel disk. The first reel disk may include plural second coupling structures staggered to the first coupling structures. There is a height difference between the first and second coupling structure. The third coupling structures would selectively couple to the first coupling structures or the second coupling structures. A first gap is formed between the first and second reel disk when the third coupling structures couple to the first coupling structures. A second gap is formed between the first and second reel disk when the third coupling structures couple to the second coupling structures. | 01-26-2012 |
| 20120013219 | POWER GENERATION DEVICE - A power generation device is disclosed, which includes a plurality of thermomagnetic generator and a flow controller. The thermomagnetic generators can acquire first fluids respectively. The flow controller can control flow rates of the second fluids flowing into the thermomagnetic generators respectively, wherein a fluid temperature of the first fluid is different from a fluid temperature of the second fluid. | 01-19-2012 |
| 20120013141 | Expandable Data Center - An expandable data center is provided. The expandable data center includes a first movable container, a second movable container coupling with the first movable container, and a plurality of racks disposed within the first movable container and the second movable container. The size of the second movable container is less than that of the first movable container, so that the second movable container can be moved into the first movable container when a vehicle carries the first movable container and the second movable container from a place to another place. A plurality of sensors and/or detectors are disposed within the first movable container and the second movable container, respectively, for sensing and/or detecting one or more environmental parameters in the first and the second movable containers. A method for deploying a data center is also provided. | 01-19-2012 |
| 20120008354 | DISCHARGE LOOP FOR POWER SUPPLY CIRCUIT AND ACTIVE CONTROL CIRCUIT THEREOF - Provided is a discharge loop for power supply and the active control circuit thereof for actively regulating the discharging operation of the discharge loop of the power supply. The inventive active control circuit is able to disallow the current to flow through the bleeder resistor of the discharge loop to cause power loss when the input power of the power supply is applying, and provide a fast discharge path for the bleeder resistor to expedite the discharging operation when the input power of the power supply is interrupted. Therefore, the inventive active control circuit is able to reduce the power loss of the power supply and enhance the power efficiency of the power supply. | 01-12-2012 |
| 20120007431 | POWER SUPPLY HAVING CONVERTERS WITH SERIALLY CONNECTED INPUTS AND PARALLEL CONNECTED OUTPUTS - A power supply is coupled to an input voltage source. The power supply includes a plurality of converters. Each converter has an input for receiving an input voltage and an output for providing an output voltage. The inputs are connected in series and the outputs are connected in parallel to provide an output voltage. The power supply further includes an output regulating controller coupled to one of the plurality of converters for regulating the output voltage. The power supply further includes one or more input regulating controllers correspondingly coupled to the remaining one or more converters of the plurality of converters for regulating one or more input voltages. | 01-12-2012 |
| 20110299302 | RESONANT CONVERTER SYSTEM WITH HYBRID CONTROL APPARATUS AND CONTROLLING METHOD THEREOF HAVING RELATIVELY BETTER EFFICIENCY - The configurations of a resonant converter system and a controlling method thereof are provided. The proposed resonant converter system includes a resonant converter and a hybrid control apparatus coupled to the resonant converter for generating a driving signal to adjust a phase angle and a frequency of the resonant converter such that the resonant converter would reach a relatively lower voltage gain and have a relatively lower loss during an abnormal operation. | 12-08-2011 |
| 20110292558 | DRIVING CIRCUIT FOR AC CONTACTOR - Disclosed is driving circuit for AC contactor for driving a AC contactor, including a first switch connected in series with a winding of the AC contactor, a first diode reversely connected in parallel with the winding of the AC contactor for providing a discharging path for the winding, a DC startup holding unit having an output terminal connected in series with the first switch and a detection terminal connected to a first contact switch of the AC contactor. The DC startup holding unit is configured to selectively convert a DC driving voltage into a first DC voltage or a second DC voltage. When the AC contactor is not magnetized, the DC startup holding unit outputs the first DC voltage. When the AC contactor is magnetized, the DC startup holding unit outputs the second DC voltage. | 12-01-2011 |
| 20110288850 | ELECTRONIC APPARATUS WITH MULTI-MODE INTERACTIVE OPERATION METHOD - An electronic apparatus with a multi-mode interactive operation method is disclosed. The electronic apparatus includes a display unit, a selecting unit, a voice recognition unit and a control unit. The display unit displays a frame. The selecting unit selects an arbitrary area of the frame on the display unit. The voice recognition unit recognizes a voice signal as a control command. The control unit processes data according to the control command on the content of the arbitrary area selected. A multi-mode interactive operation method is disclosed herein as well. | 11-24-2011 |
| 20110286210 | LED LIGHT SOURCE IN A SINGLE-PACKAGE FOR RAISING COLOR-RENDERING INDEX - A LED light source in a single package for raising the color-rendering index is provided. The LED light source comprises a substrate, at least one covering layer, a primary light source, and a secondary light source. The primary and the secondary light sources are formed on the substrate and coated with the at least one covering layer to provide a first output light and a second output light, respectively. The total output light is a mixed color of the first output light and the second output light. | 11-24-2011 |
| 20110285972 | FLEXIBLY CONNECTABLE DIGITAL MICROMIRROR DEVICE MODULE AND PROJECTING APPARATUS EMPLOYING SAME - A digital micromirror device module includes a flexible connection device, a digital micromirror device and a connecting interface. The flexible connection device includes a plurality of conducting wires and an external insulation layer, wherein the conducting wires are discretely arranged and encapsulated by the external insulation layer. The digital micromirror device unit is disposed on the external insulation layer of the flexible connection device and electrically connected with the conducting wires of the flexible connection device. The connecting interface is arranged at a lateral end of the flexible connection device and connected with the conducting wires. | 11-24-2011 |
| 20110285968 | DISPLAY APPARATUS FOR DISPLAYING MULTIPLE VIEW ANGLE IMAGES - A display apparatus for displaying multiple view angle images is provided. The display apparatus comprises a display screen and a plurality of projectors. Each of the projectors comprises at least a light source module, a spatial light modulator and a lens. The first view angle image and second view angle image emitted from each projector are guided to a first sub-viewing zone and a second sub-viewing zone via a first light beam and second light beam, respectively. The sub-viewing zones imaged by each projector are adjacent to each other along a transverse axis sequentially. | 11-24-2011 |
| 20110279782 | LIGHT SOURCE SYSTEM AND PROJECTION APPARATUS USING THE SAME - A light source system and a projection apparatus using the same are provided. The light source system comprises a light guide module, a light emitting module and a wavelength conversion element. The light guide module has a first side and a second side. The light emitting module is configured to generate a first light, a second light, a third light and a fourth light. The wavelength conversion element, disposed beside the second side of the light guide module, is configured to receive the second light and the fourth light, and to generate a fifth light according to the second light and the fourth light. The second light and the fourth light are guided to the wavelength conversion element via the light guide module. The first light, the third light and the fifth light are guided to the first side via the light guide module. | 11-17-2011 |
| 20110268154 | TEMPERATURE SENSING MODULE - A temperature sensing module includes a thermal sensor and an auxiliary fixture member. The thermal sensor includes a sensing head and plural pins. The pins and respective wires are connected with each other to form plural connecting regions. The auxiliary fixture member includes a fixing part, an extension part, a receiving part and a covering part. The extension part includes plural grooves for partially accommodating the pins of the thermal sensor, the wires and the connecting regions. The receiving part is arranged between the fixing part and the extension part for accommodating the sensing head of the thermal sensor. The covering part is disposed over the extension part for covering the extension part so that the pins, the wires and the connecting regions accommodated within the grooves of the extension part are fixed between the extension part and the covering part. | 11-03-2011 |
| 20110267845 | PARALLEL-CONNECTED RESONANT CONVERTER CIRCUIT AND CONTROLLING METHOD THEREOF - The configurations of a parallel-connected resonant converter circuit and a controlling method thereof are provided in the present invention. The proposed circuit includes a plurality of resonant converters, each of which has two input terminals and two output terminals, wherein all the two input terminals of the plurality of resonant converters are electrically series-connected, and all the two output terminals of the plurality of resonant converters are electrically parallel-connected. | 11-03-2011 |
| 20110260820 | BOBBIN AND TRANSFORMER HAVING SUCH BOBBIN - A transformer includes at least one primary winding coil, at least one secondary winding coil, a bobbin and a magnetic core assembly. The bobbin includes a main body with at least one winding section, a first base disposed under the main body, and plural fastening pins disposed on the first base. The primary winding coil and the secondary winding coil are wound around the main body. Each of the plural fastening pins includes a clamping part for clamping an outlet part of the primary winding coil or the secondary winding coil on the first base. The magnetic core assembly is partially received within the bobbin. | 10-27-2011 |
| 20110259032 | HUMIDITY-ADJUSTING AIR CONDITIONER - A humidity-adjusting air conditioner includes a casing, a heat exchanger, a humidifier and an airflow driving device. The heat exchanger is disposed within the casing for transferring heat of an airflow. The heat exchanger includes a primary duct and a secondary duct. The secondary duct includes a valve. The valve is selectively opened or closed to control whether the secondary duct transfers heat of the airflow. The humidifier is disposed beside a flow path of the airflow for humidifying the airflow. The airflow driving device is disposed within the casing for driving the airflow. | 10-27-2011 |
| 20110259026 | AIRFLOW DRIVING DEVICE HAVING FUNCTION OF MEASURING FLOW RATE AND AIR CONDITIONER WITH SAME - An airflow driving device includes an airflow-guiding member for receiving and guiding an airflow. The airflow-guiding member includes a first opening and a second opening. The open areas of the first opening and the second opening are different such that a pressure difference is generated between the first opening and the second opening. According to the pressure difference, a flow rate of the airflow passing through the airflow driving device is calculated. | 10-27-2011 |
| 20110253706 | HEATING DEVICE WITH PLURAL INDUCTION COILS - A heating device includes a first induction coil, a second induction coil, a first phase power unit, a second phase power unit, a power controller and a user interface unit. The second induction coil isn't always concentric with the first induction coil. The first phase power unit is connected with the first induction coil, and configured for receiving a first phase input voltage and outputting a first voltage. The second phase power unit is connected with the second induction coil, and configured for receiving a second phase input voltage and outputting a second voltage. There is a phase difference between the first phase input voltage and the second phase input voltage. The power controller is used for controlling operations of the first phase power unit and the second phase power unit. The user interface unit is connected with the power controller for controlling the power controller. | 10-20-2011 |
| 20110250831 | AIR-CONDITIONING SYSTEM AND AIR CONDITIONER THEREOF - An air-conditioning system is used in a data center. The air-conditioning system includes plural electronic apparatuses, plural air conditioners and plural airflow blocking structures. The plural airflow blocking structures are arranged in airflow paths of respective air conditioners. If one of the plural air conditioners is disabled, the airflow blocking structure of the disabled air conditioner is automatically closed to block a low flow-resistance path and adjust the airflow paths. | 10-13-2011 |
| 20110248812 | CURRENT-CONTROLLED VARIABLE INDUCTOR - A variable inductor comprises one or more magnetic cores providing magnetic flux paths. An inductor coil is wound around one or more inductor sections of the one or more magnetic cores. An inductor magnetic flux flows through one or more closed flux paths along the inductor sections of the magnetic core. A control coil is wound around one or more control sections of the one or more magnetic cores. A control magnetic flux flows through one or more closed flux paths along the control sections of the magnetic core. Under this arrangement, the inductor magnetic flux substantially does not flow through the control sections of the magnetic core and the control magnetic flux substantially does not flow through the inductor sections of the magnetic core. The closed flux paths associated with the inductor magnetic flux and the closed flux paths associated with the control magnetic flux share one or more common sections of the magnetic core not including the control sections and inductor sections. The inductance of said variable inductor is varied by varying said control magnetic flux. | 10-13-2011 |
| 20110241990 | PROJECTION APPARATUS AND LOCATION METHOD FOR DETERMINING A POSITION OF A LIGHT POINT ON A PROJECTION IMAGE - A projection apparatus and a location method for determining a position of a light point on a projection image of the projection apparatus are provided. The projection apparatus comprises a lens, a light detector, a light guide module and a processing circuit. The light guide module is configured to receive the light point via the lens, and to guide the light point into the light detector. The light detector outputs a detection signal to the processing circuit according to the light point within a detection period. The processing circuit determines the position of the light point on the projection image according to the detection signal. | 10-06-2011 |
| 20110241428 | UNINTERRUPTIBLE POWER SUPPLY AND POWER SUPPLYING METHOD THEREOF - An uninterruptible power supply includes plural power modules and a controlling module. The power modules are electrically connected with a power source, an energy storage unit and a load for converting an input voltage into an output voltage. The controlling module is electrically connected with the plural power modules and the energy storage unit for detecting a storage voltage of the energy storage unit and dynamically adjusting the output voltage of the plural power modules according to the storage voltage of the energy storage unit. If the controlling module is abnormal, the magnitude of the output voltage is maintained at a constant voltage value. | 10-06-2011 |
| 20110234020 | UNINTERRUPTIBLE POWER SUPPLY SYSTEM FOR AVOIDING ARCING GENERATION AND CABINET THEREOF - An uninterruptible power supply includes plural power units, plural output capacitor units, a capacitor energy bleeder circuit, plural output units, a detecting unit and a controlling unit. The capacitor energy bleeder circuit is electrically connected to the plural output capacitor units. The plural output units are connected with each other in parallel to issue the output voltage to the power output side and avoid returning electrical energy from the power output side back to the capacitor energy bleeder circuit. The detecting unit is used for detecting operating statuses of the plural power units. The controlling unit is used for controlling operations of the plural power units and the capacitor energy bleeder circuit. In response to a to-be-interrupted status of a specified power unit, the controlling unit controls the capacitor energy bleeder circuit to discharge electrical energy of the output capacitor unit corresponding to the specified power unit. | 09-29-2011 |
