| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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| 07/29/2009 | CN100521473C Stepping inductor for fast transient response of switching converter |
| 07/29/2009 | CN100521472C Power supply |
| 07/29/2009 | CN100521471C DC/DC converter and decentralized power generation system comprising a DC/DC converter |
| 07/29/2009 | CN100521470C Surface mounted power supply circuit apparatus and method for manufacturing the same |
| 07/29/2009 | CN100521197C Semiconductor device |
| 07/29/2009 | CN100520646C Portable photographing apparatus and power switching control method |
| 07/28/2009 | US7567445 Switch mode power supply controllers |
| 07/28/2009 | US7566993 Battery optimized circuit and system on a chip |
| 07/23/2009 | US20090185399 Active start judgment circuit |
| 07/23/2009 | DE10223763B4 Halbleitervorrichtung Semiconductor device |
| 07/23/2009 | DE102008003759A1 Electrical energy transfer system, has regulating device compensating current and/or voltage fluctuations and charging energy source with current only within constraints of removal characteristics of energy source |
| 07/22/2009 | EP2081286A2 Control arrangement for a PFC power converter |
| 07/22/2009 | EP2081285A2 Cascaded PFC and resonant mode power converters |
| 07/22/2009 | EP2080663A1 DC/DC converter apparatus |
| 07/22/2009 | EP2080260A1 Low-noise dc/dc converter with controlled diode conduction |
| 07/22/2009 | CN101488702A PWM control circuit |
| 07/22/2009 | CN101488701A Apparatus and method for preventing surge |
| 07/22/2009 | CN101488700A Inverter and refrigeration cycle device |
| 07/22/2009 | CN101488699A Digital latch control circuit used for over voltage protection and power source converter thereof |
| 07/22/2009 | CN100517927C Three-phase power supply parallel feedforward compensation power factor correction circuit |
| 07/22/2009 | CN100517926C Partial active electrical source power factor correction circuit |
| 07/22/2009 | CN100517902C Driving circuit for power semiconductor element |
| 07/21/2009 | US7564706 Power factor corrected single-phase AC-DC power converter using natural modulation |
| 07/21/2009 | US7564703 Method and apparatus for synchronized parallel operation of PWM inverters with limited circulating current |
| 07/21/2009 | US7564294 Inverter apparatus |
| 07/21/2009 | US7564231 Switching power supply source |
| 07/16/2009 | WO2009088843A2 Method and apparatus to remove energy from dc loads |
| 07/16/2009 | WO2009087150A1 Method for operating a wind energy installation |
| 07/16/2009 | DE202009006280U1 Umrichterfilterkonstruktion Umrichterfilterkonstruktion |
| 07/16/2009 | DE112007002270T5 Gate-Ansteuerschaltung Gate drive circuit |
| 07/16/2009 | DE102008061630A1 Systeme und Verfahren zum Vorladen von Aufwärtswandlern bei DC/DC-Leistungswandlern Systems and methods for precharging boost converters for DC / DC power converters |
| 07/16/2009 | DE102008061187A1 Verbesserte Bauweise von Induktivitäten für Leistungswandler Improved design of inductors for power converters |
| 07/16/2009 | DE102004022136B4 Softgeschaltete Leistungswandler Soft Switched power converter |
| 07/15/2009 | EP1273093B1 Dc power adapter system |
| 07/15/2009 | CN201274450Y PFC module protection circuit |
| 07/15/2009 | CN201274449Y Control circuit for making duty ratio of PWM wave 50% in static state |
| 07/15/2009 | CN201274448Y IGBT heat radiation apparatus for frequency conversion controller |
| 07/15/2009 | CN101483381A Combined circuit and electronic element |
| 07/15/2009 | CN101483380A Evaporation cooling centralized heat exchange distributed switch power supply system |
| 07/15/2009 | CN100514812C Power factor impoving circuit |
| 07/15/2009 | CN100514810C Power supply with multiple outputs and time delay synchronious control method |
| 07/15/2009 | CN100514807C EMI-reducing single-stage power factor correcting circuit |
| 07/15/2009 | CN100514806C power converter and operating method thereof |
| 07/15/2009 | CN100514805C Gate drive circuit |
| 07/15/2009 | CN100514670C Built-in power MOS field effect transistor and semiconductor device of drive circuit |
| 07/14/2009 | US7561451 Power converter apparatus and methods using a phase reference derived from a DC bus voltage |
| 07/14/2009 | US7561448 Power inverter |
| 07/14/2009 | US7560982 Apparatus for reducing apparent capacitance in high frequency filter for power line |
| 07/14/2009 | US7560915 Power supply apparatus provided with regulation function and boosting of a regulated voltage |
| 07/14/2009 | CA2400023C An open-loop/closed-loop converter with active clamping switches |
| 07/09/2009 | WO2009085546A1 Systems for and methods of controlling operation of a ups |
| 07/09/2009 | WO2009083504A1 Power factor correction circuit for three-phase power supply |
