Patents for H02M 1 - Details of apparatus for conversion (33,954)
12/2003
12/24/2003CN1132299C 具有电流和电压限制的开关模式电源 With a current and voltage limit switch mode power supply
12/24/2003CN1132298C Triphase single-switch power factor correcting step-up converter
12/24/2003CN1132296C Switched power supply with active harmonics limiting
12/23/2003US6667601 Control arrangement and method for power electronic system
12/23/2003US6667461 Multiple load protection and control device
12/18/2003WO2003105328A1 Current-compensated choke and circuit arrangement comprising the current-compensated choke
12/18/2003WO2003034385A3 System and method for illumination timing compensation in response to row resistance
12/18/2003WO2003034384A3 Method and system for precharging oled/pled displays with a precharge latency
12/18/2003US20030231515 Apparatus for noise current reduction in power converters
12/18/2003US20030231444 Solid-state relay
12/18/2003US20030231011 Switching device driving apparatus and DC/DC converter incorporating the same
12/17/2003EP1372254A2 Programmable power supply capable of receiving AC and DC power input
12/17/2003EP1372253A1 Apparatus and method for reducing BUS voltage stress in a single-stage single switch power factor correction circuit
12/17/2003EP1372131A2 Driving circuit and display
12/17/2003EP1371128A2 Dual input range power supply using two series or parallel connected converter sections with automatic power balancing
12/17/2003EP1371127A1 Lossless switching dc-to-dc converter
12/17/2003EP1371126A2 Active filter for power distribution system with selectable harmonic elimination
12/17/2003CN2593453Y High power medium frequency power electronic rippleless reactor
12/17/2003CN2593452Y Power source supply apparatus with high power
12/17/2003CN2593451Y Electromagnetic converting element of DC/DC converter
12/17/2003CN1462109A Auxiliary output voltage control realized using idirectional magnetization magnetic amplifier
12/17/2003CN1462108A Auxiliary output voltage control circuit of feedback power convertor prossessing magnetic amplifier
12/16/2003US6664822 Driving device having dummy circuit
12/16/2003US6664772 DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon
12/16/2003US6664750 D.C. motor bridge coil driver
12/16/2003US6664660 Parallel power supply system with over-voltage protection circuit
12/11/2003WO2003103121A1 Converter
12/11/2003WO2003103118A1 Electrical power supply circuit and corresponding method
12/11/2003WO2003103116A2 Method and apparatus for active power factor correction with minimum input current distortion
12/11/2003WO2003058653A3 System and method for coordinated control of a switched power capacitor with an integrated resonance protection system
12/11/2003WO2003050846A3 Selective potting for controlled failure and electronic devices employing the same
12/11/2003US20030228792 Cradle for receiving an adapter
12/11/2003US20030227786 Dual supply voltages converter and method
12/11/2003US20030227784 Single-stage power factor correction method to reduce energy storage capacitor voltage and circuit for same
12/11/2003US20030227280 Factorized power architecture with point of load sine amplitude converters
12/11/2003US20030227279 Method for driving a switch in a switch-mode converter, and a drive circuit for driving a switch
12/10/2003EP1368885A2 Power supply with a reduced harmonic load on the mains system, and a corresponding appliance
12/10/2003EP1368730A2 Circuit and method for inputting a start signal for a controller
12/10/2003CN2591859Y Improved modular power unit
12/10/2003CN1461099A Power supply equipment of video-frequency display device
12/10/2003CN1461098A Switched power source supplying device
12/10/2003CN1130815C Circuit for correcting power factor
12/10/2003CN1130814C Power factor correction circuit
12/09/2003US6661684 AC-to-DC converter
12/09/2003US6661680 Higher harmonic suppressor element and DC power supply unit using the same
12/09/2003US6661679 PWM controller having adaptive off-time modulation for power saving
12/09/2003US6661678 Power factor corrected UPS with improved connection of battery to neutral and methods of operation thereof
12/09/2003US6661311 Electric apparatus comprising a shield and transmission means with filtering of an electric signal on both sides of the shield
