Patent application number | Description | Published |
20090151399 | DEHYDRATING DEVICE - A dehydrating device comprises a tappet unit, a transmission unit and a rotation unit, wherein the rotation unit comprises a bearing member and a transmission shaft. A aquiferous member is disposed in the bearing member, and then the operation of the tappet unit is beginning. The tappet unit then mechanically drives the transmission unit and the rotation unit so as to dewater the aquiferous member. | 06-18-2009 |
20120090122 | MOP ASSEMBLY - A mop assembly includes a handgrip structure disposed above, connected telescopically to a rotary rod structure from above and a cleaning mop connected pivotally to a bottom end of the rotary rod structure. Once the cleaning mop is placed within a draining bucket, axially downward and upward movement of the handgrip structure relative to the rotary rod structure results in axial rotation of the rotary rod structure and the draining bucket relative to the handgrip structure in a predetermined direction and hence draining the water out from the cleaning mop. | 04-19-2012 |
20140201934 | ROTATIONAL STRUCTURE - A rotational structure applied to a rotational mop set is provided. The rotational structure comprises a rotating body, a rotating unit, and at least a pawl unit. The rotating body has at least a stopper. The rotating unit is rotatably assembled to the rotating body, and has a through hole. A spiral bar penetrates the through hole for driving the rotating unit along a first rotating direction or a second rotating direction. The pawl unit is corresponded to the stopper and rotatably assembled to the rotating unit for engaging with the stopper when the rotating unit rotates along the first rotating direction to drive the rotating body to rotate along the first rotating direction, and the pawl unit escapes from the stopper when the rotating unit rotates along the second rotating direction. | 07-24-2014 |
Patent application number | Description | Published |
20090034192 | Overheat Prevention Device - An overheat prevention device for use in a projection apparatus is provided. The projection apparatus comprises a light source module. The overheat prevention device comprises an inclination angle detector, a cooling module, and a control circuitry. The inclination detector is adapted to detect a first inclination angle and a second inclination angle, which the light source module is subject to relative to a reference plane, and transmit a first inclination signal and a second inclination signal, respectively. In response to the first inclination signal, the control circuitry alters the cooling module from a first operation mode to a second operation mode. In response to the second inclination signal, the control circuitry alters the projection apparatus from the first operation mode to the second operation mode. | 02-05-2009 |
20090135378 | Projection Device - A projection device is provided. The projection device comprises a heat source, a housing, and a cooling system. The cooling system is disposed inside the housing of the projection device. The housing comprises at least one outlet and at least one inlet. The cooling system comprises a first cooling device and a second cooling device, wherein the first cooling device is adapted to guide the air outside the housing from the inlet to the outlet, while the second cooling device is disposed adjacent to the outlet and inhales the air outside the housing through the outlet to cooperatively dissipate the heat generated by the heat source of the projection device. | 05-28-2009 |
20120002177 | PROJECTION DEVICE AND LIGHT SOURCE TEMPERATURE REGULATING METHOD THEREFOR - A projection device and a light source temperature regulating method thereof are provided. The projection device comprises a light source, a cooling unit and a control unit. The light source is operated at a working temperature. The cooling unit provides a cooling capacity to the light source. The control unit actively adjusts the cooling capacity of the cooling unit, and thus allows the working temperature of the light source to vary within the anticipated range. | 01-05-2012 |
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 |
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 |
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 |
20120133906 | COOLING SYSTEM FOR COOLING A HEAT SOURCE AND PROJECTION APPARATUS HAVING THE SAME - A cooling system for cooling a heat source and a projection apparatus having the same are disclosed. The cooling system includes a heat dissipating device and a thermoelectric cooler (TEC). The heat source is disposed on the side of the heat dissipating device. The TEC is disposed on the other side of the heat dissipating device corresponding to the heat source. The TEC is initiated as the temperature of the heat source is greater than the first value, while the TEC is shut off as the temperature of the heat source is lower than the second value. Therefore, the cooling system economizes the energy by controlling the operation of the TEC according to the temperature of the heat source. | 05-31-2012 |
20120152778 | CONTAINER AND ELECTRONIC APPARATUS ASSEMBLY COMPRISING THE SAME - A container for accommodating an electronic device and an electronic apparatus assembly comprising the container are provided. The container comprises a body and a heat exchange unit connected to the body. The body forms a closed space for receiving the electronic device. The heat exchange unit operatively guides the heat generated by the electronic device from the closed space to the exterior of the body. Thereby, the electronic device can be isolated and cooled within the closed space. | 06-21-2012 |
20120154761 | COOLING DEVICE AND PROJECTION DEVICE COMPRISING THE SAME - A cooling device and a projection device comprising the same are provided. The projection device comprises a lamp and a cooling device. The lamp has a first side and a second side opposite the first side, and one of the two sides is the upper side of the lamp. The cooling device comprises a first blower and a second blower. The first blower is adapted to generate a first airflow towards the first side, while the second blower is adapted to generate a second airflow towards the second side. | 06-21-2012 |
20120182530 | HEAT DISSIPATION ASSEMBLY AND PROJECTION APPARATUS WITH THE SAME - A heat dissipation assembly for a projection apparatus is provided. The projection apparatus includes a light source, optical elements and a heat dissipation assembly. The heat dissipation assembly includes a case, a heat dissipation element, a fan and a temperature controlling unit. The optical elements transmit a light beam generated by the light source, and thereby generate heat. The heat dissipation assembly is adapted for heat dissipation correspondingly. In the heat dissipation assembly, the case protects the optical elements from being polluted by the dust during heat dissipation. The temperature controlling unit senses the surrounding temperature to control the fan for cooling the heat dissipation element, and the durability of the optical elements are thereby enhanced. | 07-19-2012 |
20130286355 | LIGHT FILTERING STRUCTURE AND OPTICAL ENGINE SYSTEM - A light filtering structure and an optical engine system are provided. The light filtering structure includes a shaft center block and a first arc filter. The shaft center block is connected with an actuator to be swung back and forth by the actuator. The first arc filter is connected with the shaft center block and has an arc which corresponds with a central angle less than 360 degrees. The optical engine system includes a light source assembly, the light filtering structure and an actuator. The light source assembly produces a light beam and is disposed opposite to the light filtering structure. The actuator is connected with the shaft center block of the light filtering structure to drive the light filtering structure to swing back and forth. | 10-31-2013 |
20140218694 | HEAT DISSIPATION STRUCTURE OF PROJECTION DEVICE AND HEAT DISSIPATION METHOD THEREOF - A heat dissipation structure of a projection device includes at least one fan, at least one light emitting unit, at least one air guide, and a sensing device. The fan with an outlet is used for providing a cooling flow. The light emitting unit is used for providing a light beam. The air guide is dismountable disposed in front of the outlet. The air guide is used for guiding the cooling flow to a hot spot of the light emitting unit. The sensing device is used for sensing a projection direction of the projection device. | 08-07-2014 |
