| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 03/10/2004 | CN2606489Y Ohm's law testing source |
| 03/10/2004 | CN1481066A BUCK convertor containing synchronous rectitication drive circuit |
| 03/10/2004 | CN1141779C Integrated multifunctional DC converter |
| 03/10/2004 | CN1141778C Integrated multifunctional DC converter |
| 03/10/2004 | CN1141777C DC/DC converting method and its converter |
| 03/09/2004 | USRE38454 Multi-phase converter with balanced currents |
| 03/09/2004 | US6704213 Voltage converter system having a plurality of voltage inverters for increasing a DC voltage |
| 03/09/2004 | US6704211 DC-to-DC converter |
| 03/09/2004 | US6704203 Power supply module |
| 03/09/2004 | US6703893 Method of setting bi-directional offset in a PWM controller using a single programming pin |
| 03/09/2004 | US6703891 Charge pump with improved reliability |
| 03/09/2004 | US6703890 Voltage supply circuit with parasitic oscillation compensation |
| 03/09/2004 | US6703817 Pulse width modulated power conversion apparatus and methods using capacitor-charge feedback |
| 03/09/2004 | US6703812 Power converter having improved step down response for low duty cycle operation |
| 03/09/2004 | US6703810 Digital controlled charge current regulator |
| 03/09/2004 | US6703796 Power supply and inverter used therefor |
| 03/09/2004 | US6703793 Switching power unit |
| 03/06/2004 | WO2004047280A1 Dc/ac converter and its controller ic |
| 03/04/2004 | WO2004019474A1 Mains plug |
| 03/04/2004 | WO2004019473A1 Power source device having time creating circuit |
| 03/04/2004 | WO2004019472A1 Direct current conversion device |
| 03/04/2004 | WO2004019471A1 Closed loop diode emulator for dc-dc converter |
| 03/04/2004 | WO2004018037A1 Transmission of information from an implanted medical device |
| 03/04/2004 | WO2003047078A3 Integrated dc/dc converter |
| 03/04/2004 | WO2003041189A3 Method and device for supplying electric power to an appliance |
| 03/04/2004 | US20040042240 Switching power supply device |
| 03/04/2004 | US20040042239 Switching power supply apparatus |
| 03/04/2004 | US20040042238 DC/DC converter with filter for limiting the oscillation of the input current and associated method |
| 03/04/2004 | US20040042237 Third winding reset forward converter |
| 03/04/2004 | US20040042236 Current-powered converted with energy recovery clamping circuit |
| 03/04/2004 | US20040041762 Display apparatus having temperature compensation function |
| 03/04/2004 | US20040041621 Operating circuit with an improved power supply for a driver circuit |
| 03/04/2004 | US20040041620 LED driver with increased efficiency |
| 03/04/2004 | US20040041613 Boosted clock generator having an NMOSFET pass gate transistor |
| 03/04/2004 | US20040041548 DC-DC power supply with at least two paralleled converters and current share method for same |
| 03/04/2004 | US20040041544 Method and apparatus for dithering auto-synchronization of a multiphase switching power converter |
| 03/04/2004 | US20040041543 Method and apparatus for auto-interleaving synchronization in a multiphase switching power converter |
| 03/04/2004 | US20040041473 Replenishing power supply system |
| 03/04/2004 | DE10328781A1 Current converter has protection circuit connecting semiconducting element gate, source with low impedance from starting converter to first switch-on and with high impedance after switch-on starts |
| 03/04/2004 | DE10254698A1 Netzstecker Power plug |
| 03/04/2004 | DE10238258A1 Control circuit for switch power converter, switches ON switch for maintaining energy transformation from transformer to circuit, when overall voltage of divider resistor varies with resistance of transistor |
| 03/04/2004 | CA2817934A1 Transmission of information from an implanted medical device |
| 03/04/2004 | CA2495819A1 Transmission of information from an implanted medical device |
| 03/04/2004 | CA2438725A1 Operating circuit with an improved power supply for a driver circuit |
| 03/03/2004 | EP1393400A2 Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device |
| 03/03/2004 | EP0947048B1 Power modulator |
| 03/03/2004 | CN1479909A Voltage regulator circuit for chip card IC |
| 03/03/2004 | CN1479441A Electric regenerative circuit and power conversion device |
| 03/03/2004 | CN1479440A Transforming device of push-pull circuit type |
