Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
03/2002
03/06/2002CN2481054Y Switch for electric appliance power supply
03/06/2002CN2481053Y H-bridge three-stage three-phase reverse converting power source
03/06/2002CN2481052Y Electronic rectifier
03/06/2002CN2481051Y Power source for aging component and device
03/06/2002CN1338888A Initiating device of discharge lamp and lighting device
03/06/2002CN1338814A Current-varying frequency converter
03/06/2002CN1338813A High voltage power supply with light emitting discharge tube for protection circuit and fault protecting circuits
03/06/2002CN1080475C Ground fault protecting apparatus and method for solar power generating and solar power generation apparatus using apparatus and method
03/06/2002CN1080211C High voltage power converter system
03/05/2002US6353547 Three-level soft-switched converters
03/05/2002US6353546 Coilless AC/DC power supply device
03/05/2002US6353545 Inverter apparatus with active current limiting and smoothing circuit
03/05/2002US6353543 Switching circuit of power conversion apparatus
03/05/2002US6353354 Pulse-width modulated bridge circuit within a second bridge circuit
03/05/2002US6353307 Controlled rectifier bridge with over-voltage protection
02/2002
02/28/2002WO2002017469A1 Multiple power converter system using combining transformers
02/28/2002WO2002017468A2 Dc voltage level shifter
02/28/2002WO2001089089A3 Bi-directional current source
02/28/2002US20020024828 Inverter suitable for use with portable AC power supply unit
02/28/2002US20020024824 High-voltage DC/DC converter
02/28/2002US20020024783 Filter-switched drive operating mode control
02/28/2002US20020024372 Noise canceling circuit
02/28/2002US20020024307 Electric vehicle drive
02/28/2002US20020024269 Method of driving a piezoelectric transformer and power source apparatus using the same
02/27/2002EP1181847A1 High-voltage transformer and electrodynamic particle accelerator
02/27/2002EP1134882A9 Frequency converter
02/27/2002CN1337775A Solar power generator and its inversion step-up circuit
02/27/2002CN1080081C Inverter device
02/27/2002CN1080022C Power unit for transferring energy by alternately switching winding circuits of transformer at high speed and energy transferring method thereof
02/26/2002US6351399 Power converter
02/26/2002US6351359 Circuit for blocking a semiconductor switching device on overcurrent
02/26/2002US6351095 Polyphase induction electrical rotating machine
02/21/2002WO2002015393A2 Digital class-d audio amplifier
02/21/2002WO2002015377A1 Power supply unit
02/21/2002WO2001076068A3 Circuitry for supplying a controlled signal to a drive system
02/21/2002US20020021578 Synchronous rectification circuit of DC-DC converter
02/21/2002US20020021560 Gate driver multi-chip module
02/21/2002US20020021051 Frequency converter
02/21/2002DE10038814A1 Hochspannungs-Gleichstromwandler High-voltage direct current converter
02/21/2002DE10038619A1 Digitally controlled operation of an electromagnet using a microcontrolled thyristor
02/21/2002DE10037379A1 Modular aufgebauter Stromrichter A modular power converter
02/21/2002DE10036234A1 Frequenzumrichter mit einem aus Oberteil und Unterteil bestehenden Gehäuse Frequency converters consisting of upper part and lower part of the housing
02/20/2002EP0862844B1 Electronic transformer
02/20/2002CN2478279Y Mains converter able to change d.c into a.c
02/20/2002CN2478278Y Anti-impact converting mains
02/20/2002CN2477310Y Energy saving electric iron stand
02/20/2002CN1337036A Driving circuit and display
02/20/2002CN1336717A Rectifying power supply apparatus
02/20/2002CN1336689A Circuit structure of small inductor
02/19/2002US6349048 Voltage converter circuit having a self-oscillating half-bridge structure
02/19/2002US6349047 Full wave rectifier circuit using normally off JFETs
02/19/2002US6348755 Method and apparatus for driving piezoelectric transformer