20150029472 | OPTICAL DEVICE UTILIZED IN LASER PROJECTOR - An optical device utilized in a laser projector includes a circulatory air channel, a phosphor wheel disposed in the circulatory air channel, a thermal exchanger partially disposed in the circulatory air channel, and an air guiding component disposed in the circulatory air channel for guiding an air provided by the thermal exchanger toward the phosphor wheel. The temperature of the air passing through the phosphor wheel is lower than an environment temperature. | 01-29-2015 |
Patent application number | Description | Published |
20080237512 | VALVE APPARATUS - A valve apparatus includes a body, a sleeve and a shaft. The sleeve is connected to the body by screwing. The shaft is telescoped into the sleeve. The body and the sleeve both have at least one locking portion corresponding to each other. The valve apparatus uses locking portions disposed at the junction of the body and the sleeve to lock their relative position, thereby improving the reliability of the connection. | 10-02-2008 |
20090242815 | SOLENOID VALVE - A solenoid valve includes a bobbin, a coil, a rod, and at least one ball. The bobbin has a through hole and a multiple-turning-point groove in the inner wall of the bobbin. The coil winds around the bobbin. The rod is disposed in the through hole and is capable of moving inward or outward along the through hole, and has a recess in the outer wall of the rod. Each ball is received in the groove and the recess at the same time. | 10-01-2009 |
20090256093 | SOLENOID VALVE - A solenoid valve comprises a bobbin, a coil, a valve rod, a slidable ring, and a rotatable ring. The bobbin has a through hole. The coil is wound around the bobbin. The valve rod is disposed in the through hole and is inwardly or outwardly movable along the through hole. The slidable ring is telescoped onto the valve rod and inwardly or outwardly movable with the valve rod. The rotatable ring is disposed inside the through hole and inside the slidable ring. | 10-15-2009 |
Patent application number | Description | Published |
20090015097 | PIEZOELECTRIC MICRO-PUMP AND DRIVING CIRCUIT THEREOF - The present invention is a driving circuit applied to a piezoelectric activation element, which comprises: a driving period generation unit and a switch circuit unit. The driving period generation unit further comprises: a driving indication signal and a programmable micro-controller, in which the programmable micro-controller is to receive the driving indication signal, and to generate a programmable driving period signal in response to the driving indication signal; and, the switch circuit unit is connected to the driving period generation unit and the piezoelectric activation element, and to receive the driving period signal, and generate an alternate driving voltage in response to the driving period signal; in which, the half-wave leading edge of the alternate driving voltage has the waveform of a parabolic curve waveform, and the half-wave trailing edge of the alternate driving voltage has the waveform of approximately a vertical line waveform, and the alternate driving voltage is connected to the piezoelectric activation element. | 01-15-2009 |
20090092503 | VALUE STRUCTURE - A valve structure includes a valve opening diaphragm and a valve diaphragm. The valve opening diaphragm provides a central valve opening with a plurality of wave shaped projections at the circumference of the valve opening. The valve diaphragm stacks on the valve opening diaphragm and providing at least a pair of elongated circular grooves. The pair of circular grooves is symmetrically disposed with respect to the center of the valve diaphragm and an area enclosed by the pair of circular grooves covers the valve opening. | 04-09-2009 |
20100068080 | WIRING STRUCTURE FOR USE IN MICRO PIEZOELECTRIC PUMP - An electrical connection structure for use in a micro piezoelectric pump is disclosed. The electrical connection structure includes a driving circuit board and a multilayered wiring structure. The electrical connection structure includes the driving circuit board, the wiring structure, and a piezoelectric element arranged from top to bottom. The driving circuit board is provided with a driving circuit for driving the piezoelectric element and at least an electrical contact, wherein the electrical contacts are electrically connected to the driving circuit. A first electrode contact region and a second electrode contact region electrically insulated from each other are defined on the same surface of the piezoelectric element. The wiring structure sends a signal from the electrical contacts to the first electrode contact region and the second electrode contact region. | 03-18-2010 |
20110168805 | ATOMIZATION STRUCTURE AND MANUFACTURING METHOD THEREOF - The present invention discloses an atomization structure comprising a carrier, a cover plate, a piezoelectric driving device and an atomization piece. The carrier includes at least one first support portion, the cover plate comprises at least one second support portion, and the carrier is covered by the plate covers. The piezoelectric driving device is disposed between the carrier and the cover plate, the atomization piece is clamped by one end of the piezoelectric driving device. The actuating effect of the piezoelectric driving device would not be absorbed but kept by point contacting the first support portions and the second support portions to clamp and support the piezoelectric driving device. | 07-14-2011 |
20110233302 | NEBULIZING ASSEMBLY - A nebulizing assembly includes a base having a centered through hole; an nebulizing plate disposed on the base, the nebulizing plate having a radially outer area formed as a gluing section provided with a plurality of glue holes and a central area formed as a spraying section corresponding to the through hole on the base; and a piezoelectric driving element stacked on a top of the nebulizing plate and attached to the gluing section, and having a centered mist outlet. A glue layer is applied over the gluing section to fill up all the glue holes and can provide an extremely high bonding force when becoming dried to thereby firmly bond the nebulizing plate between the base and the piezoelectric driving element. The mist outlet and the through hole on the base have the same diameter to enable minimized resistance applied the whole structure to the nebulizing plate. | 09-29-2011 |
Patent application number | Description | Published |
20110043147 | MOTOR CONTROL APPARATUS - A motor control apparatus includes a phase sensing circuit, a current sensing circuit, a phase lock loop, a controller and a driving circuit. The phase sensing circuit detects a phase switching state of a magnetic pole of a motor circuit, and then generates and outputs a phase switching signal to the phase lock loop when the motor is operating. The current sensing circuit detects a current flowing through a coil of the motor to generate and output a current phase signal to the phase lock loop. The phase lock loop compares a phase difference between the phase switching signal and the current phase signal to generate and output a phase-switch controlling signal to the controller. The controller generates and outputs a driving signal to the driving circuit in accordance with the phase-switch controlling signal. The driving circuit controls the phase switching state of the magnetic pole of the motor to drive the motor to rotate in accordance with the driving signal. | 02-24-2011 |
20110043148 | MOTOR CONTROL APPARATUS AND METHOD THEREOF - A motor control apparatus includes a phase sensing circuit, a current sensing circuit, a controller and a driving circuit. The driving circuit receives a first driving signal and then controls a phase switching state of the magnetic pole of the motor so as to drive the motor in accordance with the first driving signal. The phase sensing circuit detects the phase switching state of the magnetic pole to generate and output a phase switching signal to the controller during the motor is operating. The current sensing circuit detects a current flowing through the motor to generate and output a current phase signal to the controller. The controller compares a phase difference between the phase switching signal and the current phase signal to generate and output a second driving signal to the driving circuit. The driving circuit controls the phase switching state of the magnetic pole for driving the motor in accordance with the second driving signal. | 02-24-2011 |
