Electric power conversion systems patents - Monitor Patents
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Electric power conversion systems November recently filed with US Patent Office 11/10

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
11/25/2010 > patent applications in patent subcategories.

20100296315 - Piezoelectric power converter: Disclosed is a piezoelectric power supply converter, wherein, a piezoelectric element is utilized to replace a conventional capacitor, due to characteristic of mechanical resonance of said piezoelectric element, said piezoelectric element may contain higher capacitance than said conventional capacitor, and a parasitic resistance of said piezoelectric element is smaller that... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20100296316 - Piezoelectric converter with primary regulation and associated piezoelectric transformer: The present invention relates to voltage transformers, comprising multi-layer structures of piezoelectric ceramics, so-called piezoelectric transformers. The present invention further relates to switched mode power supplies, comprising such a piezoelectric transformer as part of a piezoelectric converter. The piezoelectric transformer according to the invention comprises a primary-side electrode arrangement (102)... Agent: Marsh, Fischmann & Breyfogle LLP

20100296318 - System and method for ringing suppression in a switched mode power supply: In one embodiment, a method of operating a switched-mode power supply having a switch coupled to a drive signal is disclosed. The method includes shutting off the switch with the drive signal at a first instance of time, and comparing a magnitude of a voltage of a power supply node... Agent: Slater & Matsil, L.L.P.

20100296317 - Extensible switching power circuit: An extensible switching power circuit includes a plurality of switching power modules and a plurality of synchronous signal generators. Every two adjacent switching power modules are connected through a synchronous signal generator. The switching power modules generate induction electric potentials. Each synchronous pulse generator measures relevant electric potentials of the... Agent: Altis Law Group, Inc. Attn: Steven Reiss

20100296319 - Power source module with broad input voltage range: The present invention discloses a power source module with a broad input voltage range, which includes a first and a second power source input terminals, a rectification filter circuit, and a conversion circuit connected between the first and the second power source input terminals and the rectification filter circuit, and... Agent: Harness, Dickey & Pierce, P.L.C

20100296320 - Device and method for generating a stable high voltage: A device is disclosed for generating a stable high voltage, namely a high-voltage DC generator for a particle beam apparatus. A method is also disclosed for generating a stable high voltage for a particle beam apparatus. The high-voltage DC generator has a controllable voltage source, which is connected to an... Agent: Muirhead And Saturnelli, LLC

20100296321 - Direct ac power converting apparatus: A control section controls a current-source converter while a switch is conducting, to render conducting a pair of a high-aim side transistor and a low-arm side transistor (for example, transistors) which are connected to any one of input lines, performs voltage doubler rectification on a voltage between a neutral phase... Agent: Birch Stewart Kolasch & Birch

20100296322 - Power switching system to increase induction heating to a load from available ac mains power: In one aspect, the invention provides a power system for providing power to a load. In some embodiment, the system comprises: a rectifier configured to rectify an AC main signal to produce a rectified AC main signal; a zero cross detector configured to receive the AC main signal and to... Agent: Rothwell, Figg, Ernst & Manbeck, P.C.

20100296323 - Integrated device with ac to dc conversion function and integrated circuit using same: The present invention discloses an integrated device with AC to DC conversion function, and an integrated circuit using the device. The integrated circuit comprises: a circuit operating under low DC voltage; and an integrated device with AC to DC conversion function, the device including first, second, third and fourth diodes,... Agent: Tung & Associates

20100296324 - Electronic driver circuit and method: The present invention relates to an electronic driver circuit and a corresponding method for supplying an electronic load (LED1, LED2, . . . , LEDn) with a DC current or voltage (Vload). To achieve a high efficiency and a low thermal stress on the electronic load, the proposed driver circuit... Agent: Philips Intellectual Property & Standards

20100296325 - Power converting device: A power converting device converts a DC voltage input from an external power source into an AC voltage output across an output capacitor of an output circuit, and includes a coupling circuit having series first and second windings. A rectifying diode has a grounded anode coupled to an anode of... Agent: Sunstein Kann Murphy & Timbers LLP

20100296326 - Power circuit with passthrough: A power circuit device has a housing. A connection electrically couples AC power to an interior portion of the housing. A female electrical socket is coupled to the housing and is electrically coupled to and receives AC power from the connection. An AC to DC converter is electrically coupled to... Agent: Miller Patent Services

11/18/2010 > patent applications in patent subcategories.

