07th week of 2012 patent applcation highlights part 17 |
Patent application number | Title | Published |
20120038213 | NON-CHARGING BATTERY BACKUP UNIT (BBU) - A battery backup unit (BBU) includes a housing, at least one battery compartment in the housing with an output terminal, a DC input, a DC output, a path from the DC input to the DC output, circuitry for selectively connecting the output terminal to the path, which circuitry includes a switch, and a controller configured to detect a condition of the path and selectively control the switch to connect the output terminal to the path when the condition is detected, the BBU being incapable of charging batteries in the at least one battery compartment. The path from the DC input to the DC output may include a DC/DC step up converter to help maintain a constant output voltage. | 2012-02-16 |
20120038214 | SYSTEM FOR MULTIPLE ENERGY STORAGE AND MANAGEMENT AND METHOD OF MAKING SAME - A system for multiple energy storage and management includes a propulsion system includes an electric drive and a direct current (DC) link electrically and a first energy storage system coupled to the electric drive. The first energy storage system includes a low specific-power energy storage device (ESD). A coupling device is coupled to a first terminal of the low specific-power ESD and a second energy storage system, wherein a first terminal of the second energy storage system is electrically coupled to the electric drive through the DC link and a second terminal of the second energy storage system is coupled to the coupling device. A boost converter assembly is coupled to the first and second energy storage systems. The coupling device couples the second terminal of the second energy storage system to the first terminal of the low specific-power ESD in a series connection that bypasses the boost converter assembly. | 2012-02-16 |
20120038215 | SYSTEM FOR MULTIPLE ENERGY STORAGE AND MANAGEMENT AND METHOD OF MAKING SAME - A propulsion system includes an electric drive, a first energy storage system electrically coupled to the electric drive through a DC link, and a second energy storage system electrically coupled to the first energy storage system in a series connection. The first energy storage system comprises a high specific-energy storage device; the second energy storage system comprises a high specific-power storage device. The propulsion system also includes a bi-directional boost converter electrically coupled to the first and second energy storage systems such that a terminal of the first energy storage system is electrically coupled to a low voltage side of the bi-directional boost converter and a first terminal of the second energy storage system is coupled to a high voltage side of the bi-directional boost converter. The series connection bypasses the bi-directional boost converter. | 2012-02-16 |
20120038216 | SYSTEM FOR MULTIPLE ENERGY STORAGE AND MANAGEMENT AND METHOD OF MAKING SAME - A propulsion system includes an electric drive, a first energy storage system electrically coupled to the electric drive through a DC link, and a second energy storage system electrically coupled to the first energy storage system in a series connection. The first energy storage system comprises a high specific-energy storage device and the second energy storage system comprises a low specific-power storage device. The propulsion system also includes a third energy storage system comprising a high specific-energy storage device electrically coupled to the second energy storage system. A bi-directional boost converter is electrically coupled to the second and third energy storage systems such that a terminal of the third energy storage system is electrically coupled to a low voltage side of the bi-directional boost converter and a terminal of the second energy storage system is coupled to a high voltage side of the bi-directional boost converter. | 2012-02-16 |
20120038217 | CONTROLLER APPARATUS WITH MAXIMUM POWER POINT TRACKING FOR CONTROLLING AN ELECTRIC POWER GENERATION SYSTEM BASED ON PHOTOVOLTAIC SOURCES, CONTROLLING METHOD AND RELATED ELECTRIC POWER GENERATION SYSTEM - Controller apparatus with MPPT tracking for controlling an electric power generation system comprising two identical sub-sections of a photovoltaic field, connected to two respective identical switching power converters, the two converters being controlled by two respective periodic controlling signals and the outputs of the two converters being connected in parallel. The controller apparatus comprises a first and a second current sensor for detecting the output currents of the two converters, a subtractor capable to receive the two current detection signals and to generate a difference signal, an amplifier capable to amplify the difference signal by a constant gain k, and a low-pass filter capable to filter the amplified difference signal, a proportional-integral controller for controlling the filtered amplified difference signal. | 2012-02-16 |
20120038218 | POWER TRANSMISSION SYSTEM - A power transmission system a power transmission apparatus, a center frequency acquiring unit, and a control unit. The power transmission apparatus includes a primary-side coupling electrode electrically configured to couple to a secondary-side coupling electrode and connected load circuit of a power receiving apparatus, a high-frequency voltage generating circuit configured to generate and apply a high-frequency voltage to the primary-side coupling electrode, and a driving power circuit that supplies driving power to the high-frequency voltage generating circuit. The center frequency acquiring unit acquires a center frequency at which a high-frequency high voltage applied to coupling electrode is minimized in a state in which a low load is applied to the secondary-side coupling electrode of the power receiving apparatus and the frequency of the generated high-frequency voltage is varied. The control unit sets a driving frequency of the high-frequency voltage generating circuit at or near the center frequency to supply power to the power receiving apparatus. | 2012-02-16 |
20120038219 | Wireless Energy Transfer with Anisotropic Metamaterials - Embodiments of the invention disclose a system configured to exchange energy wirelessly. The system includes a structure configured to exchange the energy wirelessly via a coupling of evanescent waves, wherein the structure is electromagnetic (EM) and non-radiative, and wherein the structure generates an EM near-field in response to receiving the energy; and an anisotropic metamaterial arranged within the EM near-field such that the coupling is enhanced. | 2012-02-16 |
20120038220 | WIRELESS POWER TRANSMISSION APPARATUS AND TRANSMISSION METHOD THEREOF - Disclosed herein are a wireless power transmission apparatus and a transmission method thereof. The wireless power transmission apparatus is configured to include a wireless power transmitter generating a wireless power signal to be wireless transmitted, wirelessly transmitting the generated wireless power signal by a magnetic resonance manner, receiving a reflection wireless power signal to determine whether or not a load apparatus is presented, and supplying power to the load apparatus; and a wireless power receiver connected to the load apparatus and receiving the transmitted wireless power signal by the magnetic resonance manner and supplying it to the connected load apparatus and reflecting the remaining wireless power signal to the wireless power transmitter, whereby a transmission apparatus can recognize a receiving environment and resonance characteristics are improved, without a separate communication device or a system. | 2012-02-16 |
20120038221 | ELECTRONIC CORRECTION UNIT - The present invention relates to a device for power factor correction and electrical wide band filtering in electrical systems for reducing considerably voltages of frequencies higher than 110 Hz on power systems rated for 10 Hz to 60 Hz and to improve power factor by injecting reactive power into the system. The device of the present invention provides a combination of inductors and capacitors which effectively corrects the power factor and filters out voltages of high frequencies. | 2012-02-16 |
20120038222 | Self-Matching Pulse Generator with Adjustable Pulse Width and Pulse Frequency - Pulse-generator circuits that permit independent control of pulse widths and the delays between successive pulses. In several embodiments, a pulse-generator subcircuit includes a transmission-line segment comprising first and second conductors, configured such that the first conductor is coupled to a first DC potential. The pulse-generator subcircuit further includes a terminating resistor coupled to a first end of the second conductor of the first transmission-line segment; this terminating resistor is matched to the characteristic impedance of the transmission-line segment. The pulse-generator subcircuit further includes first and second switches, controlled by first and second timing signals, respectively, and configured to selectively and independently connect respective first and second ends of the first conductor to a second DC potential. This second potential may be ground, in some embodiments, while the DC potential supplied to the pulse-generator subcircuit by the power-supply subcircuit may range from a very small voltage to voltages exceeding a kilovolt. | 2012-02-16 |