20120112679 | FAN ROTARY SPEED CONTROLLING DEVICE - A fan rotary speed controlling device includes a first signal generating circuit, a second signal generating circuit, a pulse width modulation (PWM) circuit and a switching circuit. The first signal generating circuit receives a real frequency signal and a target frequency signal, and generates a first signal according to the real frequency signal and the target frequency signal. The second signal generating circuit generates a second signal according to the first signal. The PWM circuit generates a PWM signal according to the second signal. The switching circuit is electrically connected with the PWM circuit and outputs a control signal to control the rotary speed of the motor. Hence, the fan rotary speed controlling device boosts the accuracy and the stability of the fan rotary speed. | 05-10-2012 |
Patent application number | Description | Published |
20080245510 | HEAT DISSIPATION APPARATUS, TWO-PHASE HEAT EXCHANGE DEVICE AND MANUFACTURING METHOD THEREOF - A heat dissipation apparatus includes a plurality of fins and a two-phase heat exchange device connected to the fins. The two-phase heat exchange device includes a main body and a continuous wick structure. The main body forms a closed space therein, and the continuous wick structure is disposed on the entire inner surface of the main body. Methods for manufacturing a two-phase heat exchange device and a heat dissipation apparatus are also introduced. | 10-09-2008 |
20090236080 | HEAT DISSIPATION MODULE AND HEAT PIPE THEREOF - A heat dissipation module includes a plurality of fins and a heat pipe connected with the fins. The heat pipe includes a body, which forms an enclosed space, and an inner ring. A wick structure is disposed on the inner surface of the body, and the inner ring is disposed in the enclosed space for increasing a structural strength of the heat pipe. The inner ring is pressed against the top and bottom of the body or in contact with the wick structure located at the top and the bottom of the body, respectively. The inner ring includes at least one opening located close to the top of the body for communicating inside and outside of the inner ring. | 09-24-2009 |
20100051239 | DISSIPATION MODULE,FLAT HEAT COLUMN THEREOF AND MANUFACTURING METHOD FOR FLAT HEAT COLUMN - A manufacturing method for a flat heat column includes the steps of: providing a flat hollow tube, of which a first wick structure is disposed on the inner surface; providing at least one guiding device disposed within the flat heat tube for supporting the flat heat tube, wherein a second wick structure is disposed on the surface of the guiding device; connecting the first wick structure and the second wick structure for forming a continuous wick structure; and filling a working fluid and sealing both two ends of the flat hollow tube so as to form the flat heat column. A heat dissipation module and its flat heat column are also disclosed for applying to a heat element. The flat heat column can provide flowing path with optimum thermal conductive efficiency for the fluid therein. | 03-04-2010 |
Patent application number | Description | Published |
20080267764 | Fan - A fan includes at least one fan frame, at least one impeller and at least one active flow-control device. The fan frame includes at least one air inlet and at least one air outlet. The impeller is disposed in the fan frame. The active flow-control device, is disposed on the fan frame for adjusting the size of the air inlet or the size of the air outlet according to demands. | 10-30-2008 |
20090053053 | BLOWER - A blower includes an impeller and a housing. The housing has an accommodating portion, a throat portion and a concave portion. The impeller is disposed within the housing and rotates via the shaft. A first axial line and a second axial line are perpendicular to each other, and both intersect at a position where the shaft is located to divide the housing into four regions. Both of the throat portion and the concave portion are disposed adjacent to the outlet and disposed in the first region. | 02-26-2009 |
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 |
20120148393 | CENTRIFUGAL FAN - A centrifugal fan includes a housing and an impeller. The housing includes a first surface and a flow channel wall. The first surface has a surrounding section and an air inlet section. The surrounding section encircles the air inlet section. The flow channel wall defines a flow chamber and an air outlet, and at least a sidewall of the flow channel wall has a tongue portion close to the air outlet. The impeller is rotatably connected within the flow chamber. The surrounding section plus the air inlet section is an area on the first surface, on which the impeller is projected, and the surrounding section has a convex structure. | 06-14-2012 |
20120148394 | CENTRIFUGAL FAN - Disclosed herein is a centrifugal fan. A driving device is connected to an impeller and drives the impeller to rotate within a case. The flowing channel includes a pressure-enhanced section and an output section. The case includes an air input section, an axial inlet section and a radial air outlet. The bottom base has a center and allows the driving device to be secured thereon. Multiple ribs are interconnected between the bottom base and the case to define air inlets among the ribs, the bottom base and the case. The air inlet within the output section has an outmost edge, which is farther from the center than an outmost edge of the air inlet within the pressure-enhanced section, or the air inlet within the output section has an area, which is larger than that of the air inlet within the pressure-enhanced section. | 06-14-2012 |
20120237340 | ACTIVE AIR FLOW ADJUSTABLE FAN - A fan includes at least one fan frame, at least one impeller and at least one active flow-control device. The fan frame includes at least one air inlet and at least one air outlet. The impeller is disposed in the fan frame. The active flow-control device is disposed on the fan frame for adjusting the size of the air inlet or the size of the air outlet according to demands. | 09-20-2012 |
20120251323 | IMPELLER - An impeller is provided. The impeller includes a hub, a plurality of upper blades, and a plurality of lower blades. The hub has an upper surface and a lower surface. The upper blades are disposed around the hub and connect to the upper surface. The lower blades are disposed around the hub and connect to the lower surface. The upper and lower blades are alternately disposed and outwardly extend from the hub. | 10-04-2012 |
20130115066 | CENTRIFUGAL FAN - A centrifugal fan comprises an impeller and a casing. The impeller includes a hub and a plurality of blades. The casing comprises an upper casing, a lower casing, at least one protrusion, a first inlet opening and a second inlet opening. The lower casing is disposed opposite to the upper casing and connected to the upper casing to form an accommodation room for receiving the impeller. The protrusion is formed on the upper casing and/or the lower casing inside the casing and immediately surrounds the blades. The first inlet opening is defined on the upper casing and comprises a primary inlet opening augmented by a secondary inlet opening. The second inlet opening is defined on the lower casing. The protrusion surrounds the first inlet opening and/or second inlet opening. | 05-09-2013 |
20140308118 | CENTRIFUGAL FAN AND IMPELLER THEREOF - A centrifugal fan includes an impeller. The impeller includes a hub, a plurality of connecting structures, an annular structure and a plurality of blades. The hub includes a circumferential surface. The connecting structures are disposed on the circumferential surface of the hub at intervals. Any adjacent two of the connecting structures define a first minimum distance on the circumferential surface. At least two first minimum distances are not equal. The annular structure is connected to the connecting structures. The blades are disposed on the annular structure at intervals. | 10-16-2014 |
Patent application number | Description | Published |
20100188830 | CONDUCTIVE MODULE AND ASSEMBLY STRUCTURE HAVING SUCH CONDUCTIVE MODULE - The present invention provides a conductive module used for assembling a magnetic element and an electronic component. The conductive module includes a conductive base, an electronic component and a plurality of conductive units. The electronic component is electrically connected to the conductive base and disposed on one side of the conductive base. The conductive units have respective hollow portions. The conductive units are spaced from each other and fixed on the conductive base such that the hollow portions of the conductive units are aligned with each other to define a channel. | 07-29-2010 |