| 20110225980 | MAGNETIC FLUX GENERATING DEVICE AND MAGNETIC HEAT PUMP - A magnetic flux generating device is provided. The magnetic flux generating device includes: a magnetic flux structure, including: a core and at least one coil wraps around at least part of the core; and a power module, electrically coupled between a power source and the magnetic flux structure, for exciting the magnetic flux structure to generate magnetic flux, the power module including: an energy storage device for storing power outputted from the power source and providing power to the magnetic flux structure. The energy storage device includes at least one super capacitor. A magnetic heat pump based on the magnetic flux generating device is also provided. | 09-22-2011 |
| 20110223042 | FAN ASSEMBLY - Disclosed herein is a fan assembly including an active fan, a supporting base and a passive element. The active fan includes a first impeller and a motor. The passive element is driven to rotate by an airflow from the active fan. The passive element includes a impeller and at least one load. The load is connected to the impeller. | 09-15-2011 |
| 20110222246 | HEAT-DISSIPATING MODULE AND ELECTRONIC DEVICE USING SAME - A heat-dissipating module for use in an electric device includes a circuit board, at least one heat-generating element, and at least one heat-conducting element. The circuit board has a first surface, a second surface and at least one perforation. The heat-conducting element is disposed in the perforation. The heat-conducting element includes a base and a sidewall. The heat-generating element is disposed on the base or the sidewall of the heat-conducting element so that the heat by the heat-generating element is conducted to the second surface of the circuit board through the heat-conducting element. | 09-15-2011 |
| 20110221562 | BOBBIN OF TRANSFORMER - A bobbin of a transformer includes a main body and plural connecting bases. The main body has two side plates. The two side plates are respectively disposed on two opposite sides of the main body. A winding section is defined within the two side plates for winding a winding coil. The plural connecting bases are disposed on the two opposite sides of the main body and connected with the side plates. Plural wire-arranging grooves are formed in a bottom surface of each connecting base. Each side plate has an inner recess in communication with a corresponding wire-arranging groove. An initial winding segment of the winding coil is accommodated within the wire-arranging groove and the inner recess, thereby preventing the winding coil from rubbing against the initial winding segment during the winding coil is wound on the winding section. | 09-15-2011 |
| 20110221559 | TRANSFORMER SET - A transformer set includes a first bobbin piece, a second bobbin piece, a third bobbin piece, a fourth bobbin piece and a magnetic core assembly. The second bobbin piece has a first pin and a second pin. A first terminal of a first secondary winding coil is fixed on the first pin, then the first secondary winding coil is successively wound on the second bobbin piece and returned back, and a second terminal of the first secondary winding coil is fixed on the second pin. The fourth bobbin piece has a third pin and a fourth pin. A first terminal of a second secondary winding coil is fixed on the third pin, then the second secondary winding coil is successively wound on the fourth bobbin piece and returned back, and a second terminal of the second secondary winding coil is fixed on the fourth pin. | 09-15-2011 |
| 20110218689 | LOCAL POWER MANAGEMENT UNIT AND POWER MANAGEMENT SYSTEM EMPLOYING THE SAME - Disclosed is a local power management unit acting as a hub-like information agent for assisting a remote management system to administer power distribution units. One local power management unit is connected to a plurality of power distribution units through a peripheral communication interface and connected to the remote management system through an IP network. The local power management unit is configured to collect and analyze the operational data or power consumption information of the connected power distribution units through the peripheral communication interface and transmitted the processed data or information to the remote management system through the IP network. Hence, the workload of the remote management system is alleviated, the network cabling is saved, and the processing time of the polling operation carried out by the remote management system is shortened. | 09-08-2011 |
| 20110216426 | OPTICAL DEVICE - An optical device includes a lens module, a case structure and an optical adjusting mechanism. The optical adjusting mechanism includes a first adjusting member, a second adjusting member and an elastic element. The first adjusting member includes a first interference transmission structure. The second adjusting member is movably connected with the case structure, and includes a second interference transmission structure. In response to the movement of the lens module, the elastic element elastically urges against the second adjusting member so that the second adjusting member is movable within a predetermined distance range, and the second interference transmission structure presses against and engages with the first interference transmission structure. Once the second adjusting member is moved, the first adjusting member is synchronously moved so that optical parameters of the lens module are adjusted through the first adjusting member. | 09-08-2011 |
| 20110211177 | POWER SUPPLY DEVICE WITH PROJECTING FUNCTION - A power supply device includes a mini projecting module, a power converting module and a signal transmission element. The power converting module includes a power input part, a power converting circuit and a power output part. The power converting circuit is used for converting the input voltage into a first output voltage and a second output voltage. The first output voltage and the second output voltage are respectively transmitted to an electronic device and the mini projecting module. The first output voltage is transmitted to the electronic device through the power output part. The signal transmission element is used for connecting the electronic device or an image signal source with the mini projecting module so that an image signal provided by the electronic device or the image signal source is transmitted to the mini projecting module through the signal transmission element. | 09-01-2011 |
| 20110193673 | MAGNETIC ELEMENT AND BOBBIN THEREOF - A magnetic element includes a bobbin, a first winding assembly, a second winding assembly and a magnetic core assembly. The bobbin includes a winding part, a first extension part and a second extension part. The first extension part and the second extension part are separated from each other by the winding part. The first winding assembly is wound around the winding part of the bobbin, and includes plural first terminals. The second winding assembly is wound around the winding part of the bobbin, and includes plural second terminals. The magnetic core assembly includes a first window and a second window. The first extension part is protruded out of the first window. The second extension part is protruded out of the second window. At least one of the first terminals and at least one of the second terminals are simultaneously fixed on the first extension part and/or the second extension part. | 08-11-2011 |
| 20110192568 | MODULAR HEAT-DISSIPATING DEVICE - A modular heat-dissipating device includes an electronic device, a cold plate and a heat-dissipating base. The electronic device includes a casing, a covering plate and a circuit board. The circuit board is disposed within the casing. Plural electronic components are disposed on the circuit board. The cold plate, the casing and the covering plate are combined together to define a sealed space. The cold plate includes plural first fixing structures. The heat-dissipating base is selected from an air-cooling member or a liquid-cooling member. Each of the air-cooling member and the liquid-cooling member includes a first slab under the cold plate and plural second fixing structures corresponding to the first fixing structures. The air-cooling member and the liquid-cooling member are normalized. The heat generated by the electronic device is transmitted to the first slab through the cold plate, and then dissipated away by the air-cooling member or the liquid-cooling member. | 08-11-2011 |
| 20110187269 | LED BACKLIGHT MODULE AND BACKLIGHT DRIVING CIRCUIT - A LED backlight module includes a substrate, a heat-dissipating plate, a LED string and a backlight driving circuit. The LED string includes plural LEDs. The LED string further includes a positive driving terminal, a negative driving terminal and a connecting terminal. A positive output terminal, a negative output terminal and a zero voltage terminal of the backlight driving circuit are respectively connected with the positive driving terminal, the negative driving terminal and the heat-dissipating plate, so that a positive driving voltage and a negative driving voltage are generated by the backlight driving circuit to drive illumination of the LED string. A first number of LEDs of the LED string are electrically connected between the connecting terminal and the positive driving terminal. A second number of LEDs of the LED string are electrically connected between the connecting terminal and the negative driving terminal. | 08-04-2011 |
| 20110187193 | POWER DISTRIBUTION UNIT AND POWER MANAGEMENT ARCHITECTURE EMPLOYING THE SAME - Disclosed is a power distribution unit and power management architecture employing such power distribution unit. The power management architecture includes a remote power management system for managing a plurality of power appliances, and a plurality of power distribution units each of which is provided with wireless network connectivity. With the wireless network connectivity, the remote power management system and the power distribution units constitute a mesh link network for two-way data transmission. In operation, the remote power management system transmits a first profile to the power distribution units to allow the first control unit of the power distribution unit to real-timely control the operation of the power distribution units according to the management policy and/or the management principle recorded in the first profile. | 08-04-2011 |
| 20110182028 | COOLING SYSTEM - A cooling system including several air jet elements, a heat exchange assembly and a frame is provided. The cooling system is applied to a rack server configured to receive a plurality of electronic assemblies. The air jet elements receive a high-pressure air and convert the high-pressure air into a low-temperature air. The heat exchange assembly is disposed in the frame and is connected to the air jet elements so as to perform a heat exchange between the low-temperature air and a high-temperature air generated by the rack server so as to lower the temperature of the high-temperature air. The frame is applied to accommodate the heat exchange assembly. | 07-28-2011 |
| 20110175584 | SWITCH-MODE POWER SUPPLY HAVING REDUCED AUDIBLE NOISE - A power supply having an input and an output, includes a power converter coupled between the input and output of the power supply including at least one switch that is controlled by comparing a sensed voltage, the sensed voltage corresponding to a current flowing through the switch, to a reference voltage. A controller, in response to a change detected in a switching frequency of the switch, reduces audible noise generated by the power supply by at least one of: adjusting the reference voltage; adjusting the current sense voltage; or adjusting a resistance used to generate the sensed voltage. | 07-21-2011 |
| 20110168589 | CASE STRUCTURE AND OPTICAL DEVICE HAVING SUCH CASE STRUCTURE - A case structure includes a covering member and a lid member. The covering member includes a main boy, a first coupling part and a first positioning part. The lid member includes a lid plate, a second coupling part and a second positioning part. The second coupling part of the lid member and the first coupling part of the covering member are engaged with each other so that the lid plate is coupled with the main body and pivotal with respect to the main body. When the lid plate is rotated to a first position, the second positioning part is interference-fitted into the first positioning part so that the lid plate is positioned with respect to the main body. | 07-14-2011 |
| 20110157928 | DC-TO-AC CONVERTING CIRCUIT WITH WIDE INPUT VOLTAGE - A DC-to-AC converting circuit includes a transformer, a first modulation switching circuit, a second modulation switching circuit and a third modulation switching circuit, an inverter switching circuit and a controlling unit. Under control of the controlling unit, two of the first, second and third modulation switching circuits are selectively enabled according to the magnitude of the input voltage, so that electric energy of the input voltage is magnetically transmitted to the first primary winding, a second primary winding or a serially-connected winding assembly of the first primary winding and the second primary winding, and a turn ratio of the transformer is adjustable. | 06-30-2011 |
| 20110156643 | HIGH-VOLTAGE BATTERY CHARGING SYSTEM FOR USE IN ELECTRIC VEHICLE - A high-voltage battery charging system is installed in a vehicle body of the electric vehicle for charging a high-voltage battery unit within the vehicle body. The high-voltage battery charging system includes a rectifier circuit, a power factor correction circuit and a non-isolated DC-DC converting circuit. The rectifier circuit is connected to a common terminal for rectifying an AC input voltage into a rectified voltage. The power factor correction circuit is connected to the rectifier circuit and a bus for increasing a power factor and generating a bus voltage. The non-isolated DC-DC converting circuit is connected to the power factor correction circuit and the high-voltage battery unit for charging the high-voltage battery unit, wherein no transformer is included in the non-isolated DC-DC converting circuit. | 06-30-2011 |
| 20110156615 | BACKLIGHT DRIVING CIRCUIT FOR USE IN LCD PANEL - A backlight driving circuit includes a voltage-regulating circuit, a self-excited oscillation circuit, a transformer, a rectifying circuit and a filtering circuit. The voltage-regulating circuit is used for receiving an input voltage and adjusting the input voltage into a DC voltage. The self-excited oscillation circuit generates an oscillation voltage according to the DC voltage. The transformer includes a first primary winding assembly and a secondary winding assembly. The first primary winding assembly is connected with the self-excited oscillation circuit for receiving the oscillation voltage, so that the secondary winding assembly is induced to generate an AC output voltage. The rectifying circuit is used for rectifying the AC output voltage into a DC driving voltage. The filtering circuit is connected to the rectifying circuit and plural LED strings for filtering the DC driving voltage, so that the plural LED strings are driven by the filtered DC driving voltage. | 06-30-2011 |
| 20110156592 | END OF LAMP LIFE PROTECTION CIRCUIT WITH BI-LEVEL DETECTIONS FOR THE ELECTRONIC BALLAST AND METHOD THEREOF - The configurations of an end of lamp life protection circuit for a ballast and a method thereof are provided in the present invention. The proposed circuit includes a voltage-dividing circuit receiving an input voltage and outputting a first and a second divided voltages and a switch apparatus raising the first divided voltage when the second divided voltage is less than a first pre-determined threshold value and turning off the ballast when the first divided voltage is higher than a second pre-determined threshold value. | 06-30-2011 |
| 20110156482 | UNINTERRUPTIBLE POWER SUPPLY HAVING INTEGRATED CHARGE/DISCHARGE CIRCUIT - An uninterruptible power supply includes an AC-to-DC converting circuit, an energy storage unit, a first path-switching circuit, a second path-switching circuit, an integrated charge/discharge circuit and an operating control unit. If the input voltage is abnormal, the input terminal and the output terminal of the integrated charge/discharge circuit are respectively connected to the energy storage unit and the power supply output terminal, so that electric energy stored in the energy storage unit is transmitted to the power supply output terminal through the integrated charge/discharge circuit. Whereas, if the input voltage is normal, the input terminal and the output terminal of the integrated charge/discharge circuit are respectively connected to the power supply output terminal and the energy storage unit, so that the energy storage unit is charged by the integrated charge/discharge circuit. | 06-30-2011 |