20120038223 | POWER SUPPLY SYSTEM AND FIXED AND MOVABLE BODY THEREFOR - Provided is a power supply system which makes it possible to stably supply power regardless of changes in placement of electrodes. The power supply system for supplying power to a load ( | 2012-02-16 |
20120038224 | CIRCUIT ARRANGEMENT AND METHOD FOR SUPPLYING A HIGH-POWER FUNCTIONAL COMPONENT WITH HIGH-VOLTAGE PULSES - A circuit arrangement for supplying a high-power functional component with high-voltage pulses, having two input terminals for applying an input voltage, two output terminals for connection to a high-voltage terminal contacts of the high-power functional component, a plurality of charge storage modules, which each contain a capacitive element, and which are connected in series via at least one first switching device to the input terminals and via at least one second switching device to the output terminals, and a control device for activating the individual charge storage modules and the first and second switching devices. The charge storage modules and the control device are implemented such that in a charging phase, the first switching device is closed and the capacitive elements of the charge storage modules are connected successively individually or in groups in series to a charging voltage, then in a discharging phase the first switching device is opened and the charge storage modules are disconnected from the charging voltage and the second switching device is closed and at least a part of the capacitive elements of the charge storage modules are discharged, if a high-power functional component is properly connected to the output terminals, to form a voltage pulse. Furthermore, set forth is a method for supplying a high-power functional component with high-voltage pulses. | 2012-02-16 |
20120038225 | Vertical Bus Disconnect - A vertical bus disconnect for Motor Control Center Sections. The invention removes/opens a connection between the horizontal bus and vertical bus when it is in the OPEN or OFF state. The invention creates/closes a connection between the horizontal bus and vertical bus when it is in the CLOSED or ON state. In either the OPEN/OFF state or the CLOSED/ON state, the invention does not cause an interruption of power flow along the horizontal bus. The purpose of the invention is to allow for an isolating of buckets within a given motor control center section from power without interrupting power along the horizontal bus. This invention is an improvement to the commonly used motor control center section. | 2012-02-16 |
20120038226 | SYSTEMS AND METHODS FOR MONITORING PILL TAKING - Systems and methods are disclosed for operating electronic components in a device by separating the devices into a high power group and a low power group; constantly powering the low power group; providing a movable device coupled to power when the device is moved; and providing power to the high power group when the device is moved. | 2012-02-16 |
20120038227 | SEMICONDUCTOR ASSISTED DC LOAD BREAK CONTACTOR - An electrical switch apparatus for use in connecting and disconnecting a DC power source and a load includes first and second pairs of controllable electromechanical contacts coupled to the DC power source and the load for connecting the power source to the load when the contacts are closed, and disconnecting the power source from the load when the contacts are open. A controller is coupled to the electromechanical contacts and programmed to produce control signals for opening and closing the contacts. A diode is coupled to the electromechanical contacts to prevent electrical current from flowing from the load to the power source, and a controllable semiconductor switch is coupled to the controller and across the power source for momentarily short circuiting the source in response to a control signal indicating a transition of either or both of the first and second pairs of electromechanical contacts from a closed condition to an open condition. | 2012-02-16 |
20120038228 | LINEAR MOTOR WITH REDUCED FORCE RIPPLE - To further reduce force ripple of a linear motor, a primary part has a plurality of windings sequentially arranged in an axial direction and subdivided in the axial direction into groups having an identical number of windings. The sequence of the association of the windings with the phases of a multi-phase system is not repeated at least in a group of windings within the primary part as long as the winding sense of the corresponding windings in the group is maintained. | 2012-02-16 |
20120038229 | MOTOR AND ELECTRICAL EQUIPMENT EQUIPPED WITH SAME - A motor includes a stator having a stator iron-core on which a winding is wound, a rotor having a rotary body holding a permanent magnet opposed to the stator along a circumferential direction and a shaft joined to the rotary body such that it extends through the rotary body at the center, bearings supporting the shaft, two conductive brackets for fixing the bearings, and a printed circuit board on which a drive circuit for driving the winding is mounted. A dielectric layer is provided between an outer wall of the rotary body and the shaft, the two brackets are electrically connected together, and a capacitor is connected between the stator iron-core and the brackets for adjusting impedance. | 2012-02-16 |
20120038230 | ROTATING ELECTRIC MACHINE AND PRODUCTION METHOD FOR ROTATING ELECTRIC MACHINE - A rotating electric machine includes: a stator in which a stator coil is mounted to a plurality of slots formed on a stator core; and a rotor that is rotatably disposed inside the stator. A slot groove, having a predetermined depth and a predetermined width from an end face of the stator core and forming a space between the stator coil and the stator core, is formed around each of the plurality of slots. The stator coil includes a straight-shaped straight section which is inserted into the slot and is provided with an insulating material, and a coil end section which extends outside of the slot and is bent at a same height as the end face of the stator core. | 2012-02-16 |
20120038231 | MOTOR DEVICE - Provided is a motor device in which the entire length of a motor can be shortened as much as possible while the positional deviation of a shaft in a thrust direction is prevented and a shaft length sufficient to suppress the inclination of the shaft can be ensured. A motor device provided with a shaft with a rotor fixed on the outer surface thereof, and a thrust pressurization unit that supports an end opposite the output side of the shaft while pressurizing the end in an axial direction may be configured so that the thrust pressurization unit may be provided with a coil spring that pressurizes the end opposite the output side of the shaft in the axial direction and the thrust pressurization unit may be disposed inside the rotor. | 2012-02-16 |
20120038232 | AXIAL MAGNETIC SUSPENSION - The present invention generally relates to an apparatus and method for axially supporting a shaft. In one aspect, a magnetic suspension system for supporting a shaft in a housing is provided. The magnetic suspension system includes an array of magnet members disposed between the shaft and the housing. The array of magnet members comprising a first magnet member, a second magnet member, and a third magnet member, wherein the first magnet member and the second magnet member generate a first force that is substantially parallel to a longitudinal axis of the shaft and the second magnet member and the third magnet member generate a second force that is substantially parallel with the longitudinal axis of the shaft The first force and the second force are configured to position the shaft axially within the housing. In another aspect, a method of supporting a shaft along a longitudinal axis of a housing is provided. In a further aspect, a suspension system for supporting a shaft in a housing is provided. | 2012-02-16 |
20120038233 | MAGNETIC BEARING, A ROTARY STAGE, AND A REFLECTIVE ELECTRON BEAM LITHOGRAPHY APPARATUS - A magnetic bearing ( | 2012-02-16 |
20120038234 | COMPACT HIGH POWER ALTERNATOR - An apparatus for converting between mechanical and electrical energy, particularly suited for use as a compact high power alternator for automotive use and “remove and replace” retrofitting of existing vehicles. Various aspects of the invention provide a means of significantly increasing the output of permanent magnet alternators while addressing the issues of radial loading applied to a permanent magnet alternator rotor. Another aspect of the invention allows for the production of power in two discrete voltages. An aspect of this invention allows for a marked increase in output capability without increasing axial length through the use of magnetic fringing. One aspect of the invention offers an effective means of mounting a skewed stack that eliminates or reduces cogging that is present in a permanent magnet machine without negatively impacting airflow. Another aspect of the invention reduces cogging by radially offsetting opposing magnets of a dual rotor permanent magnet machine. | 2012-02-16 |
