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)
08/2003
08/07/2003WO2003055047A3 Dual input voltage adapter system and method
08/07/2003WO2003010876A3 Power factor correction circuit with a coil
08/07/2003WO2002095914A3 Half-bridge gate driver circuit
08/07/2003WO2002078158A3 Active filter for power distribution system with selectable harmonic elimination
08/07/2003US20030147264 Circuit configuration combining synchronous rectifier circuit for converter with LC snubber circuit
08/07/2003US20030146784 Method and clamping apparatus for securing a minimum reference voltage in a video display boost regulator
08/06/2003EP1333568A2 Direct conversion programmable power source controller
08/06/2003EP1333562A1 Converter with output current reading circuit
08/06/2003EP1332646A2 Electronic ballast with continued conduction of line current
08/06/2003EP1332545A1 Ac/dc converter
08/06/2003CN2565198Y High-voltage frequency change speed regulator
08/06/2003CN1434559A Factor correction circuit for frequency-conversion domestic electric appliances controller
08/06/2003CN1434558A AC follow current circuit
08/06/2003CN1117423C Power converting system
08/05/2003US6603317 Leakage current reduction circuit and power supply employing the same
08/05/2003US6603291 Integrated FET and driver for use in a synchronous dc-dc conversion circuit
07/2003
07/31/2003WO2003063567A1 Modular power converter having fluid cooled support
07/31/2003WO2003063564A1 Compact fluid cooled power converter supporting multiple circuit boards
07/31/2003WO2003063330A1 Controller for power converter
07/31/2003WO2003063329A2 Power converter having improved emi shielding
07/31/2003WO2003063327A2 Multicellular dc/dc voltage converter with protection switches
07/31/2003US20030142522 Rectifier system
07/31/2003US20030142516 Method to reduce bus voltage stress in a single-stage single switch power factor correction circuit
07/31/2003US20030142088 Method and system for precharging OLED/PLED displays with a precharge latency
07/31/2003US20030141827 Power factor correction circuit with faster bus charging rate during startup
07/30/2003EP1331724A2 Matrix converter for electrical energy conversion
07/30/2003EP1331722A1 Switched mode power supply
07/30/2003EP1330943A1 Ballast self oscillating inverter with phase controlled voltage feedback
07/30/2003EP1330865A1 Method and pulse-control circuit for a power component
07/30/2003CN2563824Y Pulse trigger controlled by single chip machine
07/30/2003CN1433130A Matrix converter for converting electric energy
07/30/2003CN1433129A Matrix converter for converting electric energy
07/30/2003CN1116731C Method and device for suppressing ripples for high power DC power supply
07/29/2003US6600668 Crowbar circuit for low output voltage DC/DC converters
07/29/2003US6600667 Electronic transformer
07/29/2003US6600292 Power controller utilizing power factor correction
07/29/2003US6600271 Method and apparatus of an improved electronics ballast circuit
07/29/2003US6600237 Method for controlling a plurality of electrical loads operated at the same time by a current source
07/24/2003WO2003061102A2 Power supply filtering
07/24/2003WO2003033749A8 Matrix element precharge voltage adjusting apparatus and method
07/24/2003US20030137341 Method and system for charge pump active gate drive
07/24/2003US20030137197 Power factor corrected UPS with improved connection of battery to neutral
07/23/2003EP1330016A2 Power supply start up circuit
07/23/2003EP1330015A1 Magnetic core, coil component comprising it, and power source circuit
07/23/2003EP1329954A1 Matrixconverter for transforming electrical energy
07/23/2003CN2562489Y Voltage reduced active power factor calibrator
07/23/2003CN2562488Y Voltage reduced active power factor calibrator
07/23/2003CN2562487Y Modular power supply
07/23/2003CN1431760A Dual positive excitated DC-DC power transfer device with soft switch in three electrical levels
07/23/2003CN1115766C Inverter
07/22/2003USRE38196 Control of stored magnetic energy in power converter transformers
07/22/2003US6597592 Apparatus and method for turning off BJT used as controlled rectifier
07/22/2003US6597591 Transformerless AC/DC converter
07/22/2003US6597590 3-Level inverter apparatus
07/22/2003US6597589 Power converter
07/22/2003US6597555 Gate driver for thyristor
07/17/2003WO2003058804A2 Driver circuit for controlling a resonant converter
07/17/2003WO2003058799A1 Power factor improving converter and control method thereof
07/17/2003WO2003058797A1 Power factor controller
07/17/2003WO2003058791A2 Active emi filter with feed forward cancellation
07/17/2003WO2003058653A2 System and method for coordinated control of a switched power capacitor with an integrated resonance protection system
07/17/2003WO2003058370A1 Logic controlled high voltage resonant switching power supply
07/17/2003US20030133319 Compact fluid cooled power converter supporting multiple circuit boards
07/17/2003US20030133318 Power converter having improved terminal structure
07/17/2003US20030133316 Variable frequency electric signal generator, automatic control and low cost computing means
07/17/2003US20030133315 Power supply start up circuit
07/17/2003US20030133283 Vehicle drive module having improved EMI shielding
07/17/2003US20030133282 Power converter having improved EMI shielding
07/17/2003US20030133268 Thermally matched fluid cooled power converter
07/17/2003US20030133267 Cooled electrical terminal assembly and device incorporating same
07/17/2003US20030133259 Compact vehicle drive module having improved thermal control
07/17/2003US20030133257 Modular power converter having fluid cooled support
07/17/2003US20030132668 Programmable power supply to simultaneously power a plurality of electronic devices
07/17/2003US20030132042 Vehicle drive module having improved terminal design
07/17/2003US20030132041 Fluid cooled vehicle drive module
07/17/2003US20030132040 Vehicle drive module having improved cooling configuration
07/17/2003CA2471231A1 Power factor controller
07/17/2003CA2416190A1 Matrix converter for the transformation of electrical energy
07/16/2003CN2561159Y Electromagnetic interference wave filter for power source supplier
07/16/2003CN1430807A Power converter
07/16/2003CN1114987C Single-stage AC/DC converter with power factor correction
07/15/2003US6594165 Circuit for converting AC voltage into DC voltage
07/15/2003US6594164 PWM controlled power conversion device
07/15/2003US6594158 AC/DC converter with power factor correction (PFC)
07/15/2003US6594130 Method and circuit for the protection of a thyristor
07/15/2003US6593781 Power semiconductor device
07/15/2003US6591821 Variable voltage regulator for electronic accelerator in automobile
07/15/2003CA2230260C A method for communication between a low potential level and a valve located on high voltage potential in a high voltage converter station as well as a device for such a communication
07/10/2003US20030128563 Method and control circuitry for a three-phase three-level boost-type rectifier
07/10/2003US20030128561 Power converter
07/10/2003US20030128558 Active EMI filter with feed forward cancellation
07/10/2003US20030128557 Method and system for limiting in rush current of a power supply filter
07/10/2003US20030128556 Voltage sense method and circuit for start-up of parallel switching converters with output current bi-directional switches
07/10/2003US20030128487 Parellel power supply system with over-voltage protection circuit
07/10/2003US20030128020 Programmable power supply
07/09/2003EP1326081A2 Zero-cross detection circuit
07/09/2003EP1325551A1 Multiple power converter system using combining transformers
07/09/2003EP1325548A2 A system and method for grouped gating control logic
07/09/2003EP1279178A4 Miniaturized ac/dc power supply and battery charger
07/09/2003CN2560158Y Single-tube voltage reducing active power factor corrector
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