20140062642 | Combined structure of hollow bobbin and conductive sheet, hollow bobbin, and conductive sheet - A combined structure of hollow bobbin and conductive sheet for a transformer includes a hollow bobbin and at least one conductive sheet. The hollow bobbin includes an outer surface and at least one positioning structure formed on the outer surface. The conductive sheet is fit on the outer surface of the hollow bobbin and includes a main body and at least one engaging structure. The main body has a hollow portion, making the main body to have an inner circumference. The engaging structure is formed on the inner circumference of the main body and is engaged with the positioning structure of the hollow bobbin. The transformer includes at least one winding disposed on the outer surface of the hollow bobbin and abutting against the conductive sheet. | 03-06-2014 |
20150054549 | SAMPLING CIRCUIT FOR CURRETN TRANSFORMER - A sampling circuit for current transformer includes a current sensing unit, a rectification unit, a sampling unit and a switching unit. The rectification unit is electrically connected to the current sensing unit. The sampling unit is electrically connected to the rectification unit and outputs a first signal. The sampling unit includes an energy leakage device and a switching device. The switching device is electrically connected to the energy leakage device in parallel, and is turned on or off according to a second signal and a third signal. The switching unit is electrically connected to the sampling unit, and is turned on or off according to the second signal. | 02-26-2015 |
Patent application number | Description | Published |
20090034192 | Overheat Prevention Device - An overheat prevention device for use in a projection apparatus is provided. The projection apparatus comprises a light source module. The overheat prevention device comprises an inclination angle detector, a cooling module, and a control circuitry. The inclination detector is adapted to detect a first inclination angle and a second inclination angle, which the light source module is subject to relative to a reference plane, and transmit a first inclination signal and a second inclination signal, respectively. In response to the first inclination signal, the control circuitry alters the cooling module from a first operation mode to a second operation mode. In response to the second inclination signal, the control circuitry alters the projection apparatus from the first operation mode to the second operation mode. | 02-05-2009 |
20090135378 | Projection Device - A projection device is provided. The projection device comprises a heat source, a housing, and a cooling system. The cooling system is disposed inside the housing of the projection device. The housing comprises at least one outlet and at least one inlet. The cooling system comprises a first cooling device and a second cooling device, wherein the first cooling device is adapted to guide the air outside the housing from the inlet to the outlet, while the second cooling device is disposed adjacent to the outlet and inhales the air outside the housing through the outlet to cooperatively dissipate the heat generated by the heat source of the projection device. | 05-28-2009 |
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 |
20120152778 | CONTAINER AND ELECTRONIC APPARATUS ASSEMBLY COMPRISING THE SAME - A container for accommodating an electronic device and an electronic apparatus assembly comprising the container are provided. The container comprises a body and a heat exchange unit connected to the body. The body forms a closed space for receiving the electronic device. The heat exchange unit operatively guides the heat generated by the electronic device from the closed space to the exterior of the body. Thereby, the electronic device can be isolated and cooled within the closed space. | 06-21-2012 |
20140218694 | HEAT DISSIPATION STRUCTURE OF PROJECTION DEVICE AND HEAT DISSIPATION METHOD THEREOF - A heat dissipation structure of a projection device includes at least one fan, at least one light emitting unit, at least one air guide, and a sensing device. The fan with an outlet is used for providing a cooling flow. The light emitting unit is used for providing a light beam. The air guide is dismountable disposed in front of the outlet. The air guide is used for guiding the cooling flow to a hot spot of the light emitting unit. The sensing device is used for sensing a projection direction of the projection device. | 08-07-2014 |
Patent application number | Description | Published |
20090237809 | Imaging System and Optical Engine - An imaging system and an optical engine comprising the imaging system are provided. The imaging system in this invention at least comprises a lens assembly, a light valve, and a Fresnel lens. The Fresnel lens is formed with a receiving portion adapted to correspondingly receive at least one portion of the lens assembly and replaces the conventional aspheric lens to focus a light ray onto the light valve. The light valve reflects the light ray into the lens assembly for imaging. Thereby, the Fresnel lens is adapted to decrease the surface area of the receiving portion to eliminate the influence of stray light on the imaging quality and to economize lens material costs. | 09-24-2009 |
20100066986 | IMAGING MODULE FOR A PROJECTION SYSTEM - The invention provides an imaging module disposed on a projection system. The imaging module comprises an extended lens device, which connects to the image outlet of the body of the projection system by a rotation mechanism. By rotating the rotation mechanism, the projection system may optionally project images through the extending lens device onto the screen in two perpendicular directions, of which the image ratio of the two images are reciprocal. | 03-18-2010 |
20120188514 | LIGHT SOURCE SYSTEM FOR PROJECTION DEVICE AND PROJECTION DEVICE COMPRISING THE SAME - A light source system for a projection device and a projection device comprising the same are provided. The light source system comprises an optical component assembly and a first light source module. The first light source module has a first light emitting diode (LED) and a first reflection cover. The first LED is configured to generate beams. The first reflection cover has a curved surface to reflect and collect the beams from the first LED into the optical component assembly. | 07-26-2012 |
20120243205 | ILLUMINATION SYSTEM - An illumination system for use in a projector is provided. The illumination system comprises a first light source, a first timing controlling unit, a curved reflecting component and a wavelength converting component. The first light source provides a first wavelength light, while the first timing controlling unit divides the first wavelength light into a first timing portion and a second timing portion. The curved reflecting component comprises a focal point. The wavelength converting component is disposed at the focal point for converting the first timing portion of the first wavelength light into a second wavelength light. | 09-27-2012 |
20130021583 | PROJECTION DEVICE AND LIGHT SOURCE DEVICE THEREOF - A light source device includes at least one light emitting diode, at least one dichroic mirror, a condenser, and a fly's eye device. The light emitting diode is operable to generate at least one kind of light. The dichroic mirror is disposed corresponding to the light emitting diode to combine the light into an optical path when the light passes through the dichroic mirror. The condenser is disposed corresponding to the dichroic mirror to gather the light when the light passes through the condenser. The fly's eye device is disposed corresponding to the condenser to homogenize the light when the light passes through the fly's eye device. Furthermore, a projection device is disclosed herein. | 01-24-2013 |
20130088873 | LIGHT SOURCE SYSTEM - A light source system comprising an illumination component, a color wheel and a light uniformization module is provided. The illumination component is disposed on a first axis to provide light beams. The color wheel defines a second axis to rotate thereabout, wherein the second axis is deflected from the first axis by an angle. The light beams provided from the illumination component are substantially focused at the first axis and onto the color wheel. The light uniformization module is disposed on the first axis after the color wheel to receive a portion of the light beams and uniformize the light beams to travel along the first axis. | 04-11-2013 |