20100290256 - Resonance converting apparatus and synchronous rectification circuit: Provided is a resonance converting apparatus. The resonance converting apparatus preferably includes a resonant circuit, a bridge-type converter, and a synchronous rectification circuit. In which the resonant circuit has a transformer. The bridge-type converter connects with a primary side of the transformer, and operates open or close according to a... Agent: Rabin & Berdo, PC

20100290255 - Dc converter with independently controlled outputs: A power supply includes a transformer having a primary winding and one or more secondary windings. The power supply also includes a primary switch coupled to the primary winding, a control unit coupled to control the primary switch, and N output circuits each to provide a respective one of N... Agent: Blakely Sokoloff Taylor & Zafman LLP

20100290257 - Start-up circuit for power converters with wide input voltage range: A start-up circuit includes a switching-device control circuit arranged to receive an input voltage and to provide a switching-device control signal, a switching device arranged to be controlled by the switching-device control signal and to provide a start-up signal, a power-converter control circuit arranged to receive the start-up signal and... Agent: Murata Power Solutions C/o Keating & Bennett, LLP

20100290258 - Inverter topology for improved efficiency and reduced harmonic distortion: An inverter circuit for generating an AC signal from a DC input is described herein. The inverter comprises a primary inverter for generating a first portion of a signal, the primary inverter using switches that when actuated efficiently produce the first portion of the signal, the first portion of the... Agent: Bracewell & Giuliani LLP

20100290259 - Voltage stabilizing module for bicycle generator: A voltage stabilizing module for bicycle generator includes a voltage input, a rectifier circuit electrically connected to the voltage input, a detective switch electrically connected to the rectifier circuit, a stabilizing integrated circuit selectively electrically connected to the detective switch, a filter circuit electrically connected to the stabilizing integrated circuit,... Agent: Chien-hui Su

20100290260 - structure of serial synchronous chopper: An improved structure of serial synchronous chopper mainly includes an external synchronous rectifier power supply unit, an internal synchronous rectifier power supply unit, a synchronous voltage-stabilized control unit, an integrated driving circuit unit, a synchronous load feedback control unit, and a synchronous integrated chopping unit. While operating, the structure is... Agent: Yen Jung Sung

20100290261 - Machine, computer program product and method for implementing an improved efficiency and reduced harmonic distortion inverter: A machine, computer program product and method for implementing an improved inverter circuit that converts, with high efficiency, direct-current electrical power (DC) to alternating-current electrical power (AC) with low signal distortion is described herein. The machine to convert a DC input into an AC output comprises a first inverter comprising... Agent: Bracewell & Giuliani LLP

11/11/2010 > patent applications in patent subcategories.

20100284203 - Control mode for zvs converter at resonant operating frequencies: A zero volt switching voltage converter comprises a switching network including a plurality of switches for generating control signals responsive to an input voltage source and switching control signals. Circuitry generates a regulated output voltage responsive to the control current. Control circuitry generates the switching control signals wherein the switching... Agent: Howison & Arnott, L.l.p

20100284204 - Power system with shared clamp reset: A power supply includes a first power converter, a second power converter, and a clamp reset circuit. The clamp reset circuit is electrically coupled to other components within the first power converter and the second power converter. A clamp standby connection can be provided to electrically couple the clamp reset... Agent: Blakely Sokoloff Taylor & Zafman LLP

20100284205 - Voltage transforming apparatus: A voltage transforming apparatus includes a first high voltage side coil, a first low voltage side coil magnetically coupled to the first high voltage side coil, a second low voltage side coil magnetically coupled to the first high voltage side coil, and a first switch switching an externally supplied voltage... Agent: Buchanan, Ingersoll & Rooney PC