20120038235 | SPINDLE MOTOR - Disclosed herein is a spindle motor including: a rotating part including a hub coupled to a rotating shaft and a magnet coupled to the hub; and a fixing part including a sleeve supporting the rotating shaft and an armature facing the magnet, wherein the magnet has a contact part formed on an upper end portion thereof in a direction of the rotating shaft, the contact part partially contacting a lower end portion of the hub. | 2012-02-16 |
20120038236 | Permanent Magnet Rotating Electric Machine and Electric Car Using the Same - A permanent magnet rotating electric machine comprises a stator having stator windings wound round a stator iron core and a permanent magnet rotor having a plurality of inserted permanent magnets in which the polarity is alternately arranged in the peripheral direction in the rotor iron core. The rotor iron core of the permanent magnets is composed of magnetic pole pieces, auxiliary magnetic poles, and a stator yoke, and furthermore has concavities formed on the air gap face of the magnetic pole pieces of the rotor iron core of the permanent magnets, gently tilting from the central part of the magnetic poles to the end thereof. In a permanent magnet rotating electric machine, effects of iron loss are reduced, and an electric car using highly efficient permanent magnet rotating electric machine are realized. | 2012-02-16 |
20120038237 | BRUSHLESS MOTOR - A brushless motor has a stator and a rotor. The stator has a stator core and stator windings. The stator core has a stator yoke and teeth extending radially inwardly from the stator yoke. The stator windings are formed by concentrated coils wound on the teeth. The rotor has a rotor shaft, a rotor core fixed to the rotor shaft and magnets fixed in slots formed in the rotor core. Each magnet is plate shaped and extends in both axial and radial directions of the rotor and each magnet is magnetically charged across its thickness so that a rotor pole is formed between two adjacent magnets. The ratio of the radial thickness (Y) of the stator yoke to the width (T) of the tooth body is from 0.4 to 0.7. | 2012-02-16 |
20120038238 | AC Generator for Vehicle - A vehicular AC generator includes: a rotor ( | 2012-02-16 |
20120038239 | DRY MICA TAPE AND INSULATION COILS MANUFACTURED THEREWITH - A dry mica tape includes a base material, a binder resin layer A formed on the base material and including an epoxy resin and an accelerator, a mica paper layer formed in contact with the binder resin layer A, and a binder resin layer B formed in contact with the mica paper layer, including an epoxy resin, and providing a cured resin with a higher glass transition point than that of a cured resin of an impregnating varnish only by reacting with an impregnating varnish including an epoxy resin impregnated into the dry mica tape wound around a conductor. | 2012-02-16 |
20120038240 | FUEL PUMP AND METHOD OF MAKING THE SAME - A fuel pump includes a pump part, a motor part, two brushes, two pigtails, and an urging member. Each pigtail is made of a linear conductive member and includes one end portion electrically and mechanically connected to its corresponding brush. The urging member includes one end engaged with a motor casing, and the other end pressing and urging each brush against a commutator from its other axial end face. A distance between an inclined surface of the brush and a sliding surface of the commutator in an axial direction of the brush becomes longer toward a rear side of the brush in a rotation direction of the commutator. A side surface of each brush and an inner wall of the motor casing, which defines two brush accommodating chambers, define a clearance therebetween. Each pigtail includes an extension portion extending from its one end portion toward the rear side in the rotation direction of the commutator. | 2012-02-16 |
20120038241 | DEVICE FOR AXIAL TENSIONING OF A STATOR COIL OF AN ELECTRICAL MACHINE - An apparatus axial stresses a stator winding of an electrical machine, the winding including a plurality of winding bars, the ends of the winding bars passing axially out of a core of a stator and forming a widened end winding at least one axial end face of the core. A plurality of winding supports is distributed circumferentially and substantially at a right angle with respect to the end winding on the at least one axial end face of the core. At least one axially acting compression spring device is configured to support the plurality of winding supports on the at least one axial end face of the core and to axially stress the plurality of winding supports. A readjusting device communicates with at least one of the plurality of winding supports and has an axially adjustable contact surface, the at least one axially acting compression spring device being axially supported on the core and on the axially adjustable contact surface of the readjusting device. | 2012-02-16 |
20120038242 | ULTRASONIC PROBE AND ULTRASONIC IMAGING APPARATUS - Artifacts due to lateral wave that occurs in a substrate of a Capacitive Micro-machined Ultrasonic Transducer is reduced. The substrate thickness of the ultrasonic transducer is set in an optimum range to efficiently radiate the energy of lateral wave in the sensitive band | 2012-02-16 |
20120038243 | HIGH EFFICIENCY 4-PI NEGATRON BETA-3 PARTICLE EMISSION SOURCE FABRICATION AND ITS USE AS AN ELECTRODE IN A SELF-CHARGED HIGH-VOLTAGE CAPACITOR - The present invention is directed to an encapsulated β | 2012-02-16 |
20120038244 | PIEZOELECTRIC VIBRATION DEVICE, METHOD OF MANUFACTURING THE SAME, AND METHOD OF ADJUSTING RESONANT FREQUENCY - A method of manufacturing a piezoelectric vibration device having a surface acoustic wave element includes a step of forming a functional film adapted to increase a velocity of a wave on a surface of the surface acoustic wave element. Further, the Young's modulus of the functional film is higher than the Young's modulus of each of the excitation electrode and the piezoelectric body, and the density of the functional film is lower than the density of each of the excitation electrode and the piezoelectric body. Thus, it is possible to develop the frequency rise due to the elastic modulus rise while suppressing the influence of the frequency drop due to the mass attachment effect to thereby raise the resonant frequency of the surface acoustic wave element. | 2012-02-16 |
20120038245 | Smart Material Actuator Adapted for Resonant Operation - A smart material actuator having a fixed supporting member, mechanical web, actuating arm, and piezoelectric or smart material stack is disclosed, together with a sensor adapted to indicate the degree of motion of the actuating arms and controller adapted to allow safe operation of the actuator in resonant conditions. Methods of maintaining resonant operation, avoiding resonant operation, and adjusting resonant frequencies are also disclosed. | 2012-02-16 |
20120038246 | ULTRASONIC MOTOR - An ultrasonic motor includes a transducer configured to be assembled as one unit by a piezoelectric device, a holding member, and a friction contact member, a hollow rotor configured to contact the friction contact member, the rotor rotating around a shaft in a direction perpendicular to a plane direction of a elliptical vibration generating surface when a driving force is transmitted to the rotor from the friction contact member, a driving force transmitting member configured to be adhesively fixed to the rotor and which rotates together with the rotor, a case member configured to have a positioning groove to position the transducer and configured to house the transducer, and a press member configured to press the transducer housed in the case member toward the rotor. The holding member comes into line contact or point contact with the positioning groove when the case member houses the transducer. | 2012-02-16 |
20120038247 | ULTRASONIC MOTOR - An ultrasonic motor includes a transducer configured to be assembled as one unit by a piezoelectric device, a holding member, and a friction contact member, a hollow rotor configured to contact the friction contact member, a first driving force transmitting member, a press member and a support mechanism. The support mechanism includes a second driving force transmitting member, a transmission shaft bearing having an inner ring in which the second driving force transmitting member is fitted, and a bearing support member configured to be disposed in the upper surface of the case member, the bearing support member supporting the transmission shaft bearing so that the second driving force transmitting member is drivable together with the first driving force transmitting member and so that the transmission shaft bearing is drivable. | 2012-02-16 |