20130215338 | POLARIZATION CONVERTER AND PROJECTOR APPARATUS COMPRISING THE SAME - A polarization converter for use in a projector apparatus is provided. The polarization converter includes a polarizing beam splitter, a half wavelength retarder and a quarter wavelength retarder. The polarizing beam splitter could split a first light into a first light beam with a first polarized direction and a second light beam with a second polarized direction. The half wavelength retarder is disposed on the side of the polarizing beam splitter and the second light beam is converted into the second light beam with the first polarized direction by the half wavelength retarder. The first and second light beams with the first polarized direction are coupled to form a first polarized light with the first polarized direction. The quarter wavelength retarder is disposed behind the half wavelength retarder so that the first polarized light is converted into a first circularly polarized light. | 08-22-2013 |
20130215392 | POLARIZATION CONVERTING ELEMENT GROUP FOR PROJECTION APPARATUS AND PROJECTION APPARATUS - A polarization converting element group for a projection apparatus is disclosed. The polarization converting element group includes a polarization beam splitter and a half wave plate. The polarization beam splitter splits a light beam into a first polarized light beam with a first polarization direction and a second polarized light beam with a second polarization direction. The half wave plate is placed next to the polarization beam splitter and reciprocally moves between the first and second position. At different time points, the half wave plate changes the polarization direction of the first light beam or the second light beam passing therethrough. With this arrangement, the light beam that exits the polarization converting element group will either be a uniform first polarized light with a first polarization direction or a uniform second polarized light with a second polarization direction. | 08-22-2013 |
20130258292 | OPTICAL MODULE FOR USE IN A PROJECTOR APPARATUS AND PROJECTOR APPARATUS - An optical module includes a curved reflecting component, a first filtering component, a second filtering component and a rolling component. The curved reflecting component has a focus, a transmissive portion, a first reflecting portion and a second reflecting portion. The rolling component includes a first transforming portion and a second transforming portion. The first waveband light is transmitted into the transmissive portion and is then transformed into a second waveband light via the first transforming portion. The second waveband light is subsequently transformed into a first emergent light. The first waveband light is transmitted into the transmissive portion and is then transformed into the second waveband light via the second transforming portion. The second waveband light is subsequently transformed into a second emergent light. | 10-03-2013 |
20130271730 | ILLUMINATION SYSTEM FOR A PROJECTION APPARATUS AND PROJECTION APPARATUS - An illumination system and a projection apparatus adopting the illumination system are provided. The projection apparatus comprises the illumination system and a light modulator. The illumination system comprises at least one light source, a curved reflecting component, a phosphor wheel, a polarizer and a half wave retarder. The light provided by the at least one light source passes through the curved reflecting component and the phosphor wheel to provide a first light in a first time sequence and a second light in a second time sequence. The first light and the second light are transformed into a first polarized light and a second polarized light respectively in different time sequences by the polarizer and the half wave retarder. | 10-17-2013 |
Patent application number | Description | Published |
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 |
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 |
20120234822 | Capacitance Sensing Switch Module - A capacitance sensing switch module is provided. The capacitance sensing switch module for controlling a cooktop includes a plate, at least one key, an insulating pad, a circuit board and at least one foil. The plate is disposed in a side of the cooktop and has at least one hole passing through the plate. The key is disposed in the hole. The insulating pad is disposed between the key and the plate. The key and the plate are separated by the insulating pad. The circuit board is disposed under the plate. The foil is disposed on the circuit board and on the position corresponding to the key. There is an insulation gap between the foil and the key. | 09-20-2012 |
20140232204 | SWITCH CONTROL MODULE WITH STRAIN GAGE AND ELECTRIC DEVICE EMPLOYING SAME - A switch control module for an electric device is provided. The switch control module includes a substrate and at least one strain gage. The substrate includes a first surface and a second surface, wherein at least one operating area is formed on the first surface. The at least one strain gage is attached on the second surface of the substrate and aligned with the at least one operating area. In response to an external force exerted on the at least one operating area of the substrate, the at least one strain gage is subjected to deformation. According to an amount of the deformation, a control signal is generated to control operations of the electric device. | 08-21-2014 |
20140251980 | ELECTROMAGNETIC INDUCTION HEATER WITH INCREASED HEATING RANGE - An electromagnetic induction heater includes a supporting plate and a plurality of first induction coils. The supporting plate has a heating zone for placing at least one foodstuff container thereon. The heating zone includes a plurality of sub-heating zones. The first induction coils are located at the positions corresponding to the sub-heating zones respectively for heating the at least one foodstuff container. The first induction coils have elliptic profiles, and are located at an inner side of the supporting plate. | 09-11-2014 |
20140251981 | SWITCH CONTROL MODULE WITH PIEZOELECTRIC ELEMENT AND ELECTRIC DEVICE EMPLOYING SAME - A switch control module for an electric device is provided. The switch control module includes a substrate and at least one piezoelectric element. The substrate includes a first surface and a second surface. Moreover, at least one operating area is formed on the first surface. The at least one piezoelectric element is attached on the second surface of the substrate and aligned with the at least one operating area. In response to an external force exerted on the at least one operating area of the substrate, the at least one piezoelectric element is subjected to a deformation. According to an amount of the deformation, a voltage signal is generated to control operations of the electric device. | 09-11-2014 |
Patent application number | Description | Published |
20080222230 | Multiplier-divider having error offset function - A multiplier-divider capable of offsetting errors includes a plurality of multiplication and division units to perform processes and arrangements so that errors generated by signals passing through the multiplier-divider are offset. As a result impact of the errors is reduced. More than one processing signal can be obtained from the same power supply to reduce loss of external sampling. | 09-11-2008 |
20080304195 | Power abnormal protection circuit - A power abnormal protection circuit includes a power detection unit, a voltage drop correction unit, a drop out detection unit, a delay unit and a delay masking unit. By detecting an input power average value of a power supply occurring of a brown out condition can be determined. The power supply includes a power factor correction unit which has an output capacitor. By detecting the voltage of the output capacitor a drop out condition can be determined. When a power abnormal condition occurs all units of the power supply can be set off sequentially according to a delay time to protect circuit elements and a connecting computer. | 12-11-2008 |
