Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 1 - Details of apparatus for conversion
Patents for H02M 1 - Details of apparatus for conversion (33,954)
07/2003
07/09/2003CN2560157Y Electric source apparatus
07/09/2003CN1429421A AC/DC chopper for power tool
07/09/2003CN1429071A Electromagnetic interference bucking circuit with phase-shifting unit
07/09/2003CN1428924A 开关电源装置 Switching power supply unit
07/09/2003CN1428922A Power factor correction method and its equipment
07/08/2003US6590792 Noise canceling circuit having a changeover device
07/08/2003US6590302 Method for reducing natural system oscillations to ground potential in an electrical drive having a voltage intermediate circuit
07/03/2003WO2003055072A1 Half-bridge driver and power conversion system with such driver
07/03/2003WO2003055055A1 Inverter
07/03/2003WO2003055051A2 A forward converter with controlled reset
07/03/2003WO2003055049A2 Self-regulated cooling system for switching power supplies using parasitic effects of switching
07/03/2003WO2003055047A2 Dual input voltage adapter system and method
07/03/2003WO2003032475A3 Power conversion apparatus, power conversion system, and islanding operation detection method
07/03/2003US20030123266 Power supply starting system
07/02/2003EP1324476A1 Converter with inductor and digital controlled timing
07/02/2003EP0938772B1 Fault control circuit for switched power supply
07/02/2003CN1427535A Power factor improvement device
07/01/2003US6587362 AC-DC converters with bi-directional thyristor valves
07/01/2003US6587356 Start-up circuit and control for high power isolated boost DC/DC converters
06/2003
06/26/2003WO2003052916A1 Universal high efficiency power converter
06/26/2003WO2003052908A2 Circuit arrangement with power factor correction, as well as a corresponding appliance
06/26/2003US20030117825 Power chip set for a switching mode power supply having a device for providing a drive signal to a control unit upon startup
06/26/2003US20030117821 Ac to dc power converter for electronic devices having substantially different output voltagte/current characteristics
06/26/2003US20030117819 Switched-mode power supply with a function for detecting a broken feedback loop
06/26/2003US20030117818 Switching power supply
06/26/2003US20030117815 Method and device for reducing harmonics in power converters
06/26/2003US20030117752 Microprocessor-controlled DC to DC converter with fault protection
06/24/2003US6583998 Power supply regulating having novel charging circuitry
06/24/2003US6583994 Method and apparatus for soft switched AC power distribution
06/24/2003US6583992 High frequency power system and related methods
06/24/2003US6583682 Method of reducing conducted EMI in motor drive applications
06/24/2003US6583663 Power integrated circuit with distributed gate driver
06/24/2003US6583598 Damping of resonant peaks in an electric motor which is operated using a converter with an intermediate voltage circuit, by means of matched impedance to ground at the motor star point, and a corresponding electric motor
06/19/2003WO2003050951A2 Power supply rejection circuit for capacitively-stored reference voltages
06/19/2003WO2003050935A1 Controlled frequency power factor correction circuit and method
06/19/2003WO2003050846A2 Selective potting for controlled failure and electronic devices employing the same
06/19/2003US20030112646 Inverter
06/19/2003US20030112642 Power converter
06/19/2003US20030112568 Over-voltage protection circuit
06/19/2003US20030112040 Power semiconductor device
06/18/2003CN1424822A Load driving circuits with follow current diode
06/18/2003CN1424811A Synchronous rectifying driving circuit for DC converter
06/18/2003CN1424810A DC/DC converter
06/17/2003US6580627 Voltage sensing with high and low side signals for deadtime compensation and shutdown for short circuit protection
06/17/2003US6580625 Power supply circuit for driving power transistor
06/17/2003US6580622 Output feedback and under-voltage detection system
06/17/2003US6580593 Method and apparatus for fault condition protection of a switched mode power supply
06/17/2003US6580259 High efficiency AC-DC converter with power factor corrector