20120038248 | ULTRASONIC TRANSDUCER FOR USE IN A FLUID MEDIUM - An ultrasonic transducer for use in a fluid medium includes at least one piezoelectric transducer element, at least one matching body for the promotion of a vibrational coupling between the piezoelectric transducer element and the fluid medium, and at least one compensating body situated between the piezoelectric transducer element and the matching body for the reduction of thermal stresses, the compensating body having a coefficient of thermal expansion that is between a coefficient of thermal expansion of the piezoelectric transducer element and a coefficient of thermal expansion of the matching body. | 2012-02-16 |
20120038249 | NOVEL RESPONSIVE POLYMER SYSTEM AND NANOHYBRID THIN FILMS - This disclosure discloses novel responsive polymers that comprise a rod segment and (or) a coil segment. This disclosure also discloses nanomaterial-polymer composite comprising the responsive polymers that are covalently linked with nanomaterials. Also disclosed are polymeric transducer materials and sensor systems that comprise the nanomaterial-polymer composite. | 2012-02-16 |
20120038250 | WIND ENERGY GENERATOR USING PIEZOELECTRIC MATERIAL AND AUXILIARY MECHANISM THEREOF - A wind energy generator using a piezoelectric material and an auxiliary mechanism thereof are disclosed. The wind energy generator comprises the auxiliary mechanism and the piezoelectric material. The auxiliary mechanism comprises a wind collecting device and a wind driving device. The wind collecting device is used for collecting a wind and increasing the wind speed. The wind driving device cooperates with the wind collecting device to receive the wind. The piezoelectric material contacts with the wind driving device. When the wind collecting device receives the wind, the piezoelectric material is vibrated by the wind via the wind driving device to generate an electric power. | 2012-02-16 |
20120038251 | FLEXURAL VIBRATION ELEMENT AND ELECTRONIC COMPONENT - A flexural vibration element includes: a plurality of vibrating arms provided in parallel with each other; a connecting part connecting the vibrating arms; and one central supporting arm extending between the vibrating arms from the connecting part in parallel with the vibrating arms at equal distance from the arms. In the flexural vibration element, the connecting part has a groove formed on each of front and rear surfaces thereof, and the groove is provided in an area of the connecting part in which compressive stress and tensile stress due to flexural vibration of the vibrating arms alternately occur at a vibrating arm side and an opposite side of the vibrating arm side, in a width direction of the vibrating arms. | 2012-02-16 |
20120038252 | MOUNTING APPARATUS FOR POWER SUPPLY - A mounting apparatus includes a computer case and a supporting member. The computer case includes a bottom plate and a rear plate connected to the bottom plate. An opening is defined in the rear plate. A positioning assembly extends from an edge of the opening for positioning a power supply. The positioning assembly includes a first positioning panel substantially perpendicular to the bottom plate, and a second positioning panel substantially parallel to the bottom plate. The supporting member is attached to the bottom plate. A first retaining piece is disposed on the supporting member. The first retaining piece is substantially perpendicular to the bottom plate, for sustaining the power supply. The first positioning panel and the first retaining piece are located in a same plane, and the second positioning panel is attached to a top panel of the power supply. | 2012-02-16 |
20120038253 | OVERHEAD LUGGAGE COMPARTMENT - The invention relates to an overhead luggage compartment, in particular, for a vehicle cabin, in which a ledge ( | 2012-02-16 |
20120038254 | OVERHEAD LUGGAGE COMPARTMENT - The invention relates to an overhead luggage compartment, in particular for a vehicle cabin, in which a ledge ( | 2012-02-16 |
20120038255 | EJECTION DEVICE FOR A MOVABLE FURNITURE PART - The invention relates to an arrangement for locking and ejecting a movable furniture part, comprising two unlockable ejection devices arranged on both sides of a furniture body or on the movable furniture part, and spring-loaded ejectors, wherein the unlockable ejection devices comprise a catch element mounted on a linearly displaceable carriage, the catch element engaging into a slotted guide path having the shape of a heart curve and by which the movable furniture part can be held in a closed latching position (E) via a locking element. According to the invention, this latching position (E) can be released by overpressing the movable furniture part towards the interior, wherein the linearly displaceable carriages of the two unlockable ejector devices are motionally coupled via a rotatable synchronization rod. | 2012-02-16 |
20120038256 | DEVICE FOR MOUNTING AND LOCKING A CASING TO A SUSPENSION - A device for mounting an locking a casing to a suspension includes a first portion arranged to engage a first side of the suspension, a second portion effectively connected to the first portion and a locking element arranged on the second portion at a distance from the first portion, wherein the distance is such that the locking element engages a second side of the suspension at least when the first portion disengages the first side of the suspension, wherein the locking element is biased in the direction of the suspension. | 2012-02-16 |
20120038257 | Refrigerator - Disclosed herein is a refrigerator including a main body provided with storage chambers, doors rotatably installed at sides of the main body to open and close the storage chambers, an opening provided on any one of the doors, a sub-door to open and close the opening, and a locking device to maintain a state in which the opening is closed by the sub-door. At least a part of the locking device is embedded in a region of the door adjacent to the upper portion of the opening, thereby minimizing the width of a sub-door support part provided at the opening to support the rear surface of the sub-door. | 2012-02-16 |
20120038258 | Refrigerator - Disclosed herein is a refrigerator including a main body provided with storage chambers, doors to open and close the storage chambers, upper hinge modules to enable one side of the upper end of each door to be rotatably installed on the main body. Main body hinge receipt parts are depressed on the upper surface of the main body to embed rear ends of the upper hinge modules in the upper surface of the main body and door hinge receipt parts are depressed on the rear surfaces of the doors to receive front ends of the upper hinge modules, and thus the main body is located at a height corresponding to the height of the doors, thereby allowing the main body provided with the storage chambers having a wider volume to be used in the refrigerator having a designated height. | 2012-02-16 |
20120038259 | Refrigerator - Disclosed herein is a refrigerator including a main body provided with storage chambers, doors to open and close the storage chambers, and lower hinge modules to enable one side of the lower end of each door to be rotatably installed on the main body. The main body includes a main frame integrally forming a lower surface and both side surfaces of the main body and the rear ends of the lower hinge modules are installed on the outer lower surface of the main frame, and thus the thickness of the lower end of the main body is minimized, thereby maximizing the storage capacity of the main body having a designated height as far as a heat insulating ability is not lowered. | 2012-02-16 |
20120038260 | LAMP ENVELOPE AND LED LAMP USING THE SAME - An LED lamp includes a lamp holder, a heat sink, a light source and an envelope. The lamp holder is configured for electrically connecting with a power source. The heat sink is connected to the lamp holder. The light source is mounted on the heat sink. The envelope is mounted on the heat sink and covers the light source. The envelope has a light incident surface and a light output surface opposite to the light incident surface. A plurality of lens are formed on the lamp envelope and configured for collecting light rays generated by the light source. | 2012-02-16 |
20120038261 | HEAT-DISSIPATING STRUCTURE AND LIGHTING MODULE HAVING THE SAME - A heat-dissipating structure of lighting includes a main body having a plurality of side surfaces; at least one heat pipe connecting to the main body, wherein each heat pipe has a hot end embedded in the main body and a cold end having a contacting surface; and at least one external heat sink mating to the contacting surface. The instant disclosure also provides a lighting module having said heat-dissipating structure. | 2012-02-16 |