12/09/2003US6661216 Apparatus and method for controlling startup of a precharged switching regulator
12/09/2003US6661211 Quick-start DC-DC converter circuit and method
12/09/2003US6661208 Synchronous DC-DC regulator with shoot-through prevention
12/09/2003CA2329573C Power circuit with smoothing choke coil inductance varying circuit
12/04/2003WO2003100972A1 Complex resonance circuit and filter
12/04/2003WO2003100968A2 Active common mode emi filter, including series cascaded filter with reduced power dissipation and transistor voltage rating
12/04/2003WO2003100952A1 A method for boost with low loss and its device
12/04/2003US20030223256 AC-DC converters with integrated SVC
12/04/2003US20030223255 Method and apparatus for active power factor correction with minimum input current distortion
12/04/2003US20030222713 Modulation scheme for switching amplifiers to reduce filtering requirements and crossover distortion
12/04/2003US20030222633 Switching power supply having alternate function signal
12/04/2003US20030222632 Voltage regulator circuit for smart card ICs
12/04/2003DE20211188U1 Electrical power supply for a caravan or camper van, allows power from a 230 V ac mains supply via a voltage converter, or from the vehicle 12 V dc battery
12/03/2003EP1367707A2 System for controlling the delivery of power to dc computer components
12/03/2003EP1367704A2 Modulation scheme for switching amplifiers to reduce filtering requirements and crossover distortion
12/03/2003EP0940001B1 Power conversion apparatus and air conditioner using the same
12/03/2003CN2589870Y Frequency conversion air-conditioner
12/03/2003CN1460320A Switch-mode power supply with autonomous primary inverter
12/03/2003CN1459917A System and method for controlling wait power
12/03/2003CN1130000C Switching power supply
12/03/2003CN1129743C Air conditioner
12/02/2003US6658583 PWM control circuit, microcomputer and electronic equipment
12/02/2003US6657874 Semiconductor converter circuit and circuit module
12/02/2003US6657402 Portable device with reduced power dissipation
12/02/2003US6657399 Self-oscillating circuit for driving high-side and low-side switching devices with variable width pulses
12/02/2003US6657358 Power supply including pyroelectric capacitor
11/2003
11/27/2003WO2003098799A1 Noise suppressing circuit
11/27/2003WO2003098790A1 Circuit arrangement for a resonant converter and method of operating said converter
11/27/2003WO2003098788A1 A passive common mode noise reduction circuit
11/27/2003WO2003098787A2 Ac-dc converters with bi-directional valves
11/27/2003WO2003077406A3 Power-supply unit for electronic oven
11/27/2003US20030218891 A method and apparatus for preventing overload of a digital power inverter
11/27/2003US20030218890 AC power line filter for audio and vldeo applications
11/27/2003US20030218889 Filtering device for converting electrical energy
11/27/2003US20030218888 Power conversion apparatus, power conversion system, and islanding operation detection method
11/27/2003US20030218498 Active common mode EMI filter, including series cascaded filter with reduced power dissipation and transistor voltage rating
11/27/2003US20030218449 Method for power conversion using combining transformer
11/27/2003US20030218448 System and method for regulating a power system with feedback using current sensing
11/27/2003CA2484484A1 Ac-dc converters with bi-directional valves
11/26/2003EP1364454A1 Mobile power generation system
11/26/2003EP1364446A1 Self-oscillating circuit for driving high-side and low-side switching devices with variable width pulses
11/26/2003EP1364445A2 Power factor correction control circuit and power supply including same
11/26/2003EP1364444A1 Method and apparatus for providing an initial bias and enable signal for a power converter
11/26/2003CN2588654Y Silicon-controlled bridge-rectifying regulator
11/26/2003CN1459139A Device for voltage conversion
11/26/2003CN1458814A Circuit device for operating discharge lamp
11/25/2003US6654267 Power supply apparatus providing plural outputs of specific characteristics
11/25/2003US6654262 Inverter with pre-charging capacitor to reduce inrush current
11/25/2003US6654261 Inverter DC link volts “tooth” modulation scheme
11/25/2003US6654258 Resonant power supply circuit
11/25/2003US6653822 Circuit for converting AC voltage into DC voltage
11/25/2003CA2190