02/14/2002WO2002013364A1 A method and a device for providing a vsc-converter with voltage
02/14/2002WO2002013363A1 Low-inductivity bar assembly for a matrix converter
02/14/2002US20020018353 Low-inductance circuit arrangement
02/14/2002US20020017878 Power supply apparatus, an electronic ballast using the power supply, and a self-ballasted fluorescent lamp
02/14/2002US20020017717 Semiconductor clamped-stack assembly
02/14/2002DE10113967A1 Leistungsmodul Power module
02/13/2002CN2476898Y All-bridge phase-shift zero-pressure zero-current device with improved structure
02/13/2002CN1335670A A/D converter control operation
02/13/2002CN1335668A Voltage balancer circuit for power converter
02/12/2002US6346797 Load matched alternator system
02/07/2002WO2002011274A1 Alexander topology resonance energy converter and inversion circuit
02/07/2002WO2002011273A1 Modular power converter
02/07/2002WO2002011210A1 Inverter
02/07/2002WO2001082445A3 Multiple power generator connection method and system
02/07/2002US20020015320 Rectifier and transformer thereof
02/07/2002US20020015317 Power supply apparatus and power supply system
02/07/2002US20020015316 Power control method and circuit, and power supply unit
02/07/2002US20020014881 Voltage regulator of vehicle AC generator
02/07/2002US20020014668 Semiconductor device
02/07/2002CA2392575A1 Inverter
02/06/2002EP1178596A1 Inverter device
02/06/2002EP1178595A2 Arrangement with a low inductance for circuit
02/06/2002EP1178593A1 Semiconductor press stack
02/06/2002EP1177712A1 Frequency controlled ballast with loosely coupled transformer with gap shunt and method therefor
02/06/2002EP1177615A1 Control of a dc matrix converter
02/06/2002EP1177614A1 Modular power supply for generating a high voltage dc output
02/06/2002EP1177409A2 Non-lethal projectile systems
02/06/2002CN2476135Y Three phase four wire system inverter
02/06/2002CN1334985A Inverter controller
02/06/2002CN1334640A Optional waveform generator based on mixed units cascaded inverter circuit and its method
02/06/2002CN1334639A AC/DC converter controlled by FET and its application
02/06/2002CN1078974C Voltage multiplier with output voltage practically independent of supply voltage
01/2002
01/31/2002WO2001071900A3 Method and apparatus for direct synchronous rectification in a pulse-width modulated motor controller
01/31/2002US20020012261 A.C./D.C. converter
01/31/2002US20020012260 Pulse width modulation control circuit for a high frequency series resonant AC/DC converter
01/31/2002US20020012255 Voltage compensating apparatus and method for 3-phase inverter employing four switches
01/31/2002US20020011825 AC-DC converter with reduced energy loss through a switching element
01/31/2002US20020011658 Surface-mounting type electronic circuit unit suitable for miniaturization
01/31/2002US20020011363 Semiconductor apparatus, power converter and automobile
01/31/2002DE10128658A1 Generator for producing a current, incorporates power stages connected to an existing supply voltage, a high-frequency kHz drive stage, two capacitor blocks and a set of coils.
01/31/2002DE10037533C1 Induktivitätsarme Schaltungsanordnung Inductance circuit
01/31/2002DE10033438A1 Phase unit for voltage intermediate circuit converter, has semiconducting switches and diodes placed immediately adjacent to each other to ensure minimal commutation distance
01/30/2002EP1176707A1 Voltage converter circuit with self oscillating half bridge configuration and with protection against hard switching
01/30/2002EP1176706A2 Frequency converter with a housing consisting in an upper part and a lower part
01/30/2002EP1176688A1 AC to DC converter
01/30/2002CN2475228Y Wireless remote-receiver with power circuit
01/30/2002CN2475222Y AC bypass change-over monitor for use in inverter
01/30/2002CN1333591A Coil-free ac/dc power source