20080310196 | Method for controlling startup cycle and circuit of using the same - The present invention discloses a method and a circuit for controlling a start-up cycle of an integrated circuit in a circuit system. The method and circuit determine whether or not an input power of the circuit system and a bias voltage power of the integrated circuit have reached a normal operating voltage range to control the bias voltage power to produce a start-up cycle of the integrated circuit. The method and circuit also provides a protection mechanism for an overload of the circuit system overload, so that the integrated circuit can moderate surges and prevent damages. | 12-18-2008 |
20090028273 | Variable-frequency circuit with a compensation mechanism - The present invention discloses a variable-frequency circuit with a compensation mechanism, which comprises: a load sensing/decision unit, a frequency-division unit and a level modulation unit. The present invention applies to a power supply having a frequency-division mode. The power supply has a feedback unit generating a feedback signal. The load sensing/decision unit determines the operational mode according to the feedback signal. The frequency-division unit generates a reference frequency signal. The level modulation unit generates a reference level signal. During frequency variation, the level modulation unit generates a compensation current to modulate the reference level signal. Thereby, the PWM unit of the power supply can adjust the working cycle of the power supply according to the reference frequency signal, the reference level signal and the feedback signal. | 01-29-2009 |
20090268489 | FLYBACK CONVERTER HAVING AN ACTIVE SNUBBER - A flyback converter having an active snubber includes a transformer to receive input power. The transformer has a primary winding at a first side. The active snubber is coupled in parallel with two ends of the primary winding and has a first circumferential circuit coupling in parallel with the primary winding, a second circumferential circuit and a zero voltage switch unit. The second circumferential circuit is controlled by the zero voltage switch unit and incorporated with the first circumferential circuit to form double damping paths to reduce current and prevent resonance that might otherwise occur to a single circumferential circuit and the secondary side of the transformer. | 10-29-2009 |
20100033995 | FLYBACK CIRCUIT PROVIDING SYNCHRONIZED CONTROL - A flyback circuit providing synchronized control includes a pulse width modulation (PWM) unit, a synchronized control unit and an ON period limiting unit. The PWM unit generates a driving signal to control a switch ON period of a primary winding and provides a synchronized signal prior to the generation of the driving signal that has output time series ahead the driving signal. The synchronized control unit receives the synchronized signal through an induction winding to set off a synchronized commutation switch. The ON period limiting unit starts a period limiting time series after the synchronized commutation switch has been set on. After the synchronized commutation switch is set off by the synchronized signal the ON period limiting unit is reset to an initial condition. The synchronized commutation switch maintains an ON condition until the period limiting time series end, then the ON period limiting unit generates a forced ending signal to set off the synchronized commutation switch so that the flyback circuit maintains operation at a minimum duty frequency. | 02-11-2010 |
20110156481 | POST REGULATION CONTROL CIRCUIT - A post regulation control circuit aims to monitor ancillary output power generated from a power supply. The power supply includes at least one primary output circuit to provide a primary output power. A post regulation circuit obtains the primary output power and regulate to an ancillary output power. The monitor circuit sets an abnormal level and obtains a detection power from the post regulation circuit to compare with the abnormal level. Determining whether to output a driving pulse wave according to the detection power is over the abnormal level or not, or stop outputting the driving pulse wave. | 06-30-2011 |
Patent application number | Description | Published |
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 |
20130308293 | PHOSPHOR WHEEL AND ILLUMINATION SYSTEM WITH THE SAME - A phosphor wheel includes a glass, a first phosphor agent and a first filter. The glass has a first region and the first phosphor agent is coated on the first region for converting a first color light into a second color light. The first filter is disposed next to the first region for filtering at least a portion of the first color light and a first light beam of the second color light, so that a second light beam of the second color light is transmitted through the first filter. The second color light is yellow light, the first phosphor agent is yellow phosphor agent, and the first filter is a red light filter. The present invention achieves the advantages of decreasing the fabricating cost, increasing the brightness of the red light with increasing of driving current and the whole brightness of the illumination system, and improving the image quality. | 11-21-2013 |
Patent application number | Description | Published |
20080219845 | FAN - A fan includes an impeller, a motor, a plurality of first engaging members and a plurality of second engaging members. The impeller includes a hub and a plurality of blades disposed around the hub. The motor includes a rotor housing coupled with the hub, and the motor is for driving the impeller to rotate. The first engaging members are disposed on an inner side of the top surface of the hub, and the second engaging members are disposed on the top surface of the housing. When the impeller and the rotor housing are assembled, the second engaging members are disposed corresponding to the first engaging members, so that parts of the first engaging members are engaged into and assembled with the second engaging members. | 09-11-2008 |
20080247868 | FAN AND IMPELLER THEREOF - A fan has an impeller, a motor and a frame. The impeller and the motor are disposed within the frame, and the motor is connected to the impeller and drives the impeller to rotate. The impeller includes a hub and an odd number of blade sets. The blade sets are disposed around the circumference of the hub. Bach blade set has a plurality of the blades, and the blades of each blade set can be the same or not. For example, the blades in each of the blade sets have different tilting angles, heights and/or lengths while the blades are connected with the hub. Or the blades in each of the blade sets have different curvatures, arc lengths, thicknesses, or side-view shapes. | 10-09-2008 |
20080279694 | FAN AND FAN ASSEMBLY - A fan includes an impeller, a motor, a circuit board, a fan frame and a connecting member. The motor is used to drive the impeller to rotate. The circuit board is electrically connected to the motor. The impeller and the motor are accommodated in the fan frame. The connecting member is disposed at one side of the fan frame. The circuit board is disposed between the connecting member and the fan frame. Also, a fan assembly including such two fans is also disclosed. | 11-13-2008 |
20090052820 | FAN, MOTOR AND BUSHING THEREOF - A fan includes an impeller and a motor for driving the impeller to rotate. The motor includes a bushing and a rotating shaft penetrating through the bushing. The bushing includes a tube and at least one base connected with one end of the tube. An inner diameter of the tube is smaller than an inner diameter of the base so that the mechanism design variability is enhanced and the efficiency of the fan and the motor is enhanced by effectively utilizing an inner space of the bushing. | 02-26-2009 |
20090269195 | FAN AND AIRFLOW GUIDING STRUCTURE THEREOF - A fan includes an airflow guiding structure, an impeller and a guiding ring. The outer radius of the airflow guiding structure increases gradually from the top to the bottom of the airflow guiding structure. The airflow guiding structure includes a plurality of fins and a first space for accommodating a circuit device. The impeller is disposed on the airflow guiding structure and the impeller has a hub and several axial-flow blades disposed around the hub. The guiding ring is connected with the axial-flow blades. An inlet is formed on the top of the guiding ring, and an outlet is formed between the bottom of the guiding ring and the outer surface of the sidewall of the airflow guiding structure. When the impeller rotates, the airflow enters the fan from the inlet and flows along the outer surface of the sidewall of the airflow guiding structure, then the airflow exits the fan through the outlet. The direction of the airflow passing through the outlet is different from the direction of the airflow passing through the inlet. | 10-29-2009 |