| 20110155723 | COIL FIXING MODULE AND INDUCTION COIL MODULE EMPLOYING THE SAME - A coil fixing module is provided for fixing a coil of an electromagnetic device. The coil fixing module includes a supporting member and a fastening member. The supporting member is used for supporting the coil. The fastening member is disposed on the supporting member for clamping the coil between the supporting member and the fastening member, so that the coil is fixed with respect to the supporting member. | 06-30-2011 |
| 20110155455 | TWO-WAY WIRING DEVICE - The configurations of a two way wiring device are provided in the present invention. The proposed .device includes a case having a first side, a second side opposite to the first side, a third side formed between the first side and the second side and an open bottom passing therethrough a first conducting wire, wherein the third side includes a first side segment, a second side segment and a middle segment located between the first and the second side segments, and a conducting wire guiding pathway formed on the case and the first conducting wire passing the pathway and wired out of the case through one of the first side segment and the second side segment. | 06-30-2011 |
| 20110155422 | WIRE INSULATING TERMINAL AND CIRCUIT BOARD MODULE EMPLOYING SAME - There is disclosed a wire insulating terminal which includes a wire insulating terminal member having an inner insulating wall and an outer insulating wall, and at least one conducting wire having a bared wire end. The inner insulating wall forms a perforation channel with a first opening and a second opening which are respectively disposed on the two opposite ends of the perforation channel to accommodate the at least one conducting wire with the bared wire end partially protruding out from the second opening. The outer insulating wall includes a first connecting member and a second connecting member which are configured to be corresponsive to and engageable with each other. | 06-30-2011 |
| 20110151765 | OPERATING CONDITION ADJUSTING SYSTEM AND METHOD OF PORTABLE DATA CENTER - An operating condition adjusting system includes a shipping container, plural computer cabinets, an airflow-guiding device, a controlling unit and a first sensor. The shipping container includes a first gate and a second gate. The plural computer cabinets are accommodated within the shipping container. A first airflow is introduced into the computer cabinets to remove a portion of heat of the computer cabinets, and a second airflow is exhausted from the computer cabinets. The airflow-guiding device is used for guiding the first airflow to flow toward the computer cabinets. The controlling unit is used for controlling the first gate and the second gate. The first sensor is electrically connected with the controlling unit for detecting a first temperature of an external environment. By comparing the first temperature with a second temperature, the first gate and the second gate are opened or closed under control of the controlling unit. | 06-23-2011 |
| 20110148395 | OVER-VOLTAGE AND OVER-TEMPERATURE DETECTING CIRCUIT - An over-voltage and over-temperature detecting circuit includes a voltage-limiting circuit, a temperature sensing circuit, a current source, a first comparing circuit and a second comparing circuit. The equivalent resistance of the temperature sensing circuit varies with the temperature. The current source provides a first current to a detecting terminal, so that a detecting voltage is generated at the detecting terminal. By comparing the magnitude of the detecting voltage with the first reference voltage value, the first comparing circuit generates a corresponding temperature status signal. By comparing the magnitude of the detecting voltage with the second reference voltage value, the second comparing circuit generates a corresponding voltage status signal. If the temperature exceeds the temperature upper limit, the temperature status signal is in an enabling status. If the first voltage exceeds the voltage upper limit, the voltage status signal is in an enabling status. | 06-23-2011 |
| 20110148194 | HIGH VOLTAGE DIRECT CURRENT UNINTERRUPTIBLE POWER SUPPLY SYSTEM WITH MULTIPLE INPUT POWER SOURCES - The invention discloses a high-voltage direct-current uninterruptible power supply system configured to be connected to a plurality of power sources. The uninterruptible power supply system according to the invention includes a plurality of power modules, each of which is connected to a power source for receiving an input power from the power source connected thereto and converting the input power into a direct-current output power, a control module connected to the power modules through communication lines for managing the power modules, and a power distribution unit connected to a DC voltage bus for relaying the direct-current output power to a plurality of electronic devices. | 06-23-2011 |
| 20110146964 | AIR CONDITIONING SYSTEM OF PORTABLE DATA CENTER - An air conditioning system of a portable data center includes a shipping container, plural data-processing devices and plural airflow-driving devices. The shipping container includes a partition plate and a bottom plate. The partition plate has plural hollow portions. The data-processing devices are disposed on the partition plate. The airflow-driving devices are disposed under the partition plate and aligned with respective hollow portions for driving and guiding airflow to cool the data processing devices. Each of the airflow-driving devices includes at least one fan and an airflow-blocking structure. The airflow-blocking structure is arranged in an airflow path of a corresponding airflow-driving device. If one of the airflow-driving devices is disabled, the airflow-blocking structure of the disabled airflow-driving device is automatically closed to hinder the airflow path. | 06-23-2011 |
| 20110144842 | DC-TO-DC CONVERTING APPARATUS WITH COMMUNICATION FUNCTION FOR VEHICLE - A DC-to-DC converting apparatus with communication function for a vehicle is applied to an electric vehicle or a hybrid vehicle. The electric vehicle or the hybrid vehicle includes a vehicle control system. The DC-to-DC converting apparatus with communication function for a vehicle includes a DC-to-DC converter, a control circuit is electrically connected to the DC-to-DC converter, and a system communication interface is electrically connected to the control circuit and the vehicle control system. The working status of the DC-to-DC converter is detected by the control circuit and is informed to the vehicle control system through the system communication interface. The control circuit is controlled to control the DC-to-DC converter by the vehicle control system through the system communication interface. | 06-16-2011 |
| 20110143560 | SOCKET DEVICE COMPRISING GROUNDING STRUCTURE, APPLICATION OF SOCKET DEVICE AND MANUFACTURING METHOD THEREOF - The present invention relates to a socket device comprising grounding structure, application of the socket device and manufacturing method thereof. The socket device comprises a base, a socket structure and a grounding structure. The base comprises a substrate and a sidewall adjacent thereto, and the substrate comprises a first lateral and a second lateral corresponded to each other. The socket structure is disposed on the sidewall of the base. The grounding structure is disposed on the substrate of the base and comprises a grounding element, a fixing element, a grounding wire, and an insulating plate. The grounding element comprises first and second terminals, wherein the first terminal is protruded from the first lateral of the substrate. The fixing element is substantially disposed on the second lateral of the substrate and connected to the second terminal of the grounding element, so as to fix the grounding element to the substrate. The grounding wire is connected to the fixing element by a first conductive end thereof. The insulating plate is substantially disposed on the second lateral of the substrate and covers the second terminal of the grounding element, the fixing element and the first conductive end of the grounding wire, wherein the grounding wire is piercing through and protruded relative from the insulating plate for grounding. | 06-16-2011 |
| 20110140823 | TRANSFORMER MODULE - A transformer module includes at least one first casing, at least one second casing and at least one transformer. The first casing has a first receptacle. A protrusion structure is formed on an inner wall of the first receptacle. The second casing is accommodated within the first receptacle. The second casing includes plural winding terminals and a second receptacle. An angle of at least one outer-corner of the second casing is non-right angle so that the protrusion structure and the outer-corner define foolproof structures for limiting the install direction of the second case. The transformer is accommodated within the second receptacle. The transformer includes a magnetic core and at least one coil wound on the magnetic core. Both terminals of the coil are connected to respective winding terminals. | 06-16-2011 |
| 20110140519 | POWER SUPPLY WITH REDUCED POWER CONSUMPTION AND COMPUTER HAVING SUCH POWER SUPPLY - A power supply is used in a computer. The power supply includes a main power circuit, an auxiliary power circuit and a switching circuit. The main power circuit has a first main output terminal for outputting a first operating DC voltage. The auxiliary power circuit has an auxiliary output terminal connected to a standby circuit of the computer for outputting a standby DC voltage. The switching circuit is interconnected between the first main output terminal and the auxiliary output terminal. When the computer is in a power-off state, the switching circuit is shut off, and the standby circuit is powered by the standby DC voltage. When the computer is in a power-on state, the switching circuit is conducted, and the first operating DC voltage is transmitted to the standby circuit through the first main output terminal and the switching circuit so as to power the standby circuit. | 06-16-2011 |
| 20110127833 | POWER SUPPLY UNIT PROVIDED WITH AC/DC INPUT VOLTAGE DETECTION AND POWER SUPPLY SYSTEM INCORPORATING SAME - Disclosed is a power supply unit provided with AC/DC voltage detection and a power supply system incorporating such power supply unit. The power control unit of the power supply unit can manipulate the first stage power circuit and the bypass switch thereof according to the form and magnitude of the first voltage which is inputted to the power supply unit in order to boost the overall operating efficiency. When the inventive power supply unit is applied to a high-level DC power supply system, the problem that the power supply unit can not output a rated output voltage due to an insufficient DC first voltage can be avoided. | 06-02-2011 |
| 20110124218 | POWER CONNECTOR AND POWER CONNECTOR ASSEMBLY - A power connector includes a main body, a first conductive terminal, a second conductive terminal, a third conductive terminal, and an insulating separation member. The first conductive terminal, the second conductive terminal and the third conductive terminal are disposed within the main body and arranged in a non-parallel manner. The insulating separation member is disposed within the main body, and arranged between the first conductive terminal, the second conductive terminal and the third conductive terminal for separating at least two of the first conductive terminal, the second conductive terminal and the third conductive terminal from each other. | 05-26-2011 |
| 20110122668 | CAPACITOR ENERGY RELEASE CIRCUIT WITH REDUCED POWER CONSUMPTION AND POWER SUPPLY HAVING THE SAME - A power source includes a power input terminal, a filtering unit, a main circuit and a capacitor energy release circuit. The power input terminal receives an AC voltage. The filtering unit is connected to the power input terminal for filtering off noise contained in the AC voltage. The main circuit is connected to the filtering unit and a load. The AC voltage is filtered by the filtering unit and converted into an output DC voltage by the main circuit, and the output DC voltage is transmitted to the load. The capacitor energy release circuit is connected to the power input terminal, the filtering unit and a common terminal for detecting whether the AC voltage is received by the power input terminal. When the AC voltage is not received by the power input terminal, electric energy stored in the filtering unit is discharged. | 05-26-2011 |
| 20110122663 | POWER SUPPLY WITH ARC FLASH PROTECTION MECHANISM AND DATA-PROCESSING SYSTEM EMPLOYING SAME - A power supply with arc flash protection mechanism for providing power to a load is disclosed. The power supply comprises a first power connector including a plurality of power terminals and a first detecting terminal, a power conversion circuit, a control unit and a connection status detection circuit. The power terminals of the first power connector are configured to couple with a plurality of power terminals of a second power connector, and the first detecting terminal is configured to couple with a second detecting terminal of the second power connector and provide a detecting signal indicative of whether the second power connector is being disconnected with the first power connector. When the first detecting terminal is disconnected with the second detecting terminal, a power connection status signal of the connection status detection circuit is under disable status and the control unit controls the power conversion circuit not to generate or output the output voltage to the load. | 05-26-2011 |
| 20110121935 | COMPOSITE MAGNETIC CORE ASSEMBLY, MAGNETIC ELEMENT AND FABRICATING METHOD THEREOF - A composite magnetic core assembly includes an inner magnetic core and an outer magnetic core. The inner magnetic core is made of a high saturation flux density and low permeability material. The outer magnetic core is made of a low saturation flux density and high permeability material. The outer magnetic core includes a ring-shaped wall and a receptacle. The inner magnetic core is accommodated within the receptacle. | 05-26-2011 |
| 20110121662 | POWER SUPPLY AND POWER SUPPLYING SYSTEM WITH REMOTE POWER MANAGEMENT FUNCTION - The power supply includes a first power connector, a power conversion circuit, a control unit and a detection circuit. The first power connector includes a plurality of power terminals and a first detecting terminal. The power conversion circuit is coupled to the power terminals of the first power connector for converting an input voltage into an output voltage. The control unit is coupled to the power conversion circuit for controlling an operation of the power conversion circuit. The detection circuit is coupled to the control unit and the first detecting terminal of the first power connector for detecting if the first detecting terminal is connected or disconnected with a predetermined voltage terminal and correspondingly generating a power transmission status signal to the control unit. When the detection circuit detects the first detecting terminal is disconnected with the predetermined voltage terminal, the power transmission status signal is under a disabled status and the control unit controls the power conversion circuit not to generate or output the output voltage to the load according to the power transmission status signal. | 05-26-2011 |
| 20110116292 | INTEGRATED MULTI-INDUCTOR MAGNETIC MEMBER AND MULTI-LOOP POWER FACTOR CORRECTION CIRCUIT HAVING SAME - A multi-loop power factor correction circuit includes a first rectifier circuit, an integrated multi-inductor magnetic member, plural switching circuits, plural rectifying elements, and a power factor correction controlling circuit. The integrated multi-inductor magnetic member includes a first slab, a second slab, a middle post, plural lateral posts, and plural winding coil assemblies. The winding coil assemblies are wound around respective lateral posts to form at least a first inductor and a second inductor. The magnetic flux cross-section area of the middle post is smaller than the sum of the magnetic flux cross-section areas of the lateral posts. The switching circuits are alternately conducted, so that the distribution of an input AC current is similar to the waveform of the input AC voltage. | 05-19-2011 |
