Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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03/31/2004 | CN1144348C Grid circuit |
03/31/2004 | CN1144344C Step-up transformer |
03/30/2004 | US6714429 Active inrush current control for AC to DC converters |
03/30/2004 | US6713890 Power generation apparatus and its control method |
03/25/2004 | WO2004025816A2 Low harmonic rectifier circuit |
03/25/2004 | WO2001057996A9 Start-up circuit for voltage regulators |
03/25/2004 | DE19710319B4 Schaltung zum Sperren einer Halbleiterschaltvorrichtung bei Überstrom Circuit for blocking a semiconductor switching device for overcurrent |
03/25/2004 | DE10242332A1 Electronic voltage adapter for gas discharge lamp(s) with charge pump for active power factor correction has element for electrically isolated lamp current coupling to supply energy to pump capacitor |
03/25/2004 | DE10242239A1 Domestic device, e.g. washing machine, dishwasher, heating system or similar, has coupling point for powerline signals provided at suppression filter immediately on mains side of suppression capacitor |
03/24/2004 | EP1401090A1 Polarity inversion circuit for pulsating DC power supply |
03/24/2004 | CN1484884A Communication radar system |
03/24/2004 | CN1484365A Power source converter structure with rotary connector |
03/24/2004 | CN1484355A High-efficient UPS |
03/24/2004 | CN1143426C 电源装置 Power supply unit |
03/23/2004 | US6711039 Method and apparatus for controlling synchronous rectifiers of a power converter |
03/23/2004 | US6711038 Method for controlling bi-directional switches in matrix converters |
03/23/2004 | US6710994 Low power gate trigger circuit for controlling a silicon-controlled rectifier circuit |
03/23/2004 | US6710580 Method and apparatus for overload-controlling inverter power generation apparatus |
03/23/2004 | US6710552 Circuit arrangement for operating discharge lamps |
03/18/2004 | WO2003061102A3 Power supply filtering |
03/18/2004 | WO2002095913A3 Power systems power circuits and components for power systems |
03/18/2004 | US20040052100 Synchronous rectifier |
03/18/2004 | US20040052096 Pulse width modulation controller and method |
03/18/2004 | US20040052093 Power supply and power supply control device for an electronic equipment having a key off function |
03/18/2004 | US20040051579 Signal generator for charge pump in an integrated circuit |
03/18/2004 | US20040051568 Transistor output circuit, semiconductor device including transistor output circuit, and switching electric power unit having transistor output circuit |
03/18/2004 | US20040051513 Switching regulator with dynamic current limiting and drive circuit for the switching regulator |
03/18/2004 | US20040051398 Device for rapid short-circuit protection in a power semiconductor |
03/18/2004 | US20040051386 High voltage supply device |
03/18/2004 | US20040051385 Energy control circuit and method of SMPS (switching mode power supply) for PDP (plasma display panel) |
03/18/2004 | US20040051383 Switching mode current limiting power controller circuit |
03/18/2004 | DE4229303B4 Gleichrichter Rectifier |
03/18/2004 | DE10334832A1 Steuerkreis zum Ansteuern eines Leistungshalbleiterbauelements Control circuit for driving a power semiconductor device |
03/18/2004 | DE10242326A1 Electronic ballast with power factor compensation/correction (PFC) for discharge lamps and method for reducing harmonics during operation of such ballast, with specified capacitor (dis)charging |
03/18/2004 | DE10241304A1 Betriebsschaltung mit verbesserter Leistungsversorgung einer Treiberschaltung Operating circuit with improved power supply of a driver circuit |
03/18/2004 | DE10241249A1 Filter arrangement to suppress current over oscillations has a capacitor on high inductance winding side of a transformer in resonance with the mains frequency |
03/17/2004 | EP1397856A1 A high voltage converter system |
03/17/2004 | CN1482730A Integrated circuit driver with stable bootstrap power supply |
03/17/2004 | CN1482729A Thermoelectric cooling conversion power supply |
03/17/2004 | CN1142623C Power conversion apparatus |
03/16/2004 | US6707650 Self-synchronized synchronous rectifier |
03/16/2004 | US6707285 Phase-controlled AC-DC power converter |
03/16/2004 | US6707284 Programmable power supply |
03/16/2004 | US6707264 Sequential burst mode activation circuit |
03/16/2004 | US6707260 Circuit arrangement including DC-AC converter having a dependable start circuit |
