| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 09/16/2009 | CN101534054A Single-isolation combination pressure increase and reduction type multi-input direct current converter |
| 09/16/2009 | CN101534053A Switching power converters and system for controlling a plurality of switching power converters |
| 09/16/2009 | CN101534052A Slope compensation circuit, method thereof and pulse width modulation boost circuit |
| 09/16/2009 | CN101534051A A supply unit capable of fast switching output voltage |
| 09/16/2009 | CN101534050A DC-DC converter |
| 09/16/2009 | CN101534049A Charge pump circuit |
| 09/16/2009 | CN101533284A Voltage regulating device |
| 09/16/2009 | CN101533074A Electric energy feedback type electronic load with multi-channel wide voltage input |
| 09/16/2009 | CN100541993C Bidirectional three-level soft switch DC/DC for superconducting energy storage |
| 09/16/2009 | CN100541992C Control method and apparatus for series resonance DC/DC converter |
| 09/16/2009 | CN100541991C Voltage converter capable of avoiding voltage drop occurring in input signal and related method |
| 09/15/2009 | USRE40915 Programmable current-sensing circuit providing continuous temperature compensation for DC-DC converter |
| 09/15/2009 | US7590087 Methods for wireless data transmission between a base station and one or more transponders |
| 09/15/2009 | US7589987 DC-to-DC converter with improved transient response |
| 09/15/2009 | US7589985 Switching Regulator |
| 09/15/2009 | US7589983 Power converter controller controlled by variable reference voltage generated by dual output digital to analog converter |
| 09/15/2009 | US7589982 Synchronous rectifier forward converter with reverse current suppressor |
| 09/15/2009 | US7589981 DC-AC converter and method of supplying AC power |
| 09/15/2009 | US7589980 DC-DC converter |
| 09/15/2009 | US7589517 Adaptive slope compensation for switching regulators |
| 09/11/2009 | WO2009110533A1 Electric power steering apparatus |
| 09/11/2009 | WO2009110289A1 Current mode control type switching regulator |
| 09/11/2009 | WO2009109892A1 Method for controlling a switching device of a resonant power converter, especially in order to provide a required power, especially for an x-ray generator |
| 09/11/2009 | WO2009109104A1 A signal output apparatus, a charge pump, a voltage doubler and a method to output current |
| 09/11/2009 | WO2009088575A3 Bidirectional power management techniques |
| 09/11/2009 | CA2717564A1 Method and apparatus for a leakage energy recovery circuit |
| 09/10/2009 | US20090225575 Universal ac adaptor |
| 09/10/2009 | US20090225569 Multilevel power conversion |
| 09/10/2009 | US20090224743 Dc-to-dc converter and method therefor |
| 09/10/2009 | DE112007002260T5 Umrichter-Steuervorrichtung Inverter control device |
| 09/10/2009 | DE102008011706A1 Wandleranordnung und Verfahren zur Bereitstellung eines gewandelten Signals Transducer assembly and method for providing a converted signal |
| 09/09/2009 | CN101529708A Microwave transmission line DC/DC converter |
| 09/09/2009 | CN101529707A Dc-dc converter module |
| 09/09/2009 | CN101529706A Power supply control circuit |
| 09/09/2009 | CN101529705A Converter control device |
| 09/09/2009 | CN101529704A Electronic circuit |
| 09/09/2009 | CN101529703A Converter control device |
| 09/09/2009 | CN101527669A Method and system for interconnecting wideband wireless network and wired network |
| 09/09/2009 | CN101527529A Water environment monitoring node power supply circuit based on solar energy power supply |
| 09/09/2009 | CN101527520A Single-stage single-phase AC-DC convertor based on LLC series resonance |
| 09/09/2009 | CN101527514A Direct current power supply |
| 09/09/2009 | CN101527513A Direct current power supply |
| 09/09/2009 | CN101527512A Bias-current limiting method and apparatus for restricting the maximum output power of power converter |
| 09/09/2009 | CN101527511A Synchronous rectifier circuit |
| 09/09/2009 | CN101527510A Control device used in resonance type DC/DC converter |
| 09/09/2009 | CN101527509A Power supply unit |
| 09/09/2009 | CN101527508A Voltage raising and reducing two-way voltage conversion circuit |
| 09/09/2009 | CN101527507A Energy feedback power load circuit of alternating current-direct current shifting conversion unit and method thereof |
| 09/09/2009 | CN101527506A Method for isolation and conversion of direct current positive and negative signals and circuit thereof |