20120038262 | COMPOSITE CERAMIC ELECTRODE AND IGNITION DEVICE THEREWITH - A spark plug, center electrode and method of construction is provided. The spark plug has a generally annular ceramic insulator and a conductive shell surrounding at least a portion of the ceramic insulator. A ground electrode is operatively attached to the shell, with the ground electrode having a ground electrode sparking surface. A center electrode has an elongate body with a center electrode sparking surface. The center electrode sparking surface and the ground electrode sparking surface provide a spark gap. The center electrode body is constructed of a composite material including at least one ceramic material. | 2012-02-16 |
20120038263 | SPARK PLUG - A spark plug includes a center electrode extending in an axial direction; an insulator formed externally of the outer circumference of the center electrode; a metallic shell formed externally of the outer circumference of the insulator and having a ledge which supports the insulator; and a ground electrode joined to the metallic shell. The insulator has a support portion which faces the ledge. A “frontward direction” is defined as the direction parallel to the axial direction toward a spark portion formed between the center electrode and the ground electrode. The insulator has a diameter reduction portion whose outside diameter reduces along the frontward direction from the support portion, and a diameter increase portion whose outside diameter increases along the frontward direction from the front end of the diameter reduction portion. This restrains the generation of leak current while maintaining heat resistance of the spark plug. | 2012-02-16 |
20120038264 | Novel Carbazole Derivatives and Organic Light-Emitting Diode Device Using the Same - The present invention relates to novel carbazole derivatives and an organic light-emitting diode device using the same. These carbazole derivatives can simultaneously or singly be used as a hole transporting layer, a host or guest of an emitting layer or an electron transporting layer of an organic light-emitting diode device. | 2012-02-16 |
20120038265 | ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE - An organic electroluminescence display device includes a plurality of pixels each of which includes at least one organic electroluminescence device and a lens. Each pixel includes a light emitting region provided with a lens and a light emitting region provided with no lens. An area of the light emitting region provided with a lens is smaller than an area of the light emitting region provided without a lens. | 2012-02-16 |
20120038266 | ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE - An organic electroluminescence display device includes a plurality of pixels and an array of lenses arranged thereupon. Each pixel includes a light emitting region provided with a lens and a light emitting region provided without a lens. The light emitting regions of each pixel includes an organic electroluminescence material. The lenses are arranged in a staggered pattern. | 2012-02-16 |
20120038267 | ORGANIC EL DEVICE, METHOD OF PRODUCING ORGANIC EL DEVICE, AND ELECTRONIC APPARATUS - An organic EL device includes a substrate, an organic EL element that is formed on the substrate and is provided with a first electrode, a light emitting functional layer, and a second electrode having transparent conductivity to emit light to the second electrode side, a color filter that is formed on the second electrode side in a pixel area where the organic EL element emits the light, and a partition that is formed in a light shielding area that is an area other than the pixel area. The color filter is provided with any one of a red color filter, a green color filter, and a blue color filter. At least one color filter of the three color filters constitutes at least a part of the partition. | 2012-02-16 |
20120038268 | LED PACKAGE - A LED package includes a LED chip, a first phosphor layer, a second phosphor layer, a transparent adhesive and a lens. The lens includes an inner surface and an exterior surface. The first phosphor layer is mounted on the LED chip. The transparent adhesive is filled between the LED chip and the lens. The second phosphor layer is mounted on one of the inner surface and the exterior surface of the lens. Each of the first phosphor layer and the second phosphor layer is of one color. | 2012-02-16 |
20120038269 | MANUFACTURING METHOD OF LIGHT EMITTING DEVICE AND MANUFACTURING DEVICE THEREOF - The present invention provides a structure in which a pixel region | 2012-02-16 |
20120038270 | XENON FLASH LAMP - A pulsable light source for a spectroscopy instrument is provided, the light source including a xenon flash lamp having an anode and a cathode within a sealed envelope of pressurized xenon gas, the anode and the cathode being spaced so that an arc can be struck between the anode and the cathode without the use of a trigger electrode. | 2012-02-16 |
20120038271 | LED BULB AND METHOD FOR MANUFACTURING THE SAME - An LED bulb includes a heat sink, a circuit, an LED, and a driving module. The heat sink includes a base, a tube extending downwardly from a first face of the base, and a plurality of fins extending outwardly from an outer circumference of the tube. The circuit is formed on a second face of the base, and the LED is disposed on the second face of the base and electrically connected with the circuit. The LED bulb further includes a first lead and a second lead electrically connecting with the circuit and extending through the base. The driving module includes a first electrode, and a second electrode electrically insulated from the first electrode and surrounding the first electrode. The first electrode of the driving circuit contacts with the first lead, and the second electrode of the driving circuit contacts with the second lead. | 2012-02-16 |
20120038272 | Led and thermal management module for a vehicle headlamp - The LED headlamps for vehicles provide a modular efficient light source for vehicle headlamps. The invention addresses the LED negative temperature coefficient in efficient heat removal system. Beam direction and pattern is controlled by its composite lens beam shaping mechanism. The beam targeting using the LED source is done through beam shaping via lens surface shaping, lens curvature contouring and composite lens component offsetting from the LED source or outgoing beam axis to direct the light beam. | 2012-02-16 |
20120038273 | Fluorescent illumination device - An illumination device having an elongate bulb and an outer casing substantially coextensive with the bulb and surrounding the same. The elongated bulb is a CCFL which generally has a glass bead containing an iron electrode embedded in the center and attached to both ends thus sealing the elongate bulb. The end of the CCFL bulb will have the iron electrode bent over and in contact with an outside surface of the bulb and then have a coil spring connector arranged over the end of the bulb. The coil spring connector contacts the iron electrode thus allowing for electricity to flow through the coil spring connector to the iron electrode and the associated electronic circuitry needed to operate the CCFL bulb. | 2012-02-16 |
20120038274 | Multi-Mode Photo-Controlled Light With Timer Circuit - A photo-controlled light includes an electrical power input port configured to receive electrical power, a light emitting unit that is connected to the electrical power input port and a photosensitive timer module that connects the light emitting unit to the electrical power input port. The photosensitive timer module includes a photosensitive switch unit including a photosensitive element that is configured to detect a light level that satisfies a luminosity threshold value. The photosensitive timer module also includes a control switch and a timing switch unit. The timing switch unit is coupled to the photosensitive switch unit and is configured to only connect only the electrical power input port to the light emitting unit for a conduction time frame responsive to the photosensitive switch unit detecting that the light level is less than the luminosity threshold value so that the photosensitive timer module transmits electricity during the conduction time frame when the luminosity detected by the photosensitive element is less than the luminosity threshold value. The control switch has a first mode that connects the photosensitive switch unit and the timing switch unit to the electrical power input port and a second mode that connects the electrical power input port to the light emitting unit without passing through the photosensitive switch unit or the timing switch unit so that electricity is transmitted to the light emitting device regardless of the light level detected by the photosensitive switch unit. | 2012-02-16 |
20120038275 | METHOD FOR CHANGING THE STATUS OF LIGHT SEGMENTS IN A LIGHTING SYSTEM, LIGHT SEGMENT FOR THE LIGHTING SYSTEM, AND LIGHTING SYSTEM - The invention is based on the object of improving the installation and maintenance of lighting systems and of presenting a light segment and a lighting system which are adapted thereto in terms of design. This object is achieved by a method for changing the status of light segments | 2012-02-16 |
