Patents for H02M 1 - Details of apparatus for conversion (33,954)
10/2005
10/27/2005DE102004015082A1 Current signal decoupling method for inductive decoupling high-frequency alternating current signals from direct currents and/or low-frequency currents retains equal impedance
10/26/2005EP1589648A2 A DC/DC three-phase converter
10/26/2005EP1589647A2 Current-voltage converter and relative control circuit
10/26/2005EP1589646A2 Protection circuit for a switched mode power supply
10/26/2005EP1589645A2 Circuit for converting an AC voltage into a DC voltage
10/26/2005EP1589644A1 Protection circuit for a switched mode power supply
10/26/2005CN2737057Y Power supply device having thermal failure alarm function
10/26/2005CN1688088A Electronic trigger system of controllable series compensing thyristor
10/26/2005CN1688087A Spring hanging mechanism for thyristor valve
10/26/2005CN1688086A Mechanical mounting structure for controllable series compensation thyristor valve
10/26/2005CN1687857A Low harmonic current power regulating method and apparatus
10/25/2005US6958923 Rectifying circuit
10/25/2005US6958922 High output power quasi-square wave inverter circuit
10/25/2005US6958596 Compensation sample and hold for voltage regulator amplifier
10/25/2005US6958592 Adaptive delay control circuit for switched mode power supply
10/22/2005CA2505274A1 Circuit for converting an ac voltage to a dc voltage
10/20/2005WO2005062455A8 Device for power adjustment by phase control and method for reduction of harmonic waves
10/20/2005WO2005020286A3 Active oring controller for redundant power systems
10/20/2005US20050231990 Semiconductor device
10/20/2005US20050231989 Drive circuit and power supply apparatus
10/20/2005US20050231986 System and method for adjusting the current limit of a power supply
10/20/2005US20050231253 Current driver employing pulse-width modulation
10/20/2005US20050231182 Process device with switching power supply
10/20/2005US20050231133 LED power control methods and apparatus
10/19/2005EP1586163A1 Filter network
10/19/2005EP1543611A4 Providing dc isolation in switching amplifiers
10/19/2005EP0927463A4 Solid-state high voltage switch and switching power supply
10/19/2005CN2735648Y Power converter
10/19/2005CN2735645Y Improved passive power regulator
10/19/2005CN1685598A Global closed loop control system with DV/DT control and EMI/switching loss reduction
10/19/2005CN1684350A Time delay control scheme for a power supply with multiple outputs
10/18/2005US6956752 Power supply architecture with controlled power-on and power-off sequence
10/18/2005US6956751 Motor power supply
10/18/2005US6956427 Electrically insulated switching element drive circuit
10/18/2005US6956305 Voltage fluctuation compensating apparatus
10/18/2005CA2416338C Power supply start up circuit
10/13/2005WO2005096487A2 Circuit arrangement for aircraft engine regulators
10/13/2005WO2005096486A1 High-voltage pulse generating circuit
10/13/2005WO2005096480A1 Power supply and display
10/13/2005US20050226016 Precharge circuit that adjusts current with temperature
10/13/2005US20050226015 Power factor impoving circuit
10/13/2005US20050226012 Soft-switched power converters
10/13/2005US20050226011 Method and apparatus for starting power converters
10/13/2005US20050226010 Circuit arrangement for a resonant converter and method of operating said converter
10/13/2005US20050226008 Power source apparatus
10/13/2005US20050225908 Power converter system and method
10/13/2005US20050225351 Method for detecting a power load of a power supply module according to duty cycle detection, and related device
10/13/2005US20050225275 Method for controlling an electric motor to reduce EMI
10/13/2005US20050225176 Time delay control scheme for a power supply with multiple outputs
10/13/2005DE4228640B4 Vorschaltgerät für eine Gasentladunglampe mit stromnulldurchgangsgesteuertem Sperrwandler Ballast for a gas discharge lamp with stromnulldurchgangsgesteuertem flyback converter