| 07/09/2009 | WO2009055602A3 Ac mains filter and power supply system |
| 07/09/2009 | US20090174385 Integrated soft start circuits |
| 07/09/2009 | DE102008061188A1 Flüssig gekühlte Wechselrichteranordnung Liquid-cooled inverter assembly |
| 07/09/2009 | DE102008033676A1 Verfahren und Systeme zum Kühlen von Wechselrichtern für Fahrzeuge Methods and systems for cooling of inverters for cars |
| 07/09/2009 | DE102008026500A1 Commutation speed regulating method for use between MOSFET and diode, involves storing one of time intervals as parameter on lines so that commutation duration is held in relationship during changing of conditions of switch arrangement |
| 07/09/2009 | DE102007062777A1 Verfahren und System zum Bereitstellen eines Überlast- und Kurzschluss-Schutzes für einen getakteten Netzteil Method and system for providing an overload and short-circuit protection for a switched-mode power supply |
| 07/09/2009 | DE10048094B4 Schaltnetzteil mit einer Einrichtung zur Funkstörspannungskompensation Switching power supply with a device for Funkstörspannungskompensation |
| 07/09/2009 | CA2710301A1 Power factor correction circuit for three-phase power supply |
| 07/09/2009 | CA2709995A1 Systems for and methods of controlling operation of a ups |
| 07/08/2009 | EP2077608A1 Drive circuit for a switch in a switching converter |
| 07/08/2009 | CN201270474Y Electricity power supply having intermittent heat radiation function |
| 07/08/2009 | CN101479917A A zero voltage zero current switching converter |
| 07/08/2009 | CN101478230A Passive soft on-off circuit used for inversion bridge |
| 07/08/2009 | CN101478229A Error tolerant power converter used for switch reluctance motor |
| 07/08/2009 | CN101478225A Communication method by using series connection valve triggering signal of high voltage electric and electronic device |
| 07/08/2009 | CN101478223A Indicator circuit for energy-saving electric power |
| 07/08/2009 | CN100511950C Power source and control method thereof |
| 07/08/2009 | CN100511938C Charge pump circuit and electronic circuit provided therewith, and method for driving charge pump circuit |
| 07/08/2009 | CN100511935C Voltage source converter |
| 07/08/2009 | CN100511934C DC/DC converter with a plurality of mutually-isolated power sources |
| 07/08/2009 | CN100511933C Double-output power supplier |
| 07/08/2009 | CN100511932C Power semiconductor device |
| 07/08/2009 | CN100511081C Method and circuit for active power factor correction |
| 07/07/2009 | US7558971 Adaptable power supply |
| 07/07/2009 | US7558088 Power supply device |
| 07/07/2009 | US7557644 Fully integrated floating power supply for high voltage technologies including N-EPI biasing |
| 07/07/2009 | US7557555 Method to determine an operating characteristic of a vehicle power converter |
| 07/07/2009 | US7557521 LED power control methods and apparatus |
| 07/07/2009 | US7557467 Portable photographing apparatus and power switching control method |
| 07/02/2009 | WO2009080417A1 Ac/dc converter and ballast using the same |
| 07/02/2009 | WO2009080382A1 Method for operating a dc-dc converter |
| 07/02/2009 | WO2009060806A3 Controller for power converter circuit |
| 07/02/2009 | US20090168474 Power converting device and method for controlling the same |
| 07/02/2009 | US20090167365 Method for regulating a voltage and circuit therefor |
| 07/02/2009 | US20090167275 Voltage regulator feedback protection method and apparatus |
| 07/02/2009 | US20090167255 Voltage Regulation to Reduce Ripple in a Power Generation System |
| 07/02/2009 | DE202009005613U1 Netzteil Power Supply |
| 07/02/2009 | DE102007061978A1 Schaltungsanordnung zum Bereitstellen einer Spannungsversorgung für eine Transistor-Treiberschaltung Circuitry for providing a voltage supply for a transistor driver circuit |
| 07/01/2009 | EP2075902A2 Switching power supply and method for operating a switching power supply |
| 07/01/2009 | EP2075901A1 Motor drive architecture with active snubber |
| 07/01/2009 | EP2075899A2 Voltage regulation to reduce ripple in a power generation system |
| 07/01/2009 | EP1829195B1 Dual voltage control current converter |
| 07/01/2009 | EP1296444A9 Driver device for sliding a panel of a vehicle |
| 07/01/2009 | CN201266882Y Novel power supply of oil rig electric control system |
| 07/01/2009 | CN201266881Y Device for configuring three power supply of portable electronic product |
| 07/01/2009 | CN101471600A Isolated voltage converter with feedback on the primary winding, and corresponding method for controlling the output voltage |
| 07/01/2009 | CN101471599A Drive circuit, power management device for MOS tube and method for driving MOS tube |
| 07/01/2009 | CN100508344C DC-DC switching converter device |