| 20110115600 | MAGNETIC CORE AND TRANSFORMER HAVING THE SAME - A magnetic core is disclosed. The magnetic core comprises a first side post with a first inner wall, a second side post opposite to the first side post with a second inner wall, an annular space enclosed by the first inner wall and the second inner wall, a central post with a second axis, and a core base connected with the first post, the second post, and the central post. The annular space comprises a first axis, a first opening, and a second opening. The first opening and the second opening are oppositely and respectively formed between the first side post and the second side post. The second axis of the central post in the annular space is disposed between the first axis and one of the first opening and the second opening. | 05-19-2011 |
| 20110115598 | BOBBIN STRUCTURE AND TRANSFORMER HAVING THE SAME - A bobbin structure is disclosed. The bobbin structure comprises plural modular bobbin members each connected with each other. Each modular bobbin member comprises a perforation channel, a first baffle disposed on one end of the perforation channel and placed perpendicularly to the perforation channel, and a second baffle disposed on the other end of the perforation channel and placed oppositely to the first baffle. The first baffle has a first connecting member, and the second baffle has a second connecting member. A first winding slot is disposed between the first baffle and the second baffle. The bobbin structure is formed by the engagement between the first connecting member of one modular bobbin member and the second connecting member of another connected one, wherein a second winding slot is formed between two connected modular bobbin members. | 05-19-2011 |
| 20110115596 | CURRENT TRANSFORMER - A current transformer includes a bobbin, a primary winding coil, a conductive pillar, a magnetic core assembly, and a covering member. The bobbin includes a bobbin body and a concave structure. The primary winding coil is wound around the bobbin body. The conductive pillar is partially accommodated within the concave structure. The magnetic core assembly includes a first magnetic core and a second magnetic core. The first magnetic core and the second magnetic core are partially embedded into the channel. The concave structure is partially enclosed by the second magnetic core. The covering member cooperates with the concave structure to shield the conductive pillar. The conductive pillar and the second magnetic core are separated from each other by the covering member, so that a creepage distance between the conductive pillar and the primary winding coil and a creepage distance between the conductive pillar and the magnetic core assembly are increased. | 05-19-2011 |
| 20110115595 | TRANSFORMER - A transformer includes a covering member, a bobbin, a primary winding coil, plural secondary winding coils, and a magnetic core assembly. The covering member includes plural pins. The bobbin is combined with the covering member, and includes a bobbin body and a channel. A first winding section and plural single-trough second winding sections are defined on the bobbin body. The single-trough second winding sections are arranged at bilateral sides of the first winding section. The channel runs through the bobbin body. The primary winding coil is wound around the first winding section of the bobbin, and connected with the pins. The secondary winding coils are wound around respective single-trough second winding sections of the bobbin. The magnetic core assembly is partially embedded into the channel of the bobbin. | 05-19-2011 |
| 20110115594 | MAGNETIC ELEMENT, FABRICATING PROCESS THEREOF, AND ASSEMBLY OF MAGNETIC ELEMENT AND CIRCUIT CARRIER - A magnetic element includes a bobbin, a pin pedestal, and a coil. The bobbin includes a connecting base with at least one first wire-arranging groove. The pin pedestal is connected to the connecting base, and includes a pedestal body and at least one pin. The pin is disposed on the pedestal body. The coil is wound around the bobbin, and has an outlet part. The outlet part is penetrated through the first wire-arranging groove, moved across the pedestal body and fixed on the pin. | 05-19-2011 |
| 20110115593 | TRANSFORMER AND METHOD OF MAKING THE SAME - A transformer and a method of manufacturing the same are disclosed. The transformer comprises a magnetic core, a winding coil with a primary winding coil and a secondary winding coil, a bobbin with a primary input port and a bobbin connecting member, and an insulating slipcase. The bobbin is mounted by the winding coil. The insulating slipcase includes a first opening to receive the magnetic core, the winding coil and the bobbin, and includes a first side wall, a second side wall with a slipcase connecting member which is engaged with the bobbin connecting member, and a secondary output port for dealing with the output of the transformer. The first side wall is opposite to the first opening and has a second opening for the output of the secondary winding coil. | 05-19-2011 |
| 20110108546 | INTELLIGENT HEATER AND TEMPERATURE MEASURING DEVICE - An intelligent heater includes a first induction coil, a control panel, a power supply unit, a storage unit, a data transmission interface, and a controlling unit. The control panel includes an input unit for inputting, adding, amending, deleting or refreshing a cooking data and a display unit for showing an operating condition of the intelligent heater. The power supply unit is connected with the first induction coil for providing a first power to the first induction coil. The storage unit is used for storing the cooking data. The data transmission interface is used for transmitting the cooking data. The controlling unit is used for controlling the power supply unit to provide an electricity quantity of the first power to the first induction coil according to the cooking data, so that a heat quantity and a heating time required for heating a first foodstuff container are adaptively adjusted. | 05-12-2011 |
| 20110107122 | POWER SUPPLY AND POWER SUPPLY SYSTEM INCORPORATING A PLURALITY OF POWER SUPPLIES - Disclosed is a power supply for receiving an input voltage and generating an output voltage and an output current, which includes a power converter for receiving the input voltage and generating an intermediate output voltage, an output protection circuit connected to an output terminal of the power converter and including a plurality of switch circuits connected in parallel with each other. The output protection circuit is configured to limit the flowing direction of the output current by the switching operations of the switch circuits. The power supply further includes a control unit connected to the output protection circuit for issuing a plurality of control signals to the switch circuits, in which at least two of the control signals are set to allow at least two of the switch circuits to be turned off with different timings. | 05-05-2011 |
| 20110107121 | POWER SUPPLY AND COMPUTER HAVING EXTERNAL POWER SOURCE - A power supply having an external power source, for receiving a power energy of an input voltage and converting to an external power source and an internal power source which is used in a computer, is disclosed. The power supply includes a body, a power converting module disposed inside the body for receiving the power energy of the input voltage and converting to the external power source and the internal power source, a power input device connected to a power input terminal of the power converting module for transferring the input voltage to the powering converting module, an internal power output device connected to an internal power output terminal of the power converting module and a motherboard of the computer, and an external power output device having one end connected to an external power output terminal of the power converting module and having the other end connected to a computer body of the computer or outside of the body, for transferring the external power source to a portable electronic apparatus. | 05-05-2011 |
| 20110103112 | CURRENT SENSING SIGNAL COMPARING DEVICE, AND CURRENT SENSING SIGNAL COMPARING METHOD - Provided is a current sensing signal comparing device and current sensing signal comparing method. The invention includes a current sensing circuit for detecting a current signal of a switching circuit and thereby generating a current sensing signal, a control unit for outputting a control signal, and a compensating circuit for compensating the current sensing signal according to the control signal. The compensated current sensing signal is compared with a constant current reference signal in order to issue a constant current control signal. The other aspect of the invention is provided to configure the compensating circuit to compensate the constant current reference signal, such that the current sensing signal is compared with the compensated constant current reference signal in order to issue a constant current control signal. | 05-05-2011 |
| 20110103098 | METHOD AND APPARATUS FOR RESETTING A RESONANT CONVERTER - An approach is provided for limiting or eliminating residual energy in a resonant network before restarting a resonant converter including the resonant network. An energy resetting module is configured to the resonant converter for limiting a peak current occurring in a switching circuit of the resonant converter by resetting energy remaining in a resonant circuit of the resonant converter after the resonant converter is turned off. | 05-05-2011 |
| 20110103097 | METHOD AND APPARATUS FOR REGULATING GAIN WITHIN A RESONANT CONVERTER - An approach is provided for controlling a direct current gain of a resonant converter to increase power efficiency within a circuit. A phase shift module is configured to the resonant converter for generating a first control signal to control a primary driver of the resonant converter and a secondary control signal to control a secondary driver of the resonant converter. The first control signal and the second control signal has a phase shift for controlling a DC gain of the resonant converter. | 05-05-2011 |
| 20110102951 | POWER SUPPLY AND THE CONTROL METHOD FOR CONTROLLING THE SAME AND POWER SUPPLY SYSTEM INCORPORATING SUCH POWER SUPPLIES - Disclosed is a power supply and a power supply system using such power supply. The inventive power supply includes a power converter for converting an input voltage into an intermediate output voltage, an output protection circuit connected to an output terminal of the power converter and an output terminal of the power supply for protecting the power converter by its ON/OFF operations, and a control unit connected to the output protection circuit for controlling the output protection circuit. When an operating frequency of the power converter is higher than a first reference frequency and the intermediate output voltage is higher than a first reference voltage, the control unit outputs a first control signal to a control terminal of the output protection circuit to turn off the output protection circuit. | 05-05-2011 |
| 20110102119 | RESONANT TRANSFORMER - A resonant transformer includes a bobbin, a primary winding coil, plural secondary winding coils, and a magnetic core assembly. The bobbin includes a main body and a channel running through the main body. The main body includes a first winding section and plural single-trough second winding sections. Plural pins are arranged at the first winding section. The single-trough second winding sections are arranged at bilateral sides of the first winding section. The primary winding coil is wound around the first winding section of the bobbin and connected with the pins. The secondary winding coils are wound around respective single-trough second winding sections of the bobbin. The magnetic core assembly is partially embedded into the channel of the bobbin. | 05-05-2011 |
| 20110095739 | SEPARATE TYPE CONVERTER HAVING RELATIVELY BETTER EFFECTIVENESS - A separate type converter is provided. The separate type converter includes a power control module having a power control circuit generating a first control signal, and a power stage module having a power stage circuit coupled to the power control circuit for receiving the first control signal and an input voltage, and generating an output voltage, in which the power control module and the power stage module are separate from each other in an assembling structure. | 04-28-2011 |
| 20110090037 | TRANSFORMER STRUCTURE - A transformer includes a bobbin, a primary winding coil, a secondary winding coil, a cover member and a magnetic core assembly. The bobbin includes a main body and a channel running through the main body. The main body includes a first winding section, a second winding section and a first coupling part. The primary winding coil is wound around the first winding section of the main body of the bobbin. The secondary winding coil is wound around the second winding section of the main body of the bobbin. The cover member is placed over the bobbin for partially sheltering the bobbin. The cover member has a second coupling part corresponding to the first coupling part. The magnetic core assembly is partially accommodated within the channel of the bobbin. | 04-21-2011 |
| 20110080693 | POWER DISTRIBUTION UNIT FOR RECEIVING DIVERSIFIED THREE-PHASE POWER OR SINGLE-PHASE POWER - A power distribution unit is provided for receiving diversified three-phase power or single-phase power. The power distribution unit includes a separable power cord and a separable wiring block. The separable power cord is used for receiving electric energy of input power. The separable wiring block is electrically connected with the power cord for providing at least one connection configuration. The connection configuration provided by one side of the wiring block comprises a delta configuration, a Y configuration or a parallel configuration. | 04-07-2011 |
| 20110070481 | PROTECTIVE MATERIAL AND ENERGY STORAGE MODULE USING THE SAME - The present invention provides a protective material, which includes an acidic material and an absorbent additive. An alkaline electrolyte will be neutralized by the acidic material, and water produced from the neutralization reaction of the acidic material and the alkaline electrolyte will be absorbed by the absorbent additive. In addition, the present invention also discloses an energy storage module using the same. | 03-24-2011 |
| 20110067922 | MODULAR POWER CONNECTOR - A modular power connector includes an insulation main body, at least one conducting element, at least one electricity-delivering element, and at least one engaging element. The conducting element is partially accommodated within the insulation main body, and includes a perforation. The electricity-delivering element has a bare part at an end thereof. The engaging element is fixed on the bare part of the electricity-delivering element, and includes an elastic extension part and a stopping part. The elastic extension part is subject to elastic deformation during the elastic extension part is penetrated through the perforation of the conducting element. The elastic extension part is restored to an original shape after the elastic extension part is penetrated through the perforation, so that the conducting element is clamped between the elastic extension part and the stopping part. | 03-24-2011 |
| 20110051464 | Compensation Device For Synchronous Rectifier Control And Method Thereof - The configurations of a compensation device configured in a circuit having a synchronous rectifier (SR), a controller and a load, and a compensation method thereof are provided in the present invention. In the proposed circuit, the SR includes a first terminal, a first inductor electrically connected to the first terminal in series, a second terminal and a second inductor electrically connected to the second terminal in series, the controller is coupled to the first and the second inductors, and the device includes a voltage source having a positive terminal coupled to the controller and a negative terminal coupled to the second inductor and providing a compensation voltage to reduce or eliminate the influence of the first and the second inductors towards a voltage value across the first and the second terminals. | 03-03-2011 |
| 20110050217 | MAGNETIC FLUX DETECTION APPARATUS - A magnetic flux detection apparatus and a system with the magnetic flux detection apparatus are provided. The magnetic flux detection apparatus includes the magnetic material, at least one heated or cooled magneto caloric effect material (MCEM), a permanent magnetic element, at least one magnetic sensing element, and at least one amount of magnetic flux or magnetic flux path. The heated or cooled magneto caloric effect material is disposed to the magnetic material. The amount of magnetic flux or magnetic flux path is formed and passing through the permanent magnetic element, the cooled magneto caloric effect material, and the first portion of the magnetic material. A magnetic sensing element senses the amount of the magnetic flux or the magnetic flux path for outputting a sensing voltage and a corresponding sensing voltage value so as to apply the best thermal energy-applying algorithm into the magnetic system to output power efficiently. | 03-03-2011 |