20100284207 - Ac line signal detection device and method and power supply device: Disclosed herein is an AC line signal detection device including: a semiconductor integrated circuit; and a conversion section adapted to rectify an AC line signal and convert the rectified signal to an input signal to be fed to the semiconductor integrated circuit, wherein the semiconductor integrated circuit includes a monitoring... Agent: Rader Fishman & Grauer PLLC

20100284206 - Power adapter and power supply method thereof: A power adapter for an electronic device selectively works in different modes according to a working state signal of the electronic device. When the electronic device is powered off or on with a battery in a determined charge state, the power adapter controls a relay to turn off the relay... Agent: Altis Law Group, Inc. Attn: Steven Reiss

20100284208 - Power-conversion control system including sliding mode controller and cycloconverter: A power-conversion control system includes an inverter, a cycloconverter, and a sliding mode controller. The inverter is operable to receive a DC voltage input and produce a first AC voltage output having a first frequency. The cycloconverter has a plurality of bidirectional switches, and is operable to receive the first... Agent: Carlson, Gaskey & Olds, P.C.

11/04/2010 > patent applications in patent subcategories.

20100277955 - Boost device for voltage boosting: A boost device boosts an input voltage to an output voltage across an output capacitor, and includes an output diode coupled to the output capacitor, and a transformer coupled to a first switch, a clamp circuit and a boost circuit. The clamp circuit is coupled across a first winding of... Agent: Sunstein Kann Murphy & Timbers LLP

20100277956 - Control apparatus of power converter circuit: To detect a peak time of an exciting current of a transformer, a primary current corresponding to the peak time, or a variation time of the primary voltage, and to switch a switch after expiration of a predetermined period from the peak time, after the peak time occurs. A control... Agent: Jae Y. Park

20100277957 - Power system having a power saving mechanism: A power system having a power saving mechanism includes a voltage regulator, a power input module, and a switching signal generation unit. The voltage regulator performs a regulation operation on a first voltage for generating a second voltage. The power input module includes a transformer, a rectifying unit, a switch,... Agent: North America Intellectual Property Corporation

20100277954 - Active centerpoint power bus balancing system: An active centerpoint bus balancing system which actively maintains centerpoint voltage balance of the output capacitors in a power supply having a multi-level voltage output. The centerpoint voltage balance is maintained by a novel control circuit which efficiently transfers charge from one capacitor to the other capacitor so as to... Agent: Brown & Michaels, PC 400 M & T Bank Building

20100277953 - Switching power supply: A switching power supply includes a switching unit, a driving signal generator, and a control circuit. The driving signal generator is configured for providing a driving signal including a plurality of acting voltage parts. The plurality of acting voltage parts is used to turn on the switching unit. Each of... Agent: Altis Law Group, Inc. Attn: Steven Reiss

20100277958 - Power module assembly: A power module assembly of the type suitable for deployment in a vehicular power inverter, wherein the power inverter has a grounded chassis, is provided. The power module assembly comprises a conductive base layer electrically coupled to the chassis, an insulating layer disposed on the conductive base layer, a first... Agent: Ingrassia Fisher & Lorenz, P.C. (gm)

20100277959 - Power supply module: A power supply module includes a rectifying and filtering unit, a pulse width modulation (PWM) unit, a voltage transforming unit, a sampling and comparing unit, and an overvoltage protection unit. The rectifying and filtering unit receives an alternating current (AC) voltage, and generates a filtered primary DC voltage. The PWM... Agent: Altis Law Group, Inc. Attn: Steven Reiss

20100277960 - Aircraft power supply and method of operating the same: An aircraft power supply for providing DC power with improved power quality characteristics. The aircraft power supply includes a transformer control system that can use closed-loop feedback from a DC power output to control switches that can short primary windings turns of a step-down transformer. By shorting turns in the... Agent: James D. Stevens Reising Ethington P.C.

20100277961 - Method for inhibiting thermal run-away: A method for mitigating aliasing effects in a single phase power converter and mitigating aliasing effects and inhibiting thermal run-away in a multi-phase power converter at varying load transition rates. A single phase or multi-phase power converter having an on-time is provided and the frequency of the power converter is... Agent: Semiconductor Components Industries, LLC Intellectual Property Dept. - A700

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