10/13/2005DE10393219T5 Überspannungsschutzmodul und Stromrichtervorrichtung Overvoltage protection module and power converter apparatus
10/12/2005EP1584133A1 Electric machine for the propulsion drive of a submarine of a synchronous machine excited by a permanent magnet
10/12/2005CN2733736Y DC power supply for household appliances
10/12/2005CN2733735Y Radiating structure suitable for variable frequency speed control cabinet
10/12/2005CN2733369Y Real-time detector for rectification filtering capacitance of voltage source type high-voltage inversion system
10/12/2005CN1682576A Electronic ballast with charge pump for active power factor calibration
10/12/2005CN1682445A Converter circuit and control method for same
10/12/2005CN1682425A Electrical circuit for voltage transformation and use of said electrical circuit
10/12/2005CN1682424A Switching power supply unit
10/12/2005CN1681190A Circuit of reverse-flow circuit with power factor correct
10/12/2005CN1223239C Sequential burst mode activation circuit
10/12/2005CN1223072C Power factor improvement device
10/11/2005US6954056 Switching power supply unit and controller IC thereof
10/11/2005US6954055 Switching device driving apparatus and DC/DC converter incorporating the same
10/11/2005US6954008 Integrated power supply apparatus for information appliances
10/11/2005CA2243618C Method and device for driving a turn-off thyristor
10/06/2005WO2005093960A1 Single-stage pfc and power converter circuit
10/06/2005WO2005093935A1 Switching power supply unit
10/06/2005US20050222787 Method for the calculation and the assessment of the frequency spectrum of a matrix converter
10/06/2005US20050219875 Control circuit for switching power supply
10/06/2005US20050219874 Method for improving the mode of operation of a matrix converter
10/06/2005US20050219872 Power factor correction control methods and apparatus
10/06/2005US20050219871 Piecewise on-time modulation apparatus and method for a power factor corrector
10/06/2005US20050219869 Power factor correction circuit
10/06/2005US20050218963 Method of forming a self-gated transistor and structure therefor
10/06/2005US20050218873 Switching regulator with reduced conducted emissions
10/06/2005US20050218870 Power control methods and apparatus
10/06/2005US20050218838 LED-based lighting network power control methods and apparatus
10/06/2005US20050218828 Converter circuit with coupled inductances
10/06/2005US20050218724 Converter containing time sequence
10/06/2005US20050217982 Power switching device to enable power switching between single phase power and three phase power
10/06/2005DE102004049113A1 Gate-control circuit for semiconductor switch e.g. for automobile engineering, uses bootstrap capacitor for operating at lowest gate voltage for full operation of first switch
10/06/2005DE102004014767A1 Schaltungsanordnung für Flugtriebwerksregler Circuit arrangement for aircraft engine controller
10/06/2005CA2503981A1 Converter circuit with coupled inductances
10/05/2005EP1583402A1 Control of lighting devices with a central AC/DC cascaded converter
10/05/2005EP1497910B1 Switched-mode power supply arrangement
10/05/2005EP1440502B1 Dual input ac and dc power supply having a programmable dc output utilizing a secondary buck converter
10/05/2005CN2731831Y Converter
10/05/2005CN2731827Y Wall hanging power source system
10/05/2005CN1679222A 有源emi滤波器 Active emi filter
10/05/2005CN1679221A Snubber module and power conversion device
10/05/2005CN1677856A 驱动装置 Drive
10/05/2005CN1677812A Power factor correction circuit
10/05/2005CN1677811A Electric converter of hybrid electric filter
10/05/2005CN1222101C Switched power supplying device
10/05/2005CN1222100C Great-power switch power supply device with no electromagnetic pollution
10/05/2005CN1222099C Grid driver for thyratron
10/05/2005CN1221770C Refrigerating apparatus and an inverter device used therein
10/04/2005US6952356 Adaptive over-current detection
10/04/2005US6952355 Two-stage converter using low permeability magnetics