| 09/09/2009 | CN101527462A Digital control device of converter |
| 09/09/2009 | CN101526678A Power supply circuit and a liquid crystal display device using same |
| 09/09/2009 | CN100539794C Power supply device, discharge lamp igniting device and lighting device |
| 09/09/2009 | CN100539772C High frequency heating apparatus |
| 09/09/2009 | CN100539376C Pre-conditioner with low voltage components |
| 09/09/2009 | CN100539375C Drive circuit for self-excited dc/dc converter, and light emitting device and electronic apparatus using it |
| 09/09/2009 | CN100539372C Electric power switching apparatus providing reduced degree of noise interference with radio communication |
| 09/09/2009 | CN100539371C Voltage regulator with over-voltage protection |
| 09/09/2009 | CN100539370C Method and apparatus for switching on a voltage supply of a semiconductor circuit and corresponding semiconductor circuit |
| 09/09/2009 | CN100539369C Driver circuit |
| 09/09/2009 | CN100539368C Circuit and method for using a single pin to support power input and power control for an integrated circuit |
| 09/09/2009 | CN100539367C PFC-PWM controller having interleaved switching |
| 09/08/2009 | USRE40907 Ripple cancellation circuit for ultra-low-noise power supplies |
| 09/08/2009 | US7586762 Power supply circuit for LCD backlight and method thereof |
| 09/08/2009 | US7586761 Converter having a plurality of channels |
| 09/08/2009 | US7586760 Snubber capacitor resetting in a DC-to-DC converter |
| 09/08/2009 | US7586759 Power source apparatus |
| 09/08/2009 | US7586361 Semiconductor device comprising a charge pump operated by clock signals |
| 09/03/2009 | WO2009107680A1 Power supply device |
| 09/03/2009 | WO2009106631A1 Transformer based voltage combiner with inductive shunt |
| 09/03/2009 | WO2009106508A1 H-bridge circuit and method for operating such circuit |
| 09/03/2009 | WO2009106014A1 A multi-state switch and a converter employing the multi-state switch |
| 09/03/2009 | WO2009105943A1 A synchronous rectifying circuit for flexible switching power converter |
| 09/03/2009 | WO2009088676A3 Photovoltaic inverter interface device, system and method |
| 09/03/2009 | WO2009088661A8 System, method and apparatus for providing direct current |
| 09/03/2009 | WO2009075547A3 Power supply for multiple output voltages |
| 09/03/2009 | WO2009068619A3 Circuit arrangement for dc/dc converters in particular and method for the control thereof |
| 09/03/2009 | US20090219736 Voltage redoubling circuit |
| 09/03/2009 | US20090219081 Internal voltage generator of semiconductor memory device |
| 09/03/2009 | US20090219003 Offline synchronous switching regulator |
| 09/03/2009 | US20090218683 Semiconductor Device |
| 09/03/2009 | DE202009009019U1 Ein Stromadaptor A strømadaptor |
| 09/03/2009 | DE102006010993B4 Schaltung und Verfahren zum Betrieb der Schaltung sowie Schaltnetzteil Circuit and method of operating the switching power supply circuit, and |
| 09/02/2009 | EP2096746A1 Device and method for extending the input voltage range of a DC/DC converter |
| 09/02/2009 | EP2096745A1 Multiphase master/slave DC-DC converter and corresponding DC-DC conversion method |
| 09/02/2009 | EP2096744A1 H-Bridge circuit and method for operating such circuit |
| 09/02/2009 | EP2096743A1 Voltage converter |
| 09/02/2009 | EP2095508A2 Control unit and method for pulse width modulated control |
| 09/02/2009 | EP2095495A1 Charge pump circuit and methods of operation thereof |
| 09/02/2009 | EP2095494A1 Charge pump circuit and methods of operation thereof |
| 09/02/2009 | EP1961103B1 Voltage conversion device |
| 09/02/2009 | CN201303290Y Direct-current stabilized power supply for achieving low ripple with IGBT series-parallel mixture |
| 09/02/2009 | CN201303289Y A power supply converter |
| 09/02/2009 | CN101523711A Self-oscillating dc-dc converter and method therefor |
| 09/02/2009 | CN101523710A Universal power converter |
| 09/02/2009 | CN101523709A Power supply and vehicle having same |
| 09/02/2009 | CN101521975A Deuterium lamp power control circuit used for atomic absorption spectrophotometer |
| 09/02/2009 | CN101521483A Motor driver |
| 09/02/2009 | CN101521470A Power supply method and power supply system for rubber-tyred container gantry crane |
| 09/02/2009 | CN101521464A Bridge type mixing rectification circuit |
| 09/02/2009 | CN101521463A A synchronous rectifying circuit for flexible switching power converter |