| 20110048032 | HEAT-POWER CONVERSION MAGNETISM DEVICE AND SYSTEM FOR CONVERTING ENERGY THEREBY - The invention discloses a heat-power conversion magnetism device. The heat-power conversion magnetism device includes a magneto caloric effect material so that the magnetic field thereof can be changed according to a temperature difference. The heat-power conversion magnetism device is rotated by changing the magnetic field of the magneto caloric effect material. A system for converting energy by use of the heat-power conversion magnetism device is also disclosed. | 03-03-2011 |
| 20110039435 | ELECTRONIC DEVICE WITH DETACHABLE PLUG CAPABLE OF CHANGING PLUGGING DIRECTION - An electronic device with a detachable plug capable of changing plugging direction is disclosed. The electronic device comprises a main body and a plug. The main body has a plug-receiving portion, and the plug-receiving portion comprises at least two conducting pieces. The plug has a plug body and at least two conductive terminals. The plug body comprises four trenches disposed at a bottom thereof and arranged as a square. Each of the conductive terminals comprises a plugging portion, a connection portion and an extension portion, wherein the plugging portion is protruded out of a surface of the plug body, and the connection portion and the extension portion are embedded in the plug body and are corresponding to two adjacent trenches, respectively. Thereby, when the plug is assembled on the plug-receiving portion of the main body, the two conducting pieces are respectively received in two opposite trenches and contacted with either the two connection portions or the two extension portions of the two conductive terminals for power conduction. | 02-17-2011 |
| 20110038182 | POWER CONVERTER HAVING SYNCHRONOUS RECTIFIER AND CONTROL METHOD OF SYNCHRONOUS RECTIFIER - Disclosed is a power converter including a switching circuit; a transformer having a primary winding connected to the switching circuit and a secondary winding; a main control circuit connected to the switching circuit for outputting a main control signal to manipulate the switching circuit; at least one synchronous rectifier connected to the secondary winding; at least one current transformer connected to the synchronous rectifier for outputting a detecting signal according to a current flowing through the synchronous rectifier; and at least one synchronous rectification control circuit connected to a control terminal of the synchronous rectifier, the current transformer, and a control terminal of the switching circuit for receiving the detecting signal and the main control signal for manipulating the synchronous rectifier. In case that the main control circuit manipulates the switching circuit to turn on, the synchronous rectification control circuit manipulates the synchronous rectifier to turn on, and thereby allowing the synchronous rectification control circuit to manipulate the synchronous rectifier to turn off according to the detecting signal. | 02-17-2011 |
| 20110038181 | RESONANT CONVERTER HAVING OVER-CURRENT PROTECTION APPARATUS AND CONTROLLING METHOD THEREOF - The configurations of a DC/DC resonant converter and a controlling method thereof are provided. The proposed converter includes an over-current protection apparatus including a first switch element having a first and a second terminals, and a first voltage element having a negative terminal coupled to a positive terminal of a DC input voltage source and a positive terminal coupled to the second terminal of the first switch element. | 02-17-2011 |
| 20110034071 | SOCKET STRUCTURE AND ELECTRONIC DEVICE HAVING THE SAME - A socket structure, which can be applied to an electronic device, is disclosed. The socket structure comprises a socket body and a holder unit. The socket body further comprises two opposite ends to transport power, a first connecting device and a second connecting device; the holder unit further comprises a third connecting device and a fourth connecting device. The first connecting device is engaged with the third connecting device and the second connecting device is engaged with the fourth connecting device so that the socket structure is formed and the socket body can be secured to the electronic device. | 02-10-2011 |
| 20110032683 | POWER MODULE AND CIRCUIT BOARD ASSEMBLY THEREOF - A power module includes a first bobbin, a primary winding coil, a circuit board assembly and a first magnetic core assembly. The primary winding coil is wound around the first bobbin. The circuit board assembly includes a printed circuit board, a second winding structure, at least one current-sensing element, a rectifier circuit and an electrical connector. The second winding structure has an output terminal. The current-sensing element includes a first conductor. The first conductor is a conductive sheet. A first end of the first conductor is in contact with the output terminal of the second winding structure. A second end of the first conductor is connected to the rectifier circuit. The primary winding coil is aligned with the second winding structure of the circuit board assembly and arranged within the first magnetic core assembly. The primary winding coil and the electrical connector are electrically connected with a system board. | 02-10-2011 |
| 20110026275 | VOLTAGE-REGULATING CIRCUIT WITH INPUT VOLTAGE DETECTING CIRCUIT AND PARALLEL VOLTAGE-REGULATING CIRCUIT SYSTEM USING THE SAME - A voltage-regulating circuit according to the present invention includes a power conversion circuit, an input voltage detecting circuit and a feedback circuit. The power conversion circuit includes at least one switch element, wherein during operation of the at least one switch element, an input voltage is converted into a transition voltage. The input voltage detecting circuit is connected to the power conversion circuit for outputting a detected voltage signal corresponding to the input voltage. The feedback circuit is connected to the power conversion circuit and the input voltage detecting circuit for generating a feedback control signal. In such way, as the input voltage is changed, the feedback circuit will adjust to make the transition voltage changed as with the change of the detected voltage signal corresponding to the input voltage. | 02-03-2011 |
| 20110025445 | MAGNETIC ELEMENT MODULE - A magnetic element module includes a magnetic core assembly and at least one first winding structure. The magnetic core assembly includes a first magnetic core and a second magnetic core. The first magnetic core includes a first magnetic slab and a first magnetic post. The second magnetic core includes a second magnetic slab and a second magnetic post. The first winding structure is sheathed around the first magnetic post. The first magnetic post is placed on a second edge of the second magnetic slab. The second magnetic post is placed on a first edge of the first magnetic slab. The first magnetic core, the second magnetic core and the first winding structure are combined together, thereby producing the magnetic element module. | 02-03-2011 |
| 20110025441 | INDUCTOR AND BASE THEREOF - An inductor includes a base and a winding assembly. The base includes an outer frame, a middle part and a connecting part. The outer frame has a first upper surface. The middle part has a second upper surface. The connecting part is connected with the outer frame and the middle part and has a third upper surface. The connecting part, the outer frame and the middle part collectively define a receptacle. The winding assembly is accommodated within the receptacle. The second upper surface of the middle part is disposed at a higher level with respect to the first upper surface of the outer frame. A first height is defined by the level difference between the second upper surface and the third upper surface. A second height of the winding assembly is smaller than the first height, so that a fourth upper surface of the winding assembly is disposed at a lower level with respect to the second upper surface after the winding assembly is accommodated within the receptacle. | 02-03-2011 |
| 20110025292 | METHOD AND APPARATUS FOR PROVIDING POWER CONVERSION WITH PARALLEL FUNCTION - An approach is provided for generating a plurality of output signals by a plurality of power modules in response to the respective temperature signals of said modules. Each of the power modules is arranged in parallel, each being configured to provide power conversion. Temperature signals representing temperatures of the plurality of power modules are shared among the plurality of power modules to attain a temperature balance. | 02-03-2011 |
| 20110025289 | TWO-STAGE SWITCHING POWER SUPPLY - A two-stage switching power supply includes a first-stage power circuit, a bus capacitor, a second-stage power circuit and a power control unit. The first-stage power circuit is connected to a power bus for receiving an input voltage, and includes a first switching circuit. The input voltage is converted into a bus voltage by alternately conducting and shutting off the first switching circuit. The second-stage power circuit is connected to the power bus for receiving the bus voltage, and includes a second switching circuit. The power control unit is used for controlling operations of the first switching circuit and the second switching circuit. The bus voltage is dynamically adjusted according to electricity consumption amount of the system circuit under control of the power control unit. An operating mode of the second switching circuit of the second-stage power circuit is changed according to the electricity consumption amount of the system circuit. | 02-03-2011 |
| 20110013436 | BRIDGELESS PFC CIRCUIT SYSTEM HAVING CURRENT SENSING CIRCUIT AND CONTROLLING METHOD THEREOF - The configurations of a bridgeless PFC circuit system and a controlling method thereof are provided. The proposed system includes a bridgeless PFC circuit including a first bridge arm having a first and a second terminals and a first middle point, a second bridge arm having a first and a second terminals and a second middle point, and a bidirectional switch coupled between the first middle point and the second middle point, and an inductor coupled between the first middle point and an AC power source coupled to the second middle point, and a current sensing circuit including a first current transformer sensing a first current flowing through the bidirectional switch, which having a primary side winding coupled to the bidirectional switch and a first and a second secondary side windings, and a switching device coupled to the two secondary side windings. | 01-20-2011 |
| 20110013431 | SWITCHING POWER CONVERSION CIRCUIT AND POWER SYPPLY USING SAME - A switching power conversion circuit receives an input voltage and generates an output voltage to a system circuit. The switching power conversion circuit includes a power circuit, a feedback circuit, a control circuit, and an initiation circuit. The power circuit includes a first switch circuit. The feedback circuit generates a feedback signal according to a power-status signal and the output voltage. The first switching circuit is conducted or shut off according to the feedback signal under control of the control circuit, so that the input voltage is converted into the output voltage and the first auxiliary voltage by the power circuit. If the power-status signal is in an off status, a ratio of the feedback signal to the output voltage is equal to a first feedback ratio and the magnitude of the first auxiliary voltage is lower than a normal operating voltage value, so that the control circuit is disabled. | 01-20-2011 |
| 20110007527 | MULTI-PHASE SWITCHING POWER CONVERSION CIRCUIT - A multi-phase switching power conversion circuit has at least three phases and includes a plurality of switching circuits, a plurality of transformers, a plurality of output rectifier circuits, a resonant network and a control circuit. The resonant network includes a plurality of symmetrical terminals and a plurality of phase branches, which are connected in a multi-phase symmetrical relationship. Each of the symmetrical terminals is connected to the output side of respective switching circuits. The phase branches are connected to a resonant common terminal such that the phase branches are in a star connection. The resonant common terminal is different from the positive terminal and the first reference terminal of the input voltage source. The control circuit is connected to an output terminal of the multi-phase switching power conversion circuit and a plurality of the control terminals of the plurality of switching circuits. The switching circuits are conducted or shut off according to the output voltage under control of the control circuit, so that the electrical energy of the input voltage source is selectively transmitted to the resonant network. | 01-13-2011 |
| 20110007282 | PROJECTION APPARATUS AND METHOD FOR ADJUSTING A DRIVING VOLTAGE OF THE PROJECTION APPARATUS - A projection apparatus and a method for adjusting a driving voltage of the projection apparatus are provided. The projection apparatus comprises an illuminant module, an output voltage control module, an illuminant driver module, and an illuminant driver management module. The output voltage control module is configured to output a driving voltage. The illuminant driver module is configured to output an illuminant voltage to the illuminant module after receiving the driving voltage. The illuminant driver management module is configured to receive the illuminant voltage and to detect a variation in the illuminant voltage. Then, the illuminant driver management module outputs a control signal to the output voltage control module according to the variation of the illuminant voltage. Finally, the output voltage control module adjusts the driving voltage according to the control signal. | 01-13-2011 |
| 20110006748 | SYSTEM AND METHOD FOR LIMITING INPUT-CURRENT SURGE IN A SWITCHING MODE POWER SUPPLY - A power supply comprises an input voltage detector that detects a drop in input voltage that corresponds to an input voltage loss. A power converter is coupled to the input voltage detector. The power converter, which may be a boost converter or a power factor correction converter, has a switching device that is actuated in accordance with a duty cycle. A duty cycle adjuster is responsive to detection of the drop in the input voltage to adjust the duty cycle of the switching device in order to limit an input current surge through the switching device below a desired level after the input voltage returns. | 01-13-2011 |
| 20110006605 | CURRENT-SHARING SUPPLY CIRCUIT FOR DRIVING MULTIPLE SETS OF DC LOADS - A current-sharing supply circuit is provided for driving a first set of main DC loads, a first set of minor DC loads, a second set of main DC loads and a second set of minor DC loads. The current-sharing supply circuit includes a current providing circuit, a first output rectifier circuit, a second output rectifier circuit, a first main current-sharing circuit and a second main current-sharing circuit. By adjusting an equivalent impedance value of the first main current-sharing circuit to be impedance matched with that of the first set of main DC loads and that of the first set of minor DC loads, respectively, and adjusting an equivalent impedance value of the second main current-sharing circuit to be impedance matched with that of the second set of main DC loads and that of the second set of minor DC loads, respectively, a first main output current, a first minor output current, a second main output current and a second minor output current passing through these DC loads are substantially identical. | 01-13-2011 |
| 20110006604 | CURRENT-SHARING SUPPLY CIRCUIT FOR DRIVING MULTIPLE SETS OF DC LOADS - A current-sharing supply circuit includes a current providing circuit, a first output rectifier circuit, a second output rectifier circuit, a first current-sharing transformer, a second current-sharing transformer, a first current-sharing circuit and a second current-sharing circuit. By adjusting the equivalent impedance values of the first current-sharing circuit, the second current-sharing circuit, the primary winding coil of the first current-sharing transformer and the primary winding coil of the second current-sharing transformer, the first output current and the second output current are substantially identical. | 01-13-2011 |
| 20110001590 | MAGNETIC ASSEMBLY AND FABRICATING METHOD THEREOF - A magnetic assembly includes a magnetic core, a circuit board and multiple conductive elements. The circuit board includes multiple conductive regions. The conductive elements stride over the magnetic core. Each of the conductive elements includes a first terminal, a second terminal and a connecting part. The connecting part is arranged between the first terminal and the second terminal for connecting the first terminal with the second terminal. The first terminal and the second terminal of each conductive element are respectively connected to two adjacent conductive regions. The multiple conductive elements and the multiple conductive regions collectively define multiple loops. The multiple loops interact with the magnetic core to generate inductance. | 01-06-2011 |
