Patents for H02M 1 - Details of apparatus for conversion (33,954)
05/2003
05/29/2003US20030099123 Method and apparatus for balancing active capacitor leakage current
05/29/2003US20030099120 Semiconductor converter circuit and circuit module
05/29/2003US20030098678 DC/DC converter control circuit and DC/DC converter system
05/29/2003US20030098658 Method and apparatus for a protective ballast circuit
05/28/2003EP1315298A1 System and method for driving three-phase induction motor
05/28/2003EP1315276A2 Method and apparatus for balancing active capacitor leakage current
05/28/2003EP1315264A1 Method for earth fault monitoring of a power converter drive
05/28/2003EP1314237A1 Rectifier circuit suited to power factor correction
05/28/2003EP0689689B1 Energy saving power control system
05/28/2003CN2553566Y Single tube voltage-reducing active power factor correcting device
05/28/2003CN2553565Y Compensation circuit for power-supply device
05/28/2003CN2553564Y Intelligent electric power drawing module
05/28/2003CN1420612A 电源 Power supply
05/28/2003CN1420611A Three-phase power supply parallel feedforward compensation power factor correction circuit
05/27/2003US6570777 Half sine wave resonant drive circuit
05/27/2003US6570774 Capacitor module for use in inverter, inverter, and capacitor module
05/27/2003US6570366 Active power factor correction circuit
05/22/2003WO2003043168A2 Distributed architecture control system for static power inverters
05/22/2003WO2003043167A1 Electric motor drive
05/22/2003US20030095421 Power factor correction circuit
05/22/2003US20030095420 Resonant power supply circuit
05/22/2003US20030095419 Switching power supply circuit
05/22/2003US20030095365 Semiconductor equipment
05/22/2003US20030094908 Multiple ballasts operable from a single DC bus
05/22/2003CA2466666A1 Distributed architecture control system for static power inverters
05/21/2003EP1313204A1 Arrangement for DC-DC converter
05/21/2003EP1313202A2 Switching power supply circuit
05/21/2003CN1419735A Method for protecting a matrix converter against overvoltages and an active overvoltage device
05/21/2003CN1419734A Lossless switching converter with dc transformer
05/20/2003US6567922 Pulse type activating system for power supply
05/20/2003US6567283 Enhanced conduction angle power factor correction topology
05/20/2003US6567281 Individual or distributed non-saturating magnetic element(s) power converters and multi-stage converters
05/20/2003US6566766 DC-DC converter circuit, power supply selection circuit, and apparatus
05/15/2003WO2003041257A2 Converter and method for generation of an overload signal
05/15/2003WO2003041249A1 Dc-dc converter with resonant gate drive
05/15/2003WO2003041189A2 Method and device for supplying electric power to an appliance
05/15/2003WO2003030218A3 Apparatus and method for turning off bjt used as controlled rectifier
05/15/2003US20030090918 DC-DC converter with resonant gate drive
05/15/2003US20030090242 Active power factor correction circuit
05/15/2003US20030090241 Power converter with shunt resistor
05/15/2003US20030090217 Portable electronic ballast
05/15/2003US20030090216 Lighting ballast with reverse current flow protection
05/14/2003EP1310037A1 Device for effecting the basic interference suppression of a matrix converter
05/14/2003CN1418398A Leakage energy recovering system and method for flyback converter
05/14/2003CN1418397A Switching power supply with storage capacitance and power regulation
05/14/2003CN1418395A Switchable power converter for multiple level input line factor correction
05/14/2003CN1417916A Compressor controller
05/14/2003CN1108657C 功率逆变器装置 Power inverter means
05/13/2003US6563724 Apparatus and method for turning off BJT used as synchronous rectifier
05/13/2003US6563723 Fault tolerant power supply circuit
05/13/2003US6563721 Power supply with multiple AC input voltages
05/13/2003US6562494 Electro-chemical power generation systems employing arrays of electronically-controllable discharging and/or recharging cells within a unitary support structure