06/17/2003US6580255 Adaptive gate drivers for zero voltage switching power conversion circuits
06/17/2003US6580248 Damping or resonant peaks in an electric motor which is operated using a converter with an intermediate voltage circuit, by means of a transformer-coupled damping resistance, and a corresponding electric motor
06/13/2003CA2364863A1 Inverter
06/12/2003WO2003049130A1 Advanced power distribution system
06/12/2003US20030110405 Apparatus for and method of supplying power with power saving function
06/12/2003US20030107907 Self-regulated cooling system for switching power supplies using parasitic effects of switching
06/12/2003US20030107906 DC power supply device
06/12/2003US20030107905 Load drive circuit using flywheel diode
06/12/2003US20030107904 Converter circuit arrangement for increasing an alternating voltage
06/12/2003US20030107413 Half sine wave resonant drive circuit
06/12/2003US20030107359 Method and apparatus providing a multi-function terminal for a power supply controller
06/12/2003US20030107355 DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon
06/12/2003US20030107354 Power factor correction circuit with a snubber
06/11/2003EP1318605A2 Half sine wave resonant drive circuit
06/11/2003EP1318594A1 Power converter circuit for increasing an AC voltage
06/11/2003EP1317792A1 Filter circuit configuration for a converter circuit
06/11/2003EP1023766B1 Method and circuit for reducing voltage dips in battery supply lines
06/11/2003CN2555585Y Electronic voltage regulator
06/11/2003CN1423418A Semi sine-wave resonance exciting circuit
06/11/2003CN1423402A Control device for zero-voltage conversion step-up power factor correcting circuit
06/10/2003US6577518 Integrated controller for synchronous rectifiers
06/10/2003US6577517 Pulse with modulation control circuit for a high frequency series resonant AC/DC converter
06/10/2003US6577173 Inductive load driving circuit
06/10/2003US6577172 Driver circuit for a power element connected to an inductive load
06/05/2003WO2003047103A1 Switch mode power supply and driving method for efficient rf amplification
06/05/2003WO2003047082A1 Circuit arrangement for operating an electrical machine
06/05/2003WO2003047080A1 Switching power supply
06/05/2003WO2002063770A3 Switching fet circuit
06/05/2003WO2002063765A3 Integrated fet and driver
06/05/2003US20030103366 Dual input AC/DC to programmable DC output converter
06/05/2003US20030103365 Transformerless ac/dc converter
06/05/2003US20030103363 Programmed isolating starting system and method of a switching power supply
06/05/2003US20030103305 Method and circuit for the protection of a thyristor
06/05/2003US20030103302 Power supply rejection circuit for capacitively-stored reference voltages
06/05/2003US20030102850 System and method for detection of zero current condition
06/05/2003US20030102815 Circuit arrangement
06/05/2003DE20305337U1 Compensation circuit for power supply, includes choke in parallel with capacitor
06/04/2003EP1317053A1 Overvoltage compensator
06/04/2003EP1316139A1 Active power factor correction
06/04/2003EP1316137A1 Method and device for controlling power supply
06/04/2003CN2554861Y AC/DC switch converter with high-efficient and low no-loud loss
06/04/2003CN1421992A Tri-phase induction motor driving system and driving method thereof
06/04/2003CN1421985A Dc/dc转换器控制电路和dc/dc转换器系统 Dc / dc converter control circuit and a dc / dc converter system
06/03/2003US6574124 Plural power converters with individual conditioned error signals shared on a current sharing bus
06/03/2003US6574122 Low-noise switching power supply
06/03/2003US6574081 DC-DC converter
06/03/2003US6573674 Circuit for controlling a load to be supplied by an alternating current voltage
05/2003
05/30/2003WO2003044954A1 Circuit arrangement for the reliable switching of electrical circuits
05/30/2003WO2003044939A1 Frequency converter for different mains voltages
05/30/2003WO2003044934A2 Dc/dc conversion system
05/30/2003WO2003044933A1 A parallel feed-forward compensating type power factor correction circuit for a three-phase power source
05/30/2003CA2467679A1 Circuit arrangement for the reliable switching of electrical circuits
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