| 20110001495 | TEST APPARATUS AND METHOD FOR MEASURING COMMON-MODE CAPACITANCE - Disclosed is a test apparatus for measuring the common-mode parasitic capacitance between a first element and a second element being isolated from the first element. The test apparatus includes a signal generating device connected to the first element and having an internal signal source connected in series with a first internal impedance for sending a signal to the first element, and a signal receiving device connected between the second element and the first element and having a second internal impedance for measuring a signal response between the first element and the second element, thereby calculating the common-mode capacitance between the first element and the second element based on the signal response. | 01-06-2011 |
| 20100328918 | COMPOSITE STRUCTURE OF ELECTRONIC COMPONENT AND SUPPORTING MEMBER - A composite structure includes an electronic component and a supporting member. The electronic component includes a main body and a plurality of pins extended outwardly from the main body. The supporting member includes a first supporting part and a second supporting part. The first supporting part is foldable with respect to the second supporting part. The main body of the electronic component is accommodated within the first supporting part of the supporting member. The pins are accommodated with the second supporting part of the supporting member. The first supporting part is folded with respect to the second supporting part such that the pins are bent to define a bent structure. | 12-30-2010 |
| 20100321146 | COIL MODULE - A coil module comprises a circular core and a winding is provided. The circular core comprises an outer circular portion and an inner circular portion. The winding is wound around the outer circular portion in a single-layer configuration and around the inner circular portion in a multi-layer configuration. The coil module comprises a first thickness after the winding is wound around the outer circular portion and comprises a second thickness after the winding is wound around the inner circular portion, wherein the first thickness is greater than or equal to the second thickness. | 12-23-2010 |
| 20100320937 | POWER SUPPLY CIRCUIT FOR POWERING LIGHT EMITTING DIODE - A power supply circuit for receiving an input voltage and outputting a driving voltage to at least one LED string. The power supply circuit includes a rear-stage converting circuit and a control circuit. The rear-stage converting circuit is used for receiving the input voltage and converting the input voltage into a compensating voltage. The control circuit is connected to the rear-stage converting circuit and the LED string for detecting the magnitude of a current passing through the LED string, thereby controlling the current passing through the LED string to be identical. The driving voltage is outputted from the power supply circuit. The driving voltage is a summation of the input voltage and the compensating voltage. | 12-23-2010 |
| 20100315778 | AIRFLOW-ADJUSTABLE ACTIVE HEAT-DISSIPATING MECHANISM AND ELECTRONIC DEVICE HAVING SAME - An active heat-dissipating mechanism includes a fan module, an airflow-guiding part and an airflow shunt part. The fan module includes an airflow inlet and an airflow outlet. The airflow-guiding part is disposed at the same side of the airflow outlet of the fan module and in communication with the fan module. An airflow channel is defined by the airflow-guiding part. An airflow inhaled by the fan module is guided to a hotspot region of the electronic device through the airflow channel so as to remove the heat generated from the hotspot region. The airflow shunt part is formed on the airflow-guiding part. The airflow shunt part defines a stopping block in the airflow channel. A portion of the airflow is hindered by the stopping block and guided into a sub-hotspot region of the electronic device so as to remove the heat generated from the sub-hotspot region. | 12-16-2010 |
| 20100315725 | WIDE-ANGLE PROJECTION OPTICAL SYSTEM - A wide-angle projection optical system includes a first lens set with positive power, an aperture stop, a second lens set with positive power, a third lens set with negative power, and a negative power reflecting mirror. The first lens set provides optical characteristics to match with a light beam coming from the object side. The second lens set is arranged behind the aperture stop to converge the light beam. The third lens set is configured to diverge the light to enlarge a full field angle. The negative power reflecting mirror is configured to further enlarge the full field angle and correct image distortion. The first lens set, the second lens set, the third lens set and the reflecting mirror have a common optical axis. The optical axis is shifted with respect to a center of a micro display. | 12-16-2010 |
| 20100309437 | LED LIGHT SOURCE MODULE AND PROJECTION DEVICE COMPRISING THE SAME - A LED light source module and a projection device comprising the same are provided. The LED light source module comprises an optical element assembly, a LED assembly and a compartment structure. The compartment structure extends from at least one side edge of the LED assembly to at least one side edge of the optical element assembly, so that the LED assembly, the optical element assembly and the compartment structure form an enclosed space corporately. | 12-09-2010 |
| 20100308658 | UNINTERRUPTIBLE POWER SUPPLY APPARATUS - A method of controlling an uninterruptible power supply apparatus (UPS) is provided. The UPS apparatus includes at least an AC input voltage, a DC input voltage and a single-phase AC/AC converter. The single-phase AC/AC converter includes an AC inductor, a bus capacitor, a boost arm, a common arm and a buck arm. The method includes steps of: controlling the bus voltage to have a DC component and full-wave rectifying component, and setting a bus voltage parameter K so that the bus voltage approaches to a full-wave rectifying voltage when K approaches to 1, wherein 0≦K≦1. | 12-09-2010 |
| 20100301981 | COIL ASSEMBLY AND MAGNETIC ELEMENT WITH SHIELDING FUNCTION - A coil assembly includes at least one insulated wire and an electromagnetic interference shielding layer. The insulated wire is wound into a winding coil part. The winding coil part includes a first wire-outlet segment, a second wire-outlet segment and a central through-hole. The electromagnetic interference shielding layer is formed on the winding coil part for shielding the insulated wire. The electromagnetic interference shielding layer has lateral projection profile on the winding coil part. The electromagnetic interference shielding layer has a radial gap such that the electromagnetic interference shielding layer is a non-conducting loop. | 12-02-2010 |
| 20100289607 | TRANSFORMER STRUCTURE - A transformer includes a base, a magnetic core assembly and at least one winding coil assembly. The base includes a first receptacle and at least one first receiving recess. The magnetic core assembly includes a first magnetic part, a second magnetic part and a third magnetic part. The base is arranged between the first magnetic part and the second magnetic part. The first magnetic part has a first post accommodated within the first receptacle. The at least one winding coil assembly is disposed on the base. The third magnetic part is optionally accommodated within the first receiving recess, so that an air gap between the third magnetic part and the first magnetic part/the second magnetic part is adjustable. | 11-18-2010 |
| 20100270947 | CURRENT-SHARING SUPPLY CIRCUIT FOR DRIVING MULTIPLE SETS OF DC LOADS - A current-sharing supply circuit includes a current providing circuit, a current-sharing circuit, a first output rectifier circuit and a second output rectifier circuit. The current providing circuit receives an input voltage and generating a first current or a first voltage, thereby providing electrical energy to a first set of DC loads and a second set of DC loads. The first output rectifier circuit is interconnected between the first set of DC loads and a first output terminal of the current-sharing circuit, thereby generating a first output current to the first set of DC loads. The second output rectifier circuit is interconnected between the second set of DC loads and a second output terminal of the current-sharing circuit, thereby generating a second output current to the second set of DC loads. The first output current and the second output current are balanced by the current-sharing circuit. | 10-28-2010 |
| 20100270945 | CURRENT-SHARING TRANSFORMER AND POWER SUPPLY CIRCUIT HAVING SUCH CURRENT-SHARING TRANSFORMER - A current-sharing transformer includes a magnetic core assembly, a primary winding coil and multiple secondary winding coils. The magnetic core assembly includes a main magnetic post and multiple minor magnetic posts. The primary winding coil is wound around the main magnetic post. The secondary winding coils wound around respective minor magnetic posts. The secondary winding coils are connected to respective DC loads through respective rectifier circuits. The magnetic paths between respective minor magnetic posts and the main magnetic post are equal, so that the magnitudes of currents passing through the DC loads are balanced by the current-sharing transformer. | 10-28-2010 |
| 20100265029 | WINDING STRUCTURE FOR A TRANSFORMER AND WINDING - A winding structure adapted for a transformer and a winding are provided. The winding structure comprises a first conductive disk, a second conductive disk, a connecting part, and an insulation disk which is disposed between the first conductive disk and the second conductive disk. The first conductive disk has a first open circular portion and a first connection hole, the second conductive disk has a second open circular portion and a second connection hole and the isolation disk has a third connection hole. The first conductive disk, the second conductive disk and the insulation disk are combined by the connecting part through the first connection hole, the second connection hole and the third connection hole, and the first conductive disk is electrically connected with the second conductive disk therefore. | 10-21-2010 |
| 20100264893 | POWER SUPPLY APPARATUS AND POWER SUPPLY SYSTEM WITH MULTIPLE POWER SUPPLY APPARATUSES - A power supply apparatus includes a first output power circuit, a first output protection circuit, a first output capacitor, a first pre-charging circuit and a first power supply control circuit. The first output power circuit is used for generating a first internal output voltage. The first output protection circuit is connected to a power output terminal of the first output power circuit for limiting the current direction. The first pre-charging circuit is interconnected between a power input terminal and a power output terminal of the first output protection circuit for providing a first pre-charging path. When the first power-on signal is switched from a disabled status to an enabled status, a first pulse width modulation signal having a higher or the maximum duty cycle is transmitted from the first power supply control circuit to the control terminal of the first switching circuit, thereby enabling the first output power circuit. | 10-21-2010 |
| 20100259957 | BRIDGELESS PFC CIRCUIT FOR CRITICAL CONTINUOUS CURRENT MODE AND CONTROLLING METHOD THEREOF - The configurations of a bridgeless PFC circuit and a controlling method thereof are provided. The proposed circuit includes an AC power source, a first and a second bridge arms, each of which has a middle point, wherein the first terminal of the first bridge arm connects the first terminal of the second bridge arm, the second terminal of the first bridge arm connects the second terminal of the second bridge arm, and the middle point of the second bridge arm connects the second terminal of the AC power source, a bidirectional switch module connected to the two middle points, an inductor having a first terminal coupled to the AC power source and a second terminal coupled to the middle point of the first bridge arm and a sensing circuit magnetically coupled to the inductor. | 10-14-2010 |
| 20100255282 | HIGH TEMPERATURE RESISTANT INSULATING COMPOSITION, INSULATING WIRE AND MAGNETIC ELEMENT - A high temperature resistant insulating composition includes an organic polymer and an inorganic binder. The inorganic binder is ranged between 10% and 90% by weight of the high temperature resistant insulating composition. The high temperature resistant insulating composition still possesses strength and insulating property after a high temperature treatment. | 10-07-2010 |
| 20100253458 | TRANSFORMER HAVING LEAKAGE INDUCTANCE - A transformer includes a bobbin assembly, a primary winding coil, a first secondary winding coil, a second secondary winding coil, and a magnetic core assembly. The bobbin assembly includes a primary winding part, a first secondary winding part, a second secondary winding part and a channel. A first opening is formed in a bottom surface of the bobbin assembly and communicates with the channel. The primary winding coil is wound around the primary winding part. The first secondary winding coil is wound around the first secondary winding part. The second secondary winding coil is wound around the second secondary winding part. The magnetic core assembly is partially embedded into the channel of the bobbin assembly, and includes a first magnetic part and a second magnetic part. The second magnetic part includes a first extension post, and the first extension post is inserted into the first opening of the bobbin assembly. | 10-07-2010 |
| 20100253295 | SINGLE-PHASE AND THREE-PHASE DUAL BUCK-BOOST/BUCK POWER FACTOR CORRECTION CIRCUITS AND CONTROLLING METHOD THEREOF - The configurations of a single-phase dual buck-boost/buck power factor correction (PFC) circuit and a controlling method thereof are provided in the present invention. The proposed circuit includes a single-phase three-level buck-boost PFC circuit receiving an input voltage and having a first output terminal, a neutral-point and a second output terminal for outputting a first and a second output voltages, a single-phase three-level buck PFC circuit receiving the input voltage and coupled to the first output terminal, the neutral-point and the second output terminal, a first output capacitor coupled to the first output terminal and the neutral-point, a second output capacitor coupled to the neutral-point and the second output terminal, and a neutral line coupled to the neutral-point. | 10-07-2010 |
| 20100253234 | POWER SUPPLY HAVING AN AUXILIARY POWER STAGE FOR SUSTAINING SUFFICIENT POST IGNITION CURRENT IN A DC LAMP - The current invention provides a power supply that includes an igniter that generates an ignition voltage for igniting a DC lamp; an auxiliary power stage that outputs an auxiliary voltage for sustaining sufficient current in the DC lamp after the DC lamp is ignited; a voltage conversion stage coupled to the auxiliary power stage and generating a voltage at a level that is higher than the auxiliary voltage; and a switch that couples the auxiliary voltage to the DC lamp and the voltage conversion stage for a predefined period of time. | 10-07-2010 |
| 20100246220 | METHOD AND APPARATUS FOR MULTI-STAGE POWER SUPPLIES - A power supply having an specified hold-up time to take a input voltage and convert it to an output voltage, comprising: a first power stage to receive the input voltage; a second power stage to generate the output voltage and an output current; an intermediate charge storage device coupled between the first and second power conversion stages providing an intermediate output voltage in response to the input voltage; and a controller that controls the intermediate output voltage according to a voltage function that is associated with the hold-up time. | 09-30-2010 |
| 20100238413 | Projection System - A projection system is provided. The projection system comprises a first light source module, a second light source module, a prism module, a projection lens and a digital micromirror device (DMD). The two light source modules provide a first light beam and a second light beam according to the specific timing sequences respectively. The prism module is defined with a first reflection mechanism and a second reflection mechanism. The DMD comprises a plurality of micro mirrors. After traveling into the prism module and being reflected by the first reflection mechanism, the first light beam is emitted onto the micro mirrors. The first light beam is adapted to be reflected onto the projection lens and images onto the screen while the micro mirrors are tilted at a first angle. After traveling into the prism module and being reflected by the second reflection mechanism, the second light beam is emitted onto the micro mirrors. The second light beam is adapted to be reflected onto the projection lens and images onto the screen while the micro mirrors are tilted at a second angle. The two light source modules would be switched therebetween according to the specific timing sequences and specific angles of the micro mirrors. | 09-23-2010 |