20090269196 | FAN AND AIRFLOW GUIDING STRUCTURE THEREOF - A fan includes an airflow guiding structure, an impeller and a guiding ring. The outer radius of the airflow guiding structure increases gradually from the top of the airflow guiding structure to the bottom of the airflow guiding structure. The airflow guiding structure includes a plurality of fins and a first space for accommodating a circuit device. The impeller is disposed on the airflow guiding structure and has a hub and several blades. The guiding ring connects to the airflow guiding structure via at least one connecting element. A predetermined distance is arranged between the inner surface of the guiding ring and the outer edges of the blades. An inlet is formed at the top of the guiding ring, and an outlet is formed between the bottom of the guiding ring and the outer surface of a sidewall of the airflow guiding structure. When the impeller rotates, the airflow enters the fan from the inlet and flows along the outer surface of the sidewall of the airflow guiding structure, then the airflow exits the fan through the outlet. The direction of the airflow passing through the outlet is different from the direction of the airflow passing through the inlet. | 10-29-2009 |
20110236237 | FAN AND FAN ASSEMBLY - A fan includes an impeller, a motor, a circuit board, a fan frame and a connecting member. The motor is used to drive the impeller to rotate. The circuit board is electrically connected to the motor. The impeller and the motor are accommodated in the fan frame. The connecting member is disposed at one side of the fan frame. The circuit board is disposed between the connecting member and the fan frame. Also, a fan assembly including such two fans is also disclosed. | 09-29-2011 |
Patent application number | Description | Published |
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 |
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 |
20130271029 | ILLUMINATION APPARATUS AND METHOD FOR GENERATING WHITE LIGHT - An illumination apparatus includes a first light-emitting device, a second light-emitting device, and a third light-emitting device. The light emitted from the third light-emitting device is selectively mixed with the light emitted from the first light-emitting device or the second light-emitting device to form a white light having a chromaticity coordinate point substantially located on a Black Body Locus. A color of the light emitted from the third light-emitting device is determined by linear relationships between chromaticity coordinate points corresponding to wavelengths of the lights emitted form the first light-emitting device and the second light-emitting device and corresponding to a color temperature of the white light. A method for generating a white light is also disclosed herein. | 10-17-2013 |
20130313587 | LIGHT EMITTING ELEMENT AND LIGHT EMITTING MODULE THEREOF - A light emitting element including an epitaxy layer, at least one first electrode, at least one second electrode, a first bonding pad and a second bonding pad. The epitaxy layer includes in sequence a first semiconductor layer, an active layer and a second semiconductor layer, and the first semiconductor layer has an exposed portion exposed from the second semiconductor layer and the active layer. The first electrode is disposed at the exposed portion. The second electrode is disposed at the second semiconductor layer. The first bonding pad is connected with the first electrode. The second bonding pad is connected with the second electrode. Two light emitting elements with different structures and the light emitting module utilizing the light emitting elements mentioned above are also disclosed. | 11-28-2013 |
20130314894 | LIGHTING APPARATUS - A lighting apparatus includes a circuit board, at least one LED, an optical element, a lampshade and at least one fluorescent material. The LED is disposed on the circuit board. The optical element is disposed above the LED, and has at least one reflective surface so that light emitted from the LED to the optical element partially penetrates through and is partially reflected by the optical element. The lampshade covers the circuit board, the LED and the optical element. The fluorescent material is doped within the lampshade. | 11-28-2013 |
20150069404 | SEMICONDUCTOR DEVICE - A semiconductor device includes an active layer, at least one source electrode, at least one drain electrode, at least one gate electrode, a first insulating layer, a first source pad, a first drain pad, at least one source plug, and at least one drain plug. The source electrode and the drain electrode are both disposed on the active layer. Projections of the source electrode and the drain electrode on the active layer form a source region and a drain region, respectively. The first source pad and the first drain pad are both disposed on the first insulating layer. A projection of the first source pad on the active layer forms a source pad region. An area of an overlapping region between the source pad region and the drain region is smaller than or equal to 40% of an area of the drain region. | 03-12-2015 |
Patent application number | Description | Published |
20100068080 | WIRING STRUCTURE FOR USE IN MICRO PIEZOELECTRIC PUMP - An electrical connection structure for use in a micro piezoelectric pump is disclosed. The electrical connection structure includes a driving circuit board and a multilayered wiring structure. The electrical connection structure includes the driving circuit board, the wiring structure, and a piezoelectric element arranged from top to bottom. The driving circuit board is provided with a driving circuit for driving the piezoelectric element and at least an electrical contact, wherein the electrical contacts are electrically connected to the driving circuit. A first electrode contact region and a second electrode contact region electrically insulated from each other are defined on the same surface of the piezoelectric element. The wiring structure sends a signal from the electrical contacts to the first electrode contact region and the second electrode contact region. | 03-18-2010 |
20110168805 | ATOMIZATION STRUCTURE AND MANUFACTURING METHOD THEREOF - The present invention discloses an atomization structure comprising a carrier, a cover plate, a piezoelectric driving device and an atomization piece. The carrier includes at least one first support portion, the cover plate comprises at least one second support portion, and the carrier is covered by the plate covers. The piezoelectric driving device is disposed between the carrier and the cover plate, the atomization piece is clamped by one end of the piezoelectric driving device. The actuating effect of the piezoelectric driving device would not be absorbed but kept by point contacting the first support portions and the second support portions to clamp and support the piezoelectric driving device. | 07-14-2011 |
20110233302 | NEBULIZING ASSEMBLY - A nebulizing assembly includes a base having a centered through hole; an nebulizing plate disposed on the base, the nebulizing plate having a radially outer area formed as a gluing section provided with a plurality of glue holes and a central area formed as a spraying section corresponding to the through hole on the base; and a piezoelectric driving element stacked on a top of the nebulizing plate and attached to the gluing section, and having a centered mist outlet. A glue layer is applied over the gluing section to fill up all the glue holes and can provide an extremely high bonding force when becoming dried to thereby firmly bond the nebulizing plate between the base and the piezoelectric driving element. The mist outlet and the through hole on the base have the same diameter to enable minimized resistance applied the whole structure to the nebulizing plate. | 09-29-2011 |
Patent application number | Description | Published |
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 |
20130120111 | KEYLESS ENTRY SYSTEM AND CONTROL METHOD THEREOF - A keyless entry system comprises a resonant unit, a control unit and a portable device. The resonant unit is disposed to at least one door and generates a sensing signal when sensing a user approaching or touching the door. The control unit receives the sensing signal and controls the resonant unit to transmit a first authentication signal. The portable device receives the first authentication signal and transmits a second authentication signal according to the first authentication signal. The control unit receives the second authentication signal and controls the door according to the second authentication signal. | 05-16-2013 |