20120038276 | DISCHARGE LAMP BALLAST, LIGHTING UNIT, AND VEHICLE - A discharge lamp ballast includes a DC-DC converter circuit configured to convert a voltage of a DC power supply by a switching operation of a switching element based on a PWM signal and to output a DC power, an inverter circuit configured to invert the DC power into an AC power, and a PWM ON-width control circuit configured to control switching conditions of the switching element in the DC-DC converter circuit immediately before a polarity of the AC power is reversed such that an ON-width of the PWM signal is increased from a start of a polarity reversal so as to increase the DC power in a predetermined period. The polarity of the AC power of the inverter circuit is reversed in synchronism with a switching timing of the switching element immediately after the control by the PWM ON-width control circuit to increase the ON-width. | 2012-02-16 |
20120038277 | POWER SUPPLY CONTROL DEVICE, PLASMA PROCESSING DEVICE, AND PLASMA PROCESSING METHOD - According to one embodiment, a power supply control device of a plasma processing device having a plasma generation unit which generates plasma in a process chamber. The power supply control device includes a radio frequency power supply, a storage unit, and a matching circuit. The radio frequency power supply supplies a power to the plasma generation unit. The storage unit stores matching information including a first matching value, a second process condition, and a third matching value. The first matching value corresponds to process information of a first process condition. The second matching value corresponds to process information of a second process condition. The third matching value corresponds to process information of a transient state where the first process condition is being switched to the second process condition. The matching circuit matches impedances based on the matching information. | 2012-02-16 |
20120038278 | ELECTRONIC INVERTER WITH PROTECTION FOR DISCHARGES PRODUCED BY MALFUNCTIONING IN GAS DISCHARGE OR FLUORESCENT LAMPS AT THE END OF THE SERVICE LIFE THEREOF - A full-wave electronic inverter for supplying one or more low-pressure gas discharge or fluorescent lamps, which inverter is protected by a circuit containing a small tubular core saturable transformer which has the inductive reactance necessary and sufficient for deflecting, from the circuit thereof, the asymmetrical waves which are at a frequency higher than the frequencies stipulated by design and are produced by said lamps at the end of the service life thereof, preventing the inverter from burning out, as occurs with inverters of that type which do not have said circuit which also enables the situation in which, although the inverter is still being connected to the supply circuit, the inverter does not consume energy, even though said lamp or lamps is/are connected to the circuit thereof, until said lamps are replaced with new lamps. This inverter has a starting button which is used to deenergize the inverter each time the latter operates for the first time with new lamps. | 2012-02-16 |
20120038279 | LIGHT ADJUSTABLE TABLE LAMP AND THE LIGHT AUTO ADJUST METHOD THEREOF - The light adjustable table lamp includes a base, a stand pole, lighting equipment, optical sensor, a keyboard, a single-chip and a drive. The lower end of the stand pole is disposed in the rear of the base, and the upper end of the stand pole is equipped with a pendulum. The lighting equipment is disposed in the front of the pendulum. The optical sensors A and B are disposed on the top surface in front of the base. The three input ports of the single-chip joints to the keyboard, the optical sensors A and B separately. The single-chip controls the drive to supply energy to the lighting equipment according to the comparison of the real time light intensity of the user reading area and the light intensity setting value from the keyboard, maintaining the light intensity of the user reading area in the setting level. | 2012-02-16 |
20120038280 | HIGH COLOUR QUALITY LUMINAIRE - A colour tunable lighting module is described which includes at least three solid state lighting emitters (such as light emitting diodes) and at least two wavelength converting elements (such as phosphors). The three solid state lighting emitters are formed of the same semiconductor material system and the light generated by them has dominant wavelengths in the blue-green-orange range of the optical spectrum. The two wavelengths converters are used re-emit some of the light from two of the emitters in broader spectra having longer dominant wavelengths, while the third emitter is selected to emit light at a wavelength between the dominant wavelengths of the light from the two emitters and the two converters. A control system may be employed to monitor and control the module and the lighting module can be optimised for tunable high colour quality white light applications. | 2012-02-16 |
20120038281 | OUTDOOR LIGHTING FIXTURES CONTROL SYSTEMS AND METHODS - One embodiment of the invention relates to a system for operating a plurality of streetlights in response to motion from a vehicle. The system includes a sensor associated with at least one of the streetlights and configured to detect the presence of a moving vehicle and to provide a signal representative of the moving vehicle. The system further includes a radio frequency transceiver associated with each of the streetlights. The system yet further includes processing electronics configured to receive the signal representative of the moving vehicle from the sensor and to cause the radio frequency transceiver to transmit a command to one or more of the plurality of the streetlights to change lighting states along a pathway for the vehicle. | 2012-02-16 |
20120038282 | SOLAR POWER SUPPLY DEVICE - A solar power supply device includes a solar panel and a rechargeable battery. The solar panel is configured to collect and convert optical energy to electrical energy. The solar power supply device further includes an e-paper display unit, a charging connection connecting to a rechargeable device. A detecting unit detecting the charging state information of the rechargeable device via the charging connection, a light-operated unit detecting ambient illumination intensity, and a processing unit for controlling the e-paper display unit to display charging states information obtained from the detecting unit and the ambient illumination intensity detected by the light-operated unit. | 2012-02-16 |
20120038283 | LIGHT EMITTING DIODE DRIVING SYSTEM AND CIRCUIT THEREOF - The present invention relates to a light emitting diode (LED) driving system and a circuit thereof. The LED driving circuit is configured to control a direct voltage converter configured to generate a regulated output voltage to an input terminal of an LED array. The LED array has a plurality of LED sets. The LED driving circuit includes a plurality of current sources, a comparison circuit and a current setup circuit. The plurality of current sources are connected to a plurality of output terminals of the LED array, and are configured to provide a current flowing through the plurality of LED sets. The comparison circuit is connected to a plurality of output terminals of the LED array, and is configured to generate an analog or digital feedback signal representing a status of the supply voltage for the LED array. The current setup circuit is configured to set up the initial current value of the current sources. The direct voltage converter regulates is the output voltage by taking into consideration the feedback signal. | 2012-02-16 |
20120038284 | LIGHTING DEVICE AND LIGHTING SYSTEM - Provided is a lighting device which can be dimmed and subjected to change in color temperature of the lighting color in accordance with a dimming level. To the lighting device, AC power under phase-controlled is supplied. The lighting device is provided with a light emitting elements array and a switching unit. The light emitting elements array includes a plurality of light emitting elements, which are two or more types of light emitting elements having different lighting colors. The switching unit switches an electrical connections between the light emitting elements included in the light emitting elements array so as to change the number of light emitting elements inserted in series to a power supply path and the proportion of numbers of light emitting elements per lighting color among the number of the inserted light emitting elements in accordance with a voltage supplied to the light emitting elements array. | 2012-02-16 |
20120038285 | LED SWITCH CIRCUITRY FOR VARYING INPUT VOLTAGE SOURCE - An LED array switching apparatus, comprises: a plurality of LED segments D | 2012-02-16 |
20120038286 | DRIVE CIRCUIT FOR A COLOR TEMPERATURE TUNABLE LED LIGHT SOURCE - A drive circuit for a color temperature tunable LED light source. An apparatus includes a current driver configured to output a first drive current to drive a first group of LED chips of the light source to emit first color temperature light and to output a second drive current to drive a second group of LED chips of the light source to emit second color temperature light. The apparatus also includes a controller coupled to the current driver and configured to control the first and second drive currents so that the first color temperature light and the second color temperature light combine to produce a resulting light having a selected color temperature and a selected intensity value. | 2012-02-16 |