| 20100237065 | HEATING DEVICE - A heating device includes a first induction coil, a second induction coil, a control panel, a power supply unit and a controlling unit. The control panel issues an adjusting signal. The power supply unit provides a first power and a second power to the first induction coil and the second induction coil, respectively. The controlling unit generates a control signal to the power supply unit according to the adjusting signal, thereby controlling the first power and the second power. Electrical energy is transmitted to the first induction coil and the second induction coil and the frequency difference between the first power and the second power is greater than 15 kHz or smaller than 1 kHz during a first time interval under control of the controlling unit. No electrical energy is transmitted to one of the first induction coil and the second induction coil during a second time interval under control of the controlling unit. | 09-23-2010 |
| 20100237064 | ELECTROMAGNETIC MODULE OF ELECTRONIC APPARATUS AND MANUFACTURING PROCESS THEREOF - An electromagnetic module applied in an electronic apparatus having a circuit board is disclosed. The electromagnetic module includes a plate disposed on the circuit board, and an inductor coil assembly. The inductor coil assembly includes a magnetic core assembly, a first insulation layer and a coil, which are stacked on the plate in order. The inductor coil assembly is electrically connected to the circuit board for generating the electromagnetic induction, thereby the eddy current is generated to produce heat when a pot disposed on the electronic apparatus. In addition, a process for manufacturing an electromagnetic module, applied in an electronic apparatus is disclosed. The process includes the following steps: (a) providing a plate, (b) attaching a magnetic core assembly to the plate, (c) correspondingly disposing a first insulation layer on the magnetic core assembly, and (d) correspondingly disposing a coil on the first insulation layer. | 09-23-2010 |
| 20100225432 | TRANSFORMER ASSEMBLY - A transformer assembly is provided. The transformer assembly comprises a plurality of transformers. The plurality of transformers is parallel and electrically connected. Each of the transformers has a base and a top, and the top is across from the base. The height from the base to the top is substantially less than 10 mm. | 09-09-2010 |
| 20100219179 | ELECTRICAL APPARATUS AND AIR CIRCULATING SYSTEM HAVING SUCH ELECTRICAL APPARATUS - An electrical apparatus includes a casing, a circuit board, a top cover and an active heat-dissipating element. The casing includes a first entrance, a first receptacle, a first sidewall, and a first bottom surface. An air inlet hole is formed in the first bottom surface. A concave region is defined at a junction between the first sidewall and the first bottom surface. An air outlet hole is formed in the concave region. The circuit board is disposed within the first receptacle and has at least one electronic component mounted thereon. The top cover shelters the first entrance. The active heat-dissipating element is disposed within the first receptacle and arranged over the air inlet hole. Ambient air is inhaled into the first receptacle by the active heat-dissipating element and exhausted out of the casing through the air outlet hole, thereby removing heat generated from the electronic component. | 09-02-2010 |
| 20100214806 | POWER CONVERSION CIRCUIT FOR DECENTRALIZING INPUT CURRENT - A power conversion circuit for decentralizing input current includes a capacitor, a first inductor, a first switching circuit, a first discharging circuit, a second inductor, a second switching circuit, a second discharging circuit, and a control circuit. Under control of the control circuit, the first switching circuit and the second switching circuit are alternately conducted, and the second switching circuit is successively conducted when the first switching circuit is shut off. | 08-26-2010 |
| 20100214053 | COMPOSITE TRANSFORMER - A composite transformer includes a bobbin assembly, a magnetic core covering element and a magnetic core assembly. The bobbin assembly includes at least a first connecting part and a first channel, wherein at least a primary winding coil and at least a secondary winding coil are wound around the bobbin assembly. The magnetic core covering element includes a second channel and at least a second connecting part. The at least a second connecting part of the magnetic core covering element is coupled with the at least a first connecting part of the bobbin assembly, so that the magnetic core covering element is combined with the bobbin assembly. The magnetic core assembly is partially embedded into the first channel of the bobbin assembly and the second channel of the magnetic core covering element. | 08-26-2010 |
| 20100214048 | INDUCTOR - An inductor adapted to be electrically connected to a printed circuit board is provided. The inductor comprises a shell, a columnar core and a base. The shell is adapted to define a through hole. The columnar core is adapted to be received in the through hole. The base has a supporting surface and a plurality of welding pins extending from the supporting surface. The columnar core is adapted to be disposed on the supporting surface and be received, along with the supporting surface, in the through hole. The welding pins are extended over the shell and are electrically connected to the printed circuit board. | 08-26-2010 |
| 20100207714 | TRANSFORMER STRUCTURE - A transformer includes a case, a magnetic device and a thermally conductive layer. The case has a receptacle. The magnetic device is disposed within the receptacle, and includes a winding member and a magnetic core assembly. The thermally conductive layer is arranged between the magnetic device and the case for electrically isolating the magnetic device from the case. The heat generated by the magnetic device is transferred to the case through the thermally conductive layer and dissipated away to ambient air. | 08-19-2010 |
| 20100207664 | INPUT VOLTAGE DETECTING CIRCUIT AND POWER SUPPLY HAVING SUCH INPUT VOLTAGE DETECTING CIRCUIT - An input voltage detecting circuit includes an input circuit, a signal processing circuit and an output circuit. The input circuit is used for processing the intensity and the waveform of an input voltage, thereby generating a first signal, wherein the first signal and the input voltage have similar time sequences. The signal processing circuit is connected to the input circuit for reducing a first delaying time of the first signal, thereby generating a second signal having a second delaying time shorter than the first delaying time. The output circuit is connected to the signal processing circuit for processing the intensity and the waveform of the second signal, thereby generating the power status signal. If the input voltage is uninterrupted, the power status signal is in an uninterrupted status. If the input voltage is interrupted, the power status signal is in an interrupted status. | 08-19-2010 |
| 20100206065 | WIND SPEED DETECTING CIRCUIT CAPABLE OF DETECTING THE TIMING FOR REPLACING DUST-PROOF ELEMENT OF ELECTRONIC DEVICE - A wind speed detecting circuit includes a heating unit, a first temperature sensor, a second temperature sensor, a control unit and a driving unit. The first temperature sensor detects a first temperature of an internal portion of an electronic device, thereby generating a first detecting signal. The second temperature sensor detects a second temperature of the heating unit, thereby generating a second detecting signal. The control unit generates a modulation signal according to the first detecting signal and the second detecting signal. In response to the modulation signal, the driving unit generates a driving signal to control operations of the heating unit, so that a temperature difference between the first temperature and the second temperature is maintained constant. A specified relation between the wind speed and the modulation signal facilitates discriminating whether a dust-proof element of the electronic device needs to be replaced. | 08-19-2010 |
| 20100202067 | TWO-DIMENSIONAL ADJUSTING STRUCTURE AND PROJECTION APPARATUS COMPRISING THE SAME - A two-dimensional adjusting structure and a projection apparatus comprising the two-dimensional adjusting structure are provided. The two-dimensional adjusting structure comprises a first base, a second base, and a first slide rod and a second slide rod which extend along a first axis and a second axis respectively. The first slide rod is fixed to the first base. The second slide rod is adapted to move along the first axis with respect to the first slide rod by fitting the first slide rod into a first slide hole of the second slide rod. The second base is adapted to move along the second axis with respect to the second slide rod by receiving the second slide rod within a second slide hole. Thereby, the second base is adapted to move with respect to the first base upon a plane along the first axis and the second axis to adjust the relative position of a second object and a first object disposed on the first base and the second base respectively. | 08-12-2010 |
| 20100201470 | SURFACE MOUNT MAGNETIC DEVICE AND PLACEMENT METHOD THEREOF - The surface mount magnetic device includes a magnetic element and a planar cover. The magnetic element includes a winding structure and a magnetic core. The planar cover is attached on the magnetic element. When a nozzle at a tip of placement head of a placement machine is placed on a top surface of the planar cover, the nozzle is tightly attached on the top surface of the planar cover. The surface mount magnetic device is vacuum picked up by the placement head due to pneumatic suction of a driving device, so that the surface mount magnetic device is transported from a first position to a second position. | 08-12-2010 |
| 20100183315 | POWER SUPPLY MODULE OF OPTICAL NETWORK TERMINAL SYSTEM - A power supply module includes a backup battery unit and a power supply unit. The backup battery unit has at least one first engaging element. The power supply unit has at least one second engaging element mating with the first engaging element. After the second engaging element is engaged with the first engaging element, the power supply unit is detachably connected with the backup battery unit. | 07-22-2010 |
| 20100181836 | UNINTERRUPTIBLE POWER SUPPLY APPARATUS - An uninterruptible power supply (UPS) apparatus is disclosed. The UPS apparatus comprises a UPS main body and a support. The UPS main body includes a power supply unit for receiving AC power from a power source and converting AC power to DC power, a battery unit for receiving DC power from the power supply unit and providing DC power to a load, and a case for housing the power supply unit and the battery unit therein, wherein a bottom surface of the case has a first width. The support is used to support the UPS main body thereon to enable the UPS apparatus to stand on a desk, wherein a bottom surface of the support has a second width larger than the first width. Therefore, the UPS apparatus can be served as a desktop DC UPS. | 07-22-2010 |
| 20100175978 | ELECTRIC POWER SOCKET MODULE - An electric power socket module comprising a socket portion, a switch portion and a plurality of conductive pins is provided. The socket portion and the switch portion are integrally formed and electrically connected in series by using the conductive pins. Thus, conventional wirings and hand-welding can be eliminated to reduce the costs and enhance safety. | 07-15-2010 |
| 20100164393 | LIGHT SOURCE DRIVING CIRCUIT - A light source driving circuit includes a transformer, a switching circuit, a control circuit, a brightness adjusting circuit and an isolator circuit. The brightness adjusting circuit is connected to a secondary winding assembly of the transformer and the light-emitting element for detecting an output voltage and/or an output current and generating a control signal according to the brightness adjusting signal. The isolator circuit is used for isolating the primary winding assembly of the transformer from the brightness adjusting circuit. The isolator circuit generates a feedback current according to the control signal. According to the feedback current, the switching circuit is controlled by the control circuit. As a status of the brightness adjusting signal is changed, a status of the control signal is changed and a time period of changing the status of the control signal is longer than a time period of changing the status of the brightness adjusting signal. | 07-01-2010 |
| 20100157627 | OUTPUT VOLTAGE DETECTING CIRCUIT AND SWITCHING POWER SUPPLY HAVING SUCH OUTPUT VOLTAGE DETECTING CIRCUIT - An output voltage detecting circuit includes a conducting structure, a voltage regulator, a first resistor and a second resistor. The conducting structure includes a power output return terminal, a first contact and a second contact. A compensating voltage is generated between the first and second contacts when an output current flows through the first and second contacts. The voltage regulator adjusts a first current according to a voltage across a first circuit terminal and the ground terminal of the voltage regulator, thereby generating a detecting signal according to the first current. An output voltage across the positive power output terminal and the power output return terminal is subject to voltage division by the first and second resistors to generate a divided voltage. The voltage across the first circuit terminal and the ground terminal of the voltage regulator is equal to a difference between the divided voltage and the compensating voltage. | 06-24-2010 |
| 20100150757 | CIRCUIT BOARD ADAPTED TO FAN AND FAN STRUCTURE - A circuit board adapted to a fan comprises a circuit region and a heat-dissipative film. The circuit region is provided on a first surface of the circuit board and comprises at least one heat-generating component thereon. The heat-dissipative film is coated on an edge portion of the first surface and is in contact with the heat-generating component. | 06-17-2010 |
| 20100149846 | INVERTER CIRCUIT HAVING RELATIVELY HIGHER EFFICIENCY - The configurations of an inverter circuit are provided in the present invention. The proposed circuit includes a first bridge arm having a first sub-bridge arm with a first switch and a first middle point coupled to the first switch, and a second sub-bridge arm with a second switch and a second middle point coupled to the second switch, a first inductor having a first terminal coupled to the first middle point and a second terminal, and a second inductor having a first terminal coupled to the second middle point, and a second terminal coupled to the second terminal of the first inductor and outputting an AC voltage. | 06-17-2010 |
| 20100148908 | TRANSFORMER - A transformer which comprises a winding frame, at least one primary coil assembly, and at least one feedback coil assembly is provided. The winding frame has at least one primary winding area and at least one feedback winding area. The at least one primary coil assembly which is wound around the at least one primary winding area and electrically connected to a microcontroller is configured to receive an input voltage. The at least one feedback coil assembly which is wound around the at least one feedback winding area and electrically connected to the microcontroller is configured to output an induced voltage to the microcontroller. The microcontroller is configured to adjust the input voltage received by the at least one primary coil assembly according to the induced voltage. | 06-17-2010 |
| 20100148904 | COIL ASSEMBLY - A coil assembly is disclosed. The coil assembly comprises a flexible core, a wire assembly and a joint assembly. The inductance of the coil assembly is adjustable by changing the length and the number of the loop of the first and the second wire. As a result, the fixed conventional supporting core that cannot be applied to various usages is improved, and can thereby be more flexible and applied to other usages. | 06-17-2010 |