| 03/03/2004 | CN1479439A Inserting position driving circuit |
| 03/03/2004 | CN1479424A Inputting overvoltage protection circuit and electric device with the protection circuit |
| 03/03/2004 | CN1140956C Passive soft switch circuit of three-level DC-DC converter |
| 03/03/2004 | CN1140955C Charge pump using low voltage power supply, equipment and method for supplying pump output voltage |
| 03/02/2004 | US6701103 Power supply control apparatus and image formation apparatus |
| 03/02/2004 | US6700808 Dual input AC and DC power supply having a programmable DC output utilizing a secondary buck converter |
| 03/02/2004 | US6700807 Flexible converter |
| 03/02/2004 | US6700804 Integrated multi-level inverter assembly |
| 03/02/2004 | US6700802 Bi-directional power supply circuit |
| 03/02/2004 | US6700801 Switching power supply capable of ac to dc conversion |
| 03/02/2004 | US6700436 Method and circuit for generating a high voltage |
| 03/02/2004 | US6700434 Substrate bias voltage generating circuit |
| 03/02/2004 | US6700426 Programmable voltage pump having a ground option |
| 03/02/2004 | US6700365 Programmable current-sensing circuit providing discrete step temperature compensation for DC-DC converter |
| 03/02/2004 | US6700364 Constant-current/constant-voltage circuit architecture |
| 03/02/2004 | US6700328 Discharge lamp driver circuit designed to minimize radiation or noise |
| 03/02/2004 | US6700214 Mobile power generation system |
| 02/26/2004 | WO2004017507A1 Overheat protection device |
| 02/26/2004 | WO2004017506A1 Voltage conversion device, voltage conversion method, and computer-readable recording medium containing program for causing computer to execute voltage conversion control |
| 02/26/2004 | WO2004017152A1 Circuit arrangement for stabilizing a supply voltage and method for operating said circuit arrangement |
| 02/26/2004 | WO2004017151A1 Pulse power supply for regenerating magnetic energy |
| 02/26/2004 | WO2003094334A3 Synchronous and bi-directional variable frequency power conversion systems |
| 02/26/2004 | WO2003092328A3 Llc half-bridge converter |
| 02/26/2004 | WO2003092144A3 Power supply |
| 02/26/2004 | WO2003088460A3 Soft switching high efficiency flyback converter |
| 02/26/2004 | WO2003063326A3 Innovative regulation characteristics in multiple supply voltages |
| 02/26/2004 | WO2002042046A3 Vessel exclusion barrier/line of demarcation |
| 02/26/2004 | US20040039423 Transmission of information from an implanted medical device |
| 02/26/2004 | US20040037102 Dual input AC/DC to programmable DC output converter |
| 02/26/2004 | US20040037100 DC converters |
| 02/26/2004 | US20040037099 Control circuit of MOSFET for synchronous rectification |
| 02/26/2004 | US20040037098 Switching power supply |
| 02/26/2004 | US20040037094 Digital regulation of power converters using primary-only feedback |
| 02/26/2004 | US20040037093 Switching power supply unit and electronic apparatus using the same |
| 02/26/2004 | US20040037092 DC-DC converter |
| 02/26/2004 | US20040037019 Power supply control circuit |
| 02/26/2004 | US20040036686 Energy recovering circuit with boosting voltage-up and energy efficient method using the same |
| 02/26/2004 | US20040036525 System and circuit for controlling well biasing and method thereof |
| 02/26/2004 | US20040036459 Closed loop diode emulator for dc-dc converter |
| 02/26/2004 | US20040036458 Non-synchronous switching regulator with improved output regulation at light or low loads |
| 02/26/2004 | US20040036456 Boosted voltage supply |
| 02/26/2004 | US20040036452 Method and apparatus for load sharing in a multiphase switching power converter |
| 02/26/2004 | US20040036451 Step-up switching power supply device |
| 02/25/2004 | EP1391982A2 Dc-dc converter |
| 02/25/2004 | CN2604824Y Single battery booster circuit |
| 02/25/2004 | CN1478320A DC-coupling method for current mode circuits |
| 02/25/2004 | CN1478318A 功率变换器 Power converter |
| 02/25/2004 | CN1477775A Power supply method and electric source equipment capable of fast responsing input and output voltage change |
| 02/25/2004 | CN1477774A Method for controlling DC-DC converter |
| 02/25/2004 | CN1477773A Electric charge pump circuit based on coupling capacitance share |
| 02/25/2004 | CN1477772A Inrush current limiting circuit for pulse frequency modwlation to control charge pump |