03/11/2004 | US20040048112 Arrangement and method for generating electric power, and power source |
03/11/2004 | US20040047166 Power supply controller for exercise equipment drive motor |
03/11/2004 | US20040047164 Isolated drive circuitry used in switch-mode power converters |
03/11/2004 | US20040047092 Active ground current reduction device |
03/11/2004 | US20040047091 High-side short-circuit protection for a voltage converter |
03/11/2004 | US20040046634 Low harmonic rectifier circuit |
03/11/2004 | US20040046633 Low harmonic rectifier circuit |
03/11/2004 | US20040046629 Low harmonic rectifier circuit |
03/11/2004 | US20040046516 Load control device |
03/10/2004 | EP1396937A2 Circuit for operating a driving circuit with improved power supply |
03/10/2004 | CN1141766C Power supply specially for household cinema |
03/09/2004 | US6704213 Voltage converter system having a plurality of voltage inverters for increasing a DC voltage |
03/09/2004 | US6704182 Method for protection of a matrix converter against overvoltages, and an active overvoltage device |
03/09/2004 | US6703874 Gate driver for MOS control semiconductor devices |
03/09/2004 | US6703818 AC to AC power converter for electronic devices having substantially different output voltage/current characteristics |
03/09/2004 | US6703793 Switching power unit |
03/04/2004 | WO2004019483A2 Providing dc isolation in switching amplifiers |
03/04/2004 | WO2004019475A1 Output choke arrangement for inverter, and method in conjunction therewith |
03/04/2004 | WO2003041189A3 Method and device for supplying electric power to an appliance |
03/04/2004 | WO2003017452A3 Fault tolerant power supply circuit |
03/04/2004 | WO2003005547A3 Odd harmonics reduction of phase angle controlled loads |
03/04/2004 | US20040041621 Operating circuit with an improved power supply for a driver circuit |
03/04/2004 | US20040041619 Mosgate driver integrated circuit with adaptive dead time |
03/04/2004 | US20040041549 Circuit arrangement for operating an electrical machine |
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 | CA2438725A1 Operating circuit with an improved power supply for a driver circuit |
03/03/2004 | EP1394927A2 Power supply with surge protection |
03/03/2004 | CN1479909A Voltage regulator circuit for chip card IC |
03/03/2004 | CN1479439A Inserting position driving circuit |
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 | US6700435 Local supply generator for a digital CMOS integrated circuit having an analog signal processing circuitry |
03/02/2004 | US6700359 Method for simultaneous output ramp up of multiple regulators |
03/02/2004 | US6700214 Mobile power generation system |
03/02/2004 | CA2353422C High frequency dc to ac inverter |
03/02/2004 | CA2140065C Solid state motor speed control |
02/26/2004 | WO2004017507A1 Overheat protection device |
02/26/2004 | WO2004017151A1 Pulse power supply for regenerating magnetic energy |
02/26/2004 | WO2003043168A3 Distributed architecture control system for static power inverters |
02/26/2004 | WO2002037908A3 Active ground current reduction device |
02/26/2004 | US20040037102 Dual input AC/DC to programmable DC output converter |
02/26/2004 | US20040037099 Control circuit of MOSFET for synchronous rectification |
02/26/2004 | US20040037096 Apparatus and method for filtering voltage for an electrostatic precipitator |
02/26/2004 | US20040036533 Providing DC isolation in switching amplifiers |
02/26/2004 | US20040036450 Method for detecting the null current condition in a PWM driven inductor and a relative driving circuit |
02/26/2004 | DE10333819A1 Gateansteuerungsschaltung in Leistungsmodulen Gate drive circuit in power modules |
02/26/2004 | DE10317374A1 Steuerschaltung für Leistungsvorrichtung Control circuit for power device |
02/25/2004 | EP1082805B1 Voltage switch-over device |
02/25/2004 | CN2604823Y PWM detection circuit |
02/25/2004 | CN1477777A Utitiztion of frequency converter to make high-power A.C. power supply |
02/25/2004 | CN1477771A Grid drive circuit of power assembly |
02/25/2004 | CN1477770A Active power filter method with D.C. source and branch impedance decoupling control and its system |
02/25/2004 | CN1140047C Switching power circuit |
02/25/2004 | CN1140043C Gate driving control unit for large-power thuristor with gate capable of being shut off |
02/24/2004 | US6697955 Method and apparatus for using an energy reserve to provide voltage to a power factor correction circuit in the event of a power interuption |