| 20100148584 | UNINTERRUPTIBLE POWER SUPPLY WITH LOW POWER LOSS - An uninterruptible power supply includes an energy storage unit, an AC-to-DC converting circuit, a charging circuit, a selection circuit, a primary detecting circuit, a primary control circuit and a secondary control circuit. The primary detecting circuit is connected to an output loop of the uninterruptible power supply for detecting an operating status of the uninterruptible power supply and issuing a corresponding operating message. The primary control circuit is connected to the primary detecting circuit and the selection circuit for controlling operations of the uninterruptible power supply. The secondary control circuit is connected to the primary detecting circuit, the selection circuit and the primary control circuit for controlling operations of the uninterruptible power supply. The primary control circuit and the secondary control circuit are enabled or disabled according to the operating message. | 06-17-2010 |
| 20100140064 | ROTARY CONTROL SWITCH MOUNTED ON CONTROL PANEL OF ELECTRICAL APPLIANCE - A rotary control switch includes a body member, a shaft member and a conducting member. The body member includes a main body having a receptacle and a perforation. Multiple recesses are disposed within the receptacle. The perforation is communicated with the receptacle. The shaft member includes a base and a rotating shaft. The base has a sustaining structure. A protrusion is extended from the rotating shaft. The conducting member is connected with the base of the shaft member. The protrusion is sustained against or engaged with the main body and the base is accommodated within the receptacle of the body member. The base of the shaft member is rotated with respect to the control panel and the body member upon rotation of the rotating shaft. When the sustaining structure is sustained against a specified one of the recesses, the conducting member is electrically connected with a corresponding contact pad of the control panel. | 06-10-2010 |
| 20100135044 | SINGLE-STAGE SWITCHING POWER SUPPLY - A single-stage switching power supply includes a transformer, a voltage level generation circuit, a first switching circuit, a second switching circuit, a rectifying and filtering circuit, a feedback circuit and a control circuit. The rectifying and filtering circuit is connected to the secondary winding assembly and the system circuit for generating an output voltage. The feedback circuit generates a feedback signal in response to the output voltage. In response to the feedback signal and an operating-status signal issued by the system circuit, the first and second switching circuits are alternately enabled under control of the control circuit such that electric energy of a first DC voltage is transmitted from the first primary winding assembly to the secondary winding assembly. The first switching circuit is disabled but the second switching circuit is enabled under control of the control circuit when the operating-status signal is at a standby operating status. | 06-03-2010 |
| 20100133910 | UNINTERRUPTIBLE POWER SUPPLY - An uninterruptible power supply includes an input switching circuit, an AC-to-DC converting circuit, a bus capacitor, an energy storage unit, a charging circuit, a DC-to-DC converting circuit, and a system control circuit. The input switching circuit receives an input AC voltage. The AC-to-DC converting circuit is used for converting the input AC voltage into a bus voltage. The energy storage unit is used for storing electric energy. The charging circuit is used for charging the energy storage unit. The DC-to-DC converting circuit is used for converting the energy storage unit connecting node voltage into a regulated DC voltage. The system control circuit is used for controlling operations of the uninterruptible power supply. When the uninterruptible power supply is initiated, the AC-to-DC converting circuit is disabled and the bus capacitor is charged by the DC-to-DC converting circuit under control of the system control circuit. | 06-03-2010 |
| 20100133905 | MULTI-OUTPUT POWER CONVERSION CIRCUIT - A multi-output power conversion circuit is provided for converting an input voltage into a standby voltage and a first output voltage. The multi-output power conversion circuit includes a transformer, a power switching circuit, a first rectifier-filter circuit, a second rectifier-filter circuit, a first switching circuit, a voltage-adjusting circuit, a feedback circuit and a power control circuit. The feedback circuit is connected to the first rectifier-filter circuit, the second rectifier-filter circuit and the system circuit. The feedback circuit generates a feedback voltage according to a power-status signal issued by the system circuit. The power control circuit is interconnected between the power switching circuit and the feedback circuit for controlling on/off statuses of the power switching circuit according to the feedback voltage. The feedback circuit generates the feedback voltage according to the power-status signal and selectively according to the first DC voltage or the second DC voltage. | 06-03-2010 |
| 20100128500 | SWITCHING POWER CONVERSION CIRCUIT - A switching power conversion circuit includes a power circuit, a feedback circuit and a control circuit. The power circuit includes a switching circuit and a first magnetic element. The first magnetic element generates a magnetic flux change by alternately conducting or shutting off the switching circuit, so that an input voltage is converted into the output voltage by the power circuit. The feedback circuit generates a feedback signal according to the output voltage. The control circuit is used for controlling an on duration and an off duration of the switching circuit, thereby maintaining the output voltage at a rated voltage. The off duration of the switching circuit is maintained at a constant interval under control of the control circuit. The on duration of the switching circuit is adjusted to be a specified interval smaller than a maximum on duration according to the magnitude of the input voltage. | 05-27-2010 |
| 20100128443 | HEAT DISSIPATING MODULE - A heat dissipating module is mounted on a circuit board. The circuit board includes at least an insertion hole. The heat dissipating module includes a heat sink and at least a fixing element. The heat sink has at least a guiding track, wherein at least an electronic component is attached on the heat sink or the circuit board. The fixing element includes a first fixing part and a second fixing part. The first fixing part is embedded in the guiding track. The second fixing part is partially penetrated through the insertion hole and sustained against a lower surface of the circuit board, thereby facilitating fixing the heat sink on the circuit board. | 05-27-2010 |
| 20100127640 | BRIGHTNESS-ADJUSTABLE ILLUMINATION DRIVING SYSTEM - An illumination driving system includes a control unit and at least one base. The control unit includes a first converter and a brightness-adjustable circuit. An input AC voltage is converted into a regulated DC voltage by the first converter. The brightness-adjustable circuit is connected to the first converter. The base is separated from the control unit for supporting the at least one light-emitting device. The base includes a second converter. The second converter is connected with the first converter and the light-emitting device for converting the regulated DC voltage into an output voltage. The light-emitting device is driven to illuminate by the output voltage. The brightness-adjustable circuit generates a brightness adjusting signal to the first converter. The magnitude of the regulated DC voltage is adjusted according to the brightness adjusting signal, thereby adjusting the brightness value of at least one light-emitting device. | 05-27-2010 |
| 20100125350 | PROJECTION APPARATUS AND PROJECTION SYSTEM COMPRISING THE SAME - A projection apparatus and a projection system comprising the same are provided. The projection apparatus is adapted to connect to a server for transmitting a time signal via a network. The projection apparatus comprises a schedule module, a timing module, and a network process module. The schedule module is configured to store schedule information. The timing module is configured to generate time information. The network process module is coupled to the schedule module and the timing module, and configured to connect to the server to get time signal via the network according to the schedule information and timing information in a specific time. | 05-20-2010 |
| 20100124853 | POWER CONNECTOR AND POWER SUPPLY CORD SET HAVING SUCH POWER CONNECTOR - A power supply cord set includes a power connector and a power cord. The power connector includes an insulating body, a first conducting element and a second conducting element. The second conducting element includes a first conducting part having a first connecting segment and a second connecting segment. The power cord includes a first multi-core wire and a second multi-core wire, which are covered by the external insulating cover layer. The internal insulating cover layer is partially extended out of a distal aperture of the external insulating cover layer. The bare wire portion of the first multi-core wire is fixed on the first conducting element of the power connector. The bare wire portion of the second multi-core wire is fixed on the first connecting segment of the second conducting element. A terminal part of the internal insulating cover layer is fixed by the second connecting segment. | 05-20-2010 |
| 20100124843 | ELECTRONIC APPARATUS HAVING CONNECTOR WITH FUNCTION FOR PREVENTING FROM DISCONNECTING AND FASTENING AND DETACHING-PROOF DEVICE THEREOF - An electronic apparatus having a connector with detaching-proof function used for connecting to a second connector of a power cord is disclosed. The electronic apparatus includes a body of the electronic apparatus including a housing, a first connector disposed on the housing; and a fastening and detaching-proof device disposed on the housing and adjacently to the first connector. The fastening and detaching-proof device includes a guiding device disposed on the housing, and a movable position device disposed on the housing, and guided to move back and forth between a first position and a second position by the guiding device. When the second connector is connected to the first connector, the movable position device is moved to the first position and fixed at the first position, resulting in the second connector is fastened to the first connector by the movable position device. In addition, a fastening and detaching-proof device applied in an electronic apparatus is also disclosed. The electronic apparatus includes a body including a housing and a first connector disposed in the housing for connecting to a second connector of a power cord. The fastening and detaching-proof device includes a guiding device disposed on the housing, and a movable position device disposed on the housing and guided to move back and forth between a first position and a second position by the guiding device. | 05-20-2010 |
| 20100124505 | Fan and Fan Wheel Thereof - A fan and a fan wheel thereof are provided. The fan comprises the fan wheel and a fan cowl. The fan wheel comprises a hub and a plurality of blades. The hub can define an axial direction and a radial direction, and each of the blades has an axial length and a radial length. The portion of each of the blades that extends along the axial direction over a top edge of a side wall of the hub accounts for the axial length in a ratio between one third and two thirds. A connection portion connecting a central portion to the side wall of the hub, and a tip and a tail of each of the blades, as well as a flow conducting portion connecting a top wall to a central hole of the fan cowl, are all rounded. Thereby, the fan and the fan wheel thereof can strengthen the flow rate and reduce the noise generated by the fan. | 05-20-2010 |
| 20100124085 | H-BRIDGE CIRCUIT HAVING ENERGY COMPENSATION CIRCUIT AND CONTROLLING METHOD THEREOF - The configurations of an H-bridge circuit and a controlling method thereof are provided in the present invention. The proposed circuit includes an H-bridge having a first and a second bridge arms, each of which has a middle point, and a bidirectional switch connected to the two middle points, a bootstrap circuit providing a bootstrap voltage, a driving circuit receiving the bootstrap voltage and driving the bidirectional switch, and an energy compensation circuit coupled to the H-bridge, the bootstrap circuit and the driving circuit, and providing a compensation energy to the bootstrap circuit. | 05-20-2010 |
| 20100117780 | CONDUCTIVE WINDING ASSEMBLY AND FABRICATING METHOD THEREOF - A method for fabricating a conductive winding module of a magnetic element includes the following steps. Firstly, a non-insulated winding structure including multiple conductive units is provided, wherein the conductive units have respective conductive bodies, and one or more of the conductive units have pins. Then, an insulating varnish layer is formed on surfaces of the conductive bodies, thereby producing the conductive winding module. | 05-13-2010 |
| 20100117778 | Transformer - A transformer is provided. The transformer comprises a coil frame, an input coil and an output coil. The input coil and the output coil are both disposed on the coil frame and interlaced with each other. A second voltage outputted by the output coil is induced by a first voltage inputted into the input coil. The output coil comprises at least one metal strip to enhance the output power. The coil frame is formed with a plurality of coil openings with chamfered angles or rounded angles, so that the bended angle formed by the input coil at the location where the input coil passes each of the coil openings is substantially less than 15 degrees. | 05-13-2010 |
| 20100117777 | Transformer - A transformer that comprises a coil module, a core and two bases is provided. The core penetrates through the coil module. The two bases are respectively disposed on the opposite ends of the core to clamp the coil module. The coil module comprises a plurality of coils which are sequentially stacked. Each of the coils includes a plurality of PCBs which are electrically connected and sequentially stacked. Each of the PCBs is formed with a printed circuit in a spiral configuration with respect to the core. Each of the coils is formed by the electrically connected print circuits which are formed on the adjacent PCBs. Thus, the present invention provides a transformer with high efficiency and slimness. | 05-13-2010 |
| 20100096928 | AUTOMATIC START-UP CIRCUIT AND UNINTERRUPTIBLE POWER SUPPLY APPARATUS HAVING SUCH AUTOMATIC START-UP CIRCUIT - An automatic start-up circuit for use in an uninterruptible power supply apparatus is provided. The uninterruptible power supply apparatus includes an energy storage unit and a switching circuit. The automatic start-up circuit includes an operating status detecting circuit and a secondary switch driving circuit. The operating status detecting circuit is connected to an energy storage unit connecting node for detecting an operating status of the energy storage unit through the energy storage unit connecting node, and generating an start-up control signal according to the operating status of the energy storage unit. The secondary switch driving circuit is connected to the operating status detecting circuit, a control terminal of the switching circuit and a common terminal for determining whether the switching circuit is automatically driven to be conducted to start up the uninterruptible power supply apparatus according to the start-up control signal. | 04-22-2010 |
| 20100091250 | LIGHT UNIFORM DEVICE AND DLP PROJECTION SYSTEM COMPRISING THE SAME - The invention provides a light uniform device and a digital light processing (DLP) projection system applying the said light uniform device. The light uniform device comprises a light incident surface, a light emergent surface and a light uniform portion defined therebetween. The light incident surface and the light emergent surface have a first contour and a second contour, respectively. And a first projection image of the second contour that is projected onto a projection plane forms a rotational angle about a longitudinal axial direction corresponding to a second projection image of the first contour projected onto the projection plane. Thereby, the light sources may simply be disposed in the projection system to provide uniform light beams that entirely cover the DMD (digital micromirror device) after being uniformed by the light uniform device. Neither of the light sources need to be inclined following with the DMD, nor is additional relay lens needed in imaging. | 04-15-2010 |
| 20100085711 | HEAT DISSIPATION MODULE AND FAN THEREOF - A heat dissipation module assembled with a circuit board is disclosed. The heat dissipation module assembled comprises a fan and at least a heat sink. The fan comprises a frame and an impeller. The frame comprises a body and at least an extension, wherein the extension protrudes from at least a side of the body. The impeller is disposed in the body. The heat sink is coupled to the extension for dissipating heat produced from an electronic element disposed on the circuit board, wherein the heat sink is received in the extension and disposed on the electronic element. | 04-08-2010 |