20120038287 | LIGHTING SYSTEM, DIMMING CONTROL APPARATUS AND DIMMING CONTROL METHOD - A lighting system, a dimming control apparatus, and a dimming control method are provided. The dimming control apparatus includes a control unit and a dimming driving unit. In response to a dimming command and a number, the control unit decodes the dimming command into a plurality of sub-dimming commands. The dimming driving unit has a plurality of output terminals for coupling to a plurality of lamp modules. According to the sub-dimming commands, the control unit controls the dimming driving unit to output a plurality of dimming driving signals corresponding to the lamp modules to adjust the brightness of each lamp module individually. | 2012-02-16 |
20120038288 | METHOD AND SYSTEM FOR EXTENDING PWM DIMMING RANGE IN LED DRIVERS - An apparatus for driving a light emitting diode (LED). A rising edge of a pulse width modulation (PWM) signal is first sensed. Upon sensing the rising edge, a threshold pulse (TP) signal is initiated that has a configured width started when the rising edge is sensed, an LED current with an amplitude at a previously set level is generated, and starting to charge a capacitor which yields a voltage Vcap. Subsequently, a falling edge of either the PWM signal or the TP signal is detected. Upon detecting the failing edge, the circuit stops charging the capacitor, samples, after a first delay from the detected falling edge, the voltage Vcap, and adjusts a level of the amplitude of the LED current based on the sampled voltage Vcap. When the falling edges of both the PWM and TP signal are detected, the LED current is terminated. | 2012-02-16 |
20120038289 | LED LAMP AND DRIVING CIRCUIT FOR THE SAME - An LED lamp driving circuit includes: a thermistor having one terminal through which an external voltage is applied; an AC-DC conversion unit connected to the other terminal of the thermistor and converting an AC voltage applied to the other terminal of the thermistor into a DC voltage; and a DC-DC conversion unit converting the DC voltage from the AC-DC conversion unit into a DC voltage required to drive the LED lamp. | 2012-02-16 |
20120038290 | METHOD AND APPARATUS FOR COMMON USE OF POWER SUPPLY AND DISPLAY APPARATUS USING THE SAME - An apparatus and a method for common use of a power supply and a display apparatus using the same are provided. The display apparatus includes a display panel, a backlight unit which provides backlight to the display panel, and a power supply unit for common use which comprises an adjusting circuit unit comprising a plurality of resistances, and provides a current of a magnitude corresponding to a combination state of the plurality of resistances to the backlight unit. Accordingly, the power supply apparatus for common use adjusts an output current easily and is commonly used for diverse display apparatuses, and thus a manufacturing process is efficiently improved. | 2012-02-16 |
20120038291 | COLOR TEMPERATURE TUNABLE LED LIGHT SOURCE - A color temperature tunable LED light source. An apparatus is provided that includes a substrate, a first group of LED chips mounted on the substrate and configured to produce first color temperature light having a first intensity value determined from a first drive current, and a second group of LED chips mounted on the substrate and configured to produce second color temperature light having a second intensity value determined from a second drive current, wherein the first color temperature light and the second color temperature light combine to produce light having a resulting color temperature and a resulting intensity value. | 2012-02-16 |
20120038292 | CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES - A driving circuit for driving a light source includes a converter and a dimming controller. The converter coupled to a power source is operable for receiving power from the power source and for providing regulated power to the light source according to control signals. The dimming controller coupled to the converter is operable for monitoring a power switch coupled between the power source and the converter, for receiving a color change signal indicating a first set of operations of the power switch and a dimming request signal indicating a second set of operations of the power switch, for controlling the control signals to change the color of the light source in response to the color change signal, and for controlling the control signals to adjust the brightness of the light source in response to the dimming request signal. | 2012-02-16 |
20120038293 | LED Lighting Device - An LED lighting device is described that comprises of a housing. The housing is capable of engaging with a leg of a table via a hole in the center of the housing. The housing also contains a first LED light source, a power source to power said first LED light. The LED lighting device can also have a second or multiple LED lighting sources housed within the housing. | 2012-02-16 |
20120038294 | Energy-Efficient Actuator System - What is described is an actuator system ( | 2012-02-16 |
20120038295 | METHOD FOR OPERATING A POLYPHASE MACHINE HAVING A PULSE-WIDTH-MODULATED INVERTER - A method for operating a polyphase machine having a pulse-width-modulated inverter, having the steps: determining a setpoint current value respectively for a current in the longitudinal direction and/or the transverse direction based on a specified torque, ascertaining a setpoint voltage value respectively for a voltage in the longitudinal direction and/or the transverse direction with the aid of the setpoint current value and/or of an actual current value determined at the pulse-width-modulated inverter, controlling and/or regulating the polyphase machine corresponding to the ascertained setpoint voltage value. In this context it is provided that, in addition, using a model, a model value is determined respectively for the voltage in the longitudinal direction and/or the transverse direction, the difference between the setpoint voltage value and the model value is ascertained, and in response to the exceeding of a specifiable maximum difference, an error signal is triggered. | 2012-02-16 |
20120038296 | CONTROLLABLE RECTIFICATION DEVICE AND ELECTRIC MOTOR COMPRISING THE SAME - The present invention discloses a controllable rectification comprising an inverter ( | 2012-02-16 |
20120038297 | Anti-noise Method for Sensorless-Brushless Direct Current Motor System - An anti-noise method for the Direct Current Brushless motor System, which includes a startup circuit, phase detective circuit, motor phase commutation circuit, driving circuit, BEMF detective circuit, and frequency detector, utilizes the BEMF detective circuit to detect the BEMF induced from the coils of the outer motor, and utilizes the sampled voltage phase to determine rotation speed and phase of the external motor by the phase detection circuit and frequency detector. Further, the sampling voltage of the BEMF detection circuit is feedback controlled by the frequency detector, utilized to keep good BEMF to noise ratio, and avoids the BEMF sampling error from the system. | 2012-02-16 |
20120038298 | Apparatus And Method For Rotating-Sensorless Identification Of Equivalent Circuit Parameters Of An AC Synchronous Motor - Identification without shaft encoder of electrical equivalent circuit parameters of a three-phase asynchronous motor comprising: standstill position search of the rotor, so that the d flux axial direction of the rotor is aligned opposite the α axial direction of the stator; test signal voltage supply U | 2012-02-16 |
20120038299 | Apparatus And Method For Rotating-Sensor-less Identification Of Magneto-Mechanical Parameters Of An AC Synchronous Motor - A method for the identification without a shaft encoder of magnetomechanical characteristic quantities, in particular the mass moment of inertia J and the permanent magnetic flux ψ | 2012-02-16 |
20120038300 | CONTROL DEVICE FOR AC ROTATING MACHINE - A control device for an AC rotating machine having a current limiting function of protecting the AC rotating machine and a driving unit such as an inverter from over-current, in which the control device has the reliable current limiting function in driving the AC rotating machine with known or unknown electrical constant. In the control device, a frequency correction value arithmetic unit has an amplification gain computing element for computing an amplification gain based on an electrical constant of the AC rotating machine and an amplifier for computing a frequency correction arithmetic value based on the amplification gain computed by the amplification gain computing element and the current of the AC rotating machine, in which the frequency correction arithmetic value is outputted as a frequency correction value in a predetermined running state of the AC rotating machine. | 2012-02-16 |