05/13/2003US6562137 Power supply control system
05/08/2003WO2003038987A1 Method for operating a control device
05/08/2003WO2003038981A1 Dual input ac and dc power supply having a programmable dc output utilizing a secondary buck converter
05/08/2003WO2003038980A1 Dual input ac/dc/battery operated power supply
05/08/2003WO2003038979A1 Dual input ac and dc power supply having a programmable dc output utilizing single-loop optical feedback
05/08/2003WO2003038978A1 Dual input ac/dc to programmable dc output converter
05/08/2003WO2002071585A3 Circuit and method for inputting a start signal for a controller
05/08/2003WO2002031950A3 System and method for detection of zero current condition
05/08/2003US20030088595 Resonant protection kit for power supply
05/08/2003US20030087918 Substituted with purine or pyrimidine bases
05/08/2003US20030086282 DC-to-DC converter
05/08/2003US20030085752 Charge pump with current limiting circuit
05/07/2003EP1309075A2 Controlling device of compressor
05/07/2003EP1307964A1 Device for rapid short-circuit protection in a power semiconductor
05/07/2003CN2549644Y 高频安定电路 High frequency circuit stability
05/07/2003CN2549643Y Housing device of power supplier
05/07/2003CN1416612A Alternator system
05/06/2003US6559673 Apparatus and method for power continuity testing in a parallel testing system
05/02/2003EP1306965A2 Power supply unit
05/02/2003EP1305872A1 Switched mode power supply control
05/02/2003EP1097505B8 Modular apparatus for regulating the harmonics of current drawn from power lines
05/02/2003EP1040558B1 Method for influencing the electrical power of a load with a pulse width modulated signal
05/01/2003WO2003036784A1 Rectifying circuit
05/01/2003WO2002087062A3 Current inverter
05/01/2003US20030081439 Dual input AC/DC/ battery operated power supply
05/01/2003US20030081366 Method for protection of a matrix converter against overvoltages, and an active overvoltage device
05/01/2003US20030080717 Semiconductor device
05/01/2003US20030080623 Dual input AC and DC power supply having a programmable DC output utilizing single-loop optical feedback
05/01/2003US20030079486 Controlling device of compressor
04/2003
04/30/2003CN1414690A By-pass circuit of high voltage variable frequency speed regulator
04/29/2003US6556462 High power factor converter with a boost circuit having continuous/discontinuous modes
04/29/2003US6556460 Method for controlling a vehicle provided with an electric power converter
04/29/2003US6556053 Half-bridge gate driver optimized for hard-switching
04/24/2003WO2003034587A1 Method and system for proportional plus integral loop compensation using a hybrid of switched capacitor and linear amplifiers
04/24/2003WO2003034576A2 Method and system for charge pump active gate drive
04/24/2003WO2003034391A2 Method and system for adjusting the voltage of a precharge circuit
04/24/2003WO2003034388A2 Circuit for predictive control of boost current in a passive matrix oled display and method therefor
04/24/2003WO2003034387A2 Method and clamping apparatus for securing a minimum reference voltage in a video display boost regulator
04/24/2003WO2003034386A2 Method and system for ramp control of precharge voltage
04/24/2003WO2003034385A2 System and method for illumination timing compensation in response to row resistance
04/24/2003WO2003034384A2 Method and system for precharging oled/pled displays with a precharge latency
04/24/2003WO2003034383A2 Drive circuit for adaptive control of precharge current and method therefor
04/24/2003WO2003033749A1 Matrix element precharge voltage adjusting apparatus and method
04/24/2003WO2002063752A3 Synchronous dc-dc converter
04/24/2003WO2002041462A3 Inverter dc link volts 'tooth' modulation scheme
04/24/2003US20030076695 Area efficient method of detecting when a switch-mode power supply is within regulation
04/24/2003US20030076233 Fault detection system
04/24/2003US20030076232 Fault detection system