20130120127 | TIRE POSITION IDENTIFYING SYSTEM AND METHOD - A tire position identifying system is provided. The system includes: a plurality of tire pressure sensors, respectively configured on a plurality of tires for sensing tire information of the tires; at least one antenna, for transmitting a first trigger signal, and receiving a plurality of radio frequency signals from the tire pressure sensors that responds to the first trigger signal; and a controller, coupled to the at least one antenna, for determining relative positions of the tires according to the signal strength of radio frequency signals received by the at least one antenna. | 05-16-2013 |
Patent application number | Description | Published |
20100309441 | PROJECTION APPARATUS AND COOLING DEVICE THEREOF - A cooling device applied in a projection apparatus and the projection apparatus are provided. The projection apparatus comprises a first light source, a second light source, a third light source and the cooling device. The cooling device comprises an airflow guiding device and a fan. The airflow guiding device is adapted to define a first flow path and a second flow path. The first flow path has a first position, while the second flow path has a second position and a third position, correspondingly disposed with the first light source, the second light source and the third light source, respectively. The fan is adapted to generate airflow. The airflow is divided into a first airflow and a second airflow entering the first flow path and the second flow path, respectively. Thereby, the cooling device is capable of matching the heat dissipation requirements of the light sources and reducing the noise generated by the cooling device by using only one fan. | 12-09-2010 |
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 |
Patent application number | Description | Published |
20100026437 | CONDUCTIVE WINDING MODULE AND MAGNETIC ELEMENT HAVING SUCH CONDUCTIVE WINDING MODULE - A conductive winding module is used in a magnetic element. The conductive winding module includes multiple conductive units and multiple output terminals. The conductive units have respective hollow portions. The output terminals are arranged on the conductive units. The conductive units are folded with respect to a connecting line between the conductive units such that the hollow portions are aligned with each other to define a through-hole and the multiple output terminals are staggered to form at least three output terminals to be inserted into a circuit board. | 02-04-2010 |
20100237972 | TRANSFORMER STRUCTURE - The present invention discloses a transformer, mounted on a circuit board, including a winding set having a bobbin, a primary winding and a secondary winding, wherein the primary and the secondary windings are wound on the bobbin, and the primary winding has at least a first output terminal; a magnetic core set including a first magnetic core and a second magnetic core, wherein the winding set is sandwiched in between the first and the second magnetic cores; and an insulation base including an accommodation space and at least a pin, wherein the winding set and the magnetic core set are accommodated in the accommodation space, and the first output terminal of the primary winding is connected with the pin for further electrically connecting to the circuit board. | 09-23-2010 |
20130307658 | TRANSFORMER - A transformer includes a bobbin. The bobbin includes a base and a main body. The main body is disposed on the base. The main body has a channel passing through the main body. The channel has two openings. Each of the openings has a first center. The main body includes a first main body portion and a second main body portion respectively at two sides of a first plane that is parallel to the base and passes through the first centers. The second main body portion is connected between the first main body portion and the base. The first main body portion and the second main body portion are asymmetric and have different heights relative to the first plane. | 11-21-2013 |
20140085030 | TRANSFORMER - A transformer includes a bobbin, a magnetic core assembly, and a hollow pad. The bobbin includes a main body and a channel. The channel runs through the main body. The magnetic core assembly includes a first magnetic part and a second magnetic part. Each of the first magnetic part and the second magnetic part includes a middle post. The middle post is partially inserted into the channel. The hollow pad is arranged between the middle post of the first magnetic part and the middle post of the second magnetic part. The hollow pad has an opening for accommodating a gluing material. The first magnetic part and the second magnetic part are combined together through the gluing material. | 03-27-2014 |
20150028980 | TRANSFORMER - A transformer includes a magnetic core assembly and a hollow pad. The magnetic core assembly includes a first magnetic part and a second magnetic part. Each of the first magnetic part and the second magnetic part includes a middle post. The hollow pad is arranged between the middle post of the first magnetic part and the middle post of the second magnetic part. The hollow pad has an opening for accommodating a gluing material. The first magnetic part and the second magnetic part are combined together through the gluing material. | 01-29-2015 |
Patent application number | Description | Published |
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 |
20100270959 | MOTOR CONTROL DEVICE AND CONTROLLER THEREOF - A motor control device is electrically connected with a motor. The motor control device includes a controller and a driving circuit. The controller has a default value of time and generates a first driving signal and a second driving signal. The driving circuit includes a first switching element and a second switching element, the first switching element and the second switching element receive the first driving signal and the second driving signal respectively, and the first switching element and the second switching element are switched on or switched off alternately according to the first driving signal and the second driving signal respectively, so as to drive the motor to operate. The controller switches off the first switching element by the first driving signal the default value of time before the controller switches on the second switching element by the second driving signal, and the controller switches off the second switching element by the second driving signal the default value of time before the controller switches on the first switching element by the first driving signal. | 10-28-2010 |
20120242269 | MOTOR CONTROL SYSTEM AND FAN APPLY THERETO - A motor control system includes a voltage regulating module, an auxiliary activating module, and a drive module. The voltage regulating module is operable to receive a voltage and generate an electrical level regulated voltage by regulating the voltage. The auxiliary activating module is operable to generate a constant duty cycle signal and output the constant duty cycle signal for a period. The drive module is operable to receive the electrical level regulated voltage and the constant duty cycle signal, and control a motor based on the electrical level regulated voltage and the constant duty signal. Also, the present invention also discloses a fan which is applied to the above-mentioned motor control system. | 09-27-2012 |
20140021891 | MOTOR AND CONTROL METHOD THEREOF - A motor includes a rotor, a sensor unit, an offset unit, a rectification unit and a modulating unit. The sensor unit outputs a first signal in accordance with a magnetic field variation of the rotor. The offset unit is coupled to the sensor unit, and outputs a second signal in accordance with the first signal. The rectification unit is coupled to the offset unit, and outputs a third signal in accordance with the second signal. The modulating unit is coupled to the rectification unit, and outputs a control signal in accordance with a result by comparing the third signal with a periodic signal. The modulating unit controls a reverse rotation of the rotor smoothly in accordance with the control signal. A control method of the motor is also disclosed. | 01-23-2014 |