20120038301 | Polyphase AC Motor, Driving Device and Driving Method Therefor - Provided is an AC motor in a three-phase unbalanced state such as a claw-teeth type AC motor ( | 2012-02-16 |
20120038302 | ENGINE POWER SUPPLY CIRCUIT, AND FLIGHT CONTROL MEMBER PROVIDED WITH SUCH A CIRCUIT - A power supply circuit for an electric motor, the circuit comprising a plurality of inverter bridge arms, each having means for connection to a respective winding of the motor, each inverter bridge arm comprising in series a first insulated gate bipolar transistor and a junction field effect transistor that are connected to a controller, the circuit including a second insulated gate bipolar transistor connected in series with each field effect transistor and connected to the controller, and a damping resistor connected in parallel with the second bipolar transistor. An aircraft flight control member including a movable airfoil associated with at least one drive motor connected to such a power supply circuit. | 2012-02-16 |
20120038303 | Apparatus And Method For Sensorless Identification Of Rotating Electrical Equivalent Circuit Parameters Of A Three-Phase Asynchronous Motor - Identification of electrical equivalent circuit parameters ( | 2012-02-16 |
20120038304 | METHODS AND SYSTEMS FOR DIAGNOSING FAULTS FOR ROTORS OF ELECTRIC MOTORS - Methods and systems are provided for diagnosing faults of a rotor of an electric motor. A current is obtained for an inverter using a sensor. A preliminary angle is determined by a control unit or processor using a resolver angle of the rotor. A transformation is conducted by the control unit or processor using a transformation angle that is equal to a multiplier multiplied by the preliminary angle. A fault condition is identified via the control unit or processor using the transformation. | 2012-02-16 |
20120038305 | Fan Failure Detector - A fan failure detector means for detecting whether a fan is locked comprising a drive IC, a coil and an inspection circuit, the drive IC means for outputting a pulse signal, the coil is electrically connected to the drive IC and being driven by the drive IC, the inspection circuit is electrically connected to the drive IC and the coil, the inspection circuit comprises an RC charge/discharge circuit, a diode, a second capacitor, a voltage divider and a transistor having an output terminal, wherein the RC charge/discharge circuit, the diode, the voltage divider and the transistor are sequentially connected in series, the second capacitor is electrically connected with the diode and the voltage divider, when the fan operates normally, the output terminal provides a low voltage signal, when the fan locks, the output terminal provides a high voltage signal to avoid a wrong judgment that the fan still operates normally. | 2012-02-16 |
20120038306 | MEDIA DRIVE DEVICE - The present invention discloses media drive device that turns a media by a motor, read data from the media and/or write data on to the media, that is comprised of a speed control unit that outputs a control pulse signal to control rotational speed of the motor and set adjusting quantity of the rotational speed by changing duty ratio of the control pulse, and a voltage up circuit that voltage up and generates driving voltage for driving the motor by switching operation that is based on the duty ratio of the control pulse. | 2012-02-16 |
20120038307 | Measurement System Using Alignment Unit And Method Of Determining System Parameters Of Alignment Unit - In one embodiment a method determines a system parameter of an alignment unit in a system that measures a position and posture of a workpiece, such as a substrate (or a semiconductor wafer), using the alignment unit. A mounting error of the alignment unit is determined, and a real system parameter value of the alignment unit is determined based on the mounting error, thereby accurately measuring position and posture information of the workpiece. | 2012-02-16 |
20120038308 | ROTATING TRANSFORMER FOR SUPPLYING THE FIELD WINDING IN A DYNAMOELECTRIC MACHINE - An apparatus for transmission of electrical power includes an AC voltage source configured to produce AC voltage. A stator includes a primary winding arrangement electrically fed from the AC voltage source, the primary winding arrangement having at least two primary windings. A rotor includes a secondary winding arrangement inductively coupled to the primary winding arrangement of the stator, the rotor being rotatable in a rotation direction about a rotation axis. The rotation axis does not pass through the at least two primary windings, and the at least two primary windings each extend over a predetermined sector with respect to the rotation direction and are disposed offset with respect to one another with in the rotation direction. | 2012-02-16 |
20120038309 | Control For Multi-Phase Induction Motor - A method and system for controlling operation of a multi-phase induction motor may include the steps of transmitting a signal by a master computer to actuate a first switch for high-speed or low speed operation of the motor, receiving the signal by a control signal board, and in response to the signal, the control signal board may determine that the motor is enabled for high-speed operation and disabled for low-speed operation, or enabled for low-speed operation and disabled for high-speed operation, as the case may be. In response to the motor state, the control signal board may close or open delta-to-wye contactors, then transmit a signal to a power section to close power contactors to connect the motor to a source of multi-phase power. The method may include a standby loop of operation in which the control signal board constantly monitors the condition of the system to determine the existence of a fault condition, which may include the temperature of the power section contactors exceeding a predetermined value, the presence of a current overload in the power contactors and whether the master computer generates high and low-speed operation signals simultaneously. The system also may include a running loop of operation in which the same fault conditions are monitored during operation of the motor. | 2012-02-16 |
20120038310 | INRUSH CURRENT CONTROL FOR A MOTOR STARTER SYSTEM - A motor starter system includes a plurality of switches, and a controller operatively connected to each of the plurality switches. The controller is configured and disposed to selectively activate select ones of the plurality of switches upon detecting a particular phase angle of each of a plurality of phases of a multi-phase electrical source. | 2012-02-16 |
20120038311 | Apparatus And Method For Rotating-Sensorless Identification Of Mechanical Parameters Of A Three-Phase Asynchronous Motor - A method for the identification without shaft encoder of magnetomechanical characteristic quantities of a three-phase asynchronous comprising: constant voltage impression U | 2012-02-16 |
20120038312 | LEAD ACID STORAGE BATTERY AND LEAD ACID STORAGE BATTERY SYSTEM FOR NATURAL ENERGY UTILIZATION SYSTEM - The life of a lead acid storage batttery is extended by changing an over-frequency equalized charge interval performed on a lead acid storage batttery, in accordance with a transition situation of a state of charge (SOC) of the lead acid storage batttery. The lead acid storage batttery is also made to be advantageous in terms of cost by reducing the equalized charge with a low degree of urgency to reduce the power and cost for equalized charge, and by reducing the number of stops of a natural energy storage system. A lead acid storage batttery and a lead acid storage batttery system whose operational management can be easily performed are achieved by a method in which the future timing when the equalized charge is performed can be grasped by people operating the lead acid storage batttery. The lead acid storage batttery and the lead acid storage batttery system include: a storage batttery state measurement unit; an SOC model; an SOC estimation unit configured to estimate an SOC from the information measured by the storage batttery state measurement unit and the information from the SOC model; an SOC transition DB configure to record an SOC transition situation of the lead acid storage batttery; an SOC transition history management unit configured to record, in the SOC transition DB, an estimated SOC value and to check an SOC transition situation; a degradation model of the lead acid storage batttery; an equalized charge optimal planning unit configured to plan an optimal method of performing the equalized charge based on the information on the SOC transition situation from the SOC transition history management unit and the information from the degradation model; an SOC transition information-equalized charge information output unit; and an equalized charge control unit configured to perform the equalized charge on the lead acid storage batttery in accordance with the plan determined by the equalized charge optimal planning unit. | 2012-02-16 |