Patents for H02M 1 - Details of apparatus for conversion (33,954)
10/2003
10/22/2003EP1355411A1 Power apparatus
10/22/2003EP1355409A2 Power supply device
10/22/2003EP0938770B1 Fault control circuit for switched power supply
10/22/2003CN2582267Y Casing of electric power variable device
10/22/2003CN1125526C Triphase power factor controllable inverter
10/21/2003US6636430 Energy transfer concept in AC/DC switch mode power supply with power factor correction
10/21/2003US6636107 Active filter for reduction of common mode current
10/21/2003US6636025 Controller for switch mode power supply
10/21/2003US6636024 Switching voltage converter with half bridge output as reference voltage
10/21/2003US6636019 Uninterruptable power supply with energy control
10/16/2003WO2003085818A1 Converter system, method and converter
10/16/2003WO2003085813A2 Line frequency switching regulator
10/16/2003WO2003034386A3 Method and system for ramp control of precharge voltage
10/16/2003WO2003030342A3 Soft-start of dc link capacitors for power electronics and drive systems
10/16/2003WO2001069769A3 Dual input range power supply using two series or parallel connected converter sections with automatic power balancing
10/16/2003US20030193820 Synchronous rectifying circuit for flyback converter
10/16/2003US20030193819 Power semiconductor device
10/15/2003EP1352464A2 Preconditioner
10/15/2003EP1352463A1 A high efficiency ac-dc converter with power factor corrector
10/15/2003EP1352462A1 Local supply generator for a digital cmos integrated circuit having an analog signal processing circuitry
10/15/2003CN1448669A Refrigerating apparatus and an inverter device used therein
10/15/2003CN1124678C Power control unit
10/15/2003CN1124676C Switching type power supply
10/15/2003CN1124675C Active peak current controlled filter with high fixed-frequency powre factor
10/15/2003CN1124673C Device for removing noise in ac power waveform
10/14/2003US6633495 DC apparatus and vehicle using the same
10/14/2003US6633285 Driving circuit and display
10/14/2003CA2310391C Inverter without harmonics
10/14/2003CA2136276C Power interrupting component control circuit feeding device
10/09/2003WO2003044934A3 Dc/dc conversion system
10/08/2003EP1055280B1 Self-drive synchronous rectification scheme
10/08/2003CN2579074Y Large area induction alarm of interfrence-free power supply
10/08/2003CN1447512A Control signal transporter in high voltage frequency converter
10/08/2003CN1124035C Switching mains with operating working mode and spare working mode
10/08/2003CN1123963C Voltage-Oppressed voltage source using partial resonance
10/08/2003CN1123959C Method for generating control pulses of electric or electronic equipment
10/08/2003CN1123952C Circuit for blocking semiconductor switching device on overcurrent
10/07/2003US6630805 Actively controlled regenerative snubber for unipolar brushless DC motors
10/07/2003US6630799 Resonant power supply and apparatus for producing vacuum arc discharges
10/02/2003WO2003081962A1 Dimmer circuit with improved inductive load imbalance protection
10/02/2003WO2003081961A1 Improved dimmer circuit arrangement
10/02/2003WO2003081757A1 Apparatus and method for filtering voltage for an electrostatic precipitator
10/02/2003WO2003081756A2 Circuit used for power factor correction
10/02/2003WO2003081364A1 Dimmer circuit with improved ripple control
10/02/2003US20030184410 Network filter
10/02/2003US20030184270 Power supply rejection technique for switching amplifier
10/02/2003US20030182956 Refrigerating apparatus and an inverter device used therein
10/02/2003CA2480413A1 Dimmer circuit with improved inductive load imbalance protection
10/02/2003CA2480407A1 Improved dimmer circuit arrangement
10/02/2003CA2480391A1 Dimmer circuit with improved ripple control
10/02/2003CA2479981A1 Circuit for power factor correction
10/01/2003EP1349262A1 Switched mode power supply
10/01/2003EP1349254A1 Power rectifier with power supply cut-off means
10/01/2003CN1445929A Solid-state relay
10/01/2003CN1445928A Drive circuit of power semiconductor element
10/01/2003CN1445927A Drive circuit of power device
10/01/2003CN1445913A Power supply modole
09/2003
09/30/2003US6629064 Apparatus and method for distortion compensation
09/30/2003US6628532 Drive circuit for a voltage-controlled switch
09/30/2003US6628492 Disarm circuit using semiconductor switch device
09/30/2003US6628094 Method and apparatus for canceling ripple current in a lamp
09/30/2003US6628011 DC to DC converter and power management system
09/25/2003WO2003079528A1 High power factor switching power source apparatus
09/25/2003WO2003079527A2 Three-terminal, low voltage pulse width modulation controller ic
09/25/2003US20030180997 Drive circuit for a power semiconductor device
09/25/2003US20030179597 Dc power conditioning system
09/25/2003US20030179594 Device for effecting the basic interference suppression of a matrix converter
09/25/2003US20030179020 Circuit for driving a power device
09/25/2003DE20220525U1 Switching network adaptor with reduced interference for energy supply to electric or electronic consumer appliances, comprises rectifier diode in series with secondary coil and switch between divided primary coils
09/24/2003EP1347552A2 Reactive power control
09/24/2003EP1346612A2 Improved control circuit for power factor corrected electronic ballasts and power supplies
09/24/2003EP1346451A1 Method and circuitry for active inrush current limiter and power factor control
09/24/2003EP1196982B1 Boost bridge amplifier
09/24/2003CN1122353C 开关变换器 Switching Converters
09/24/2003CN1122352C Multi channel cooperative voltage regulation for SCR
09/23/2003US6625044 Programmed isolating starting system and method of a switching power supply
09/23/2003CA2219343C A high voltage converter circuit
09/18/2003WO2003077409A1 Electricity curtailment machine that use a no-load damage interception magnetic field
09/18/2003WO2003077408A1 H-bridge with single lead frame
09/18/2003WO2003077406A2 Power-supply unit for electronic oven
09/18/2003WO2003055051A3 A forward converter with controlled reset
09/18/2003WO2002095914B1 Half-bridge gate driver circuit
09/18/2003WO2002023694A3 Power factor correction control circuit and power supply including same
09/18/2003US20030174528 Three-terminal, low voltage pulse width modulation controller ic
09/18/2003US20030174521 Low cost AC/DC converter with power factor correction
09/18/2003US20030173938 Reactive power control
09/18/2003US20030173935 Synchronous generator
09/18/2003US20030173922 D.c. motor bridge coil driver
09/18/2003US20030173904 Matrix element precharge voltage adjusting apparatus and method
09/17/2003EP1345325A2 Solid-state relay
09/17/2003CN2574296Y Switch power supply circuit unit convenient to implement standly-by state for set-top box
09/17/2003CN1121745C Power supply device with user's peak adjusting
09/16/2003US6621329 Semiconductor device
09/16/2003US6621253 Amplifier having a variable power factor
09/16/2003US6621238 Power factor correction circuit with faster bus charging rate during startup
09/12/2003WO2003075444A1 Ac-dc converter with low ripple output
09/12/2003WO2003075428A1 Uninterrupted power supply and the method for driving its converters
09/12/2003WO2002093724A9 Active common mode filter connected in a-c line
09/11/2003US20030172103 Filter configuration, method for filtering an analog filter input signal, and power factor controller
09/11/2003US20030169606 Start-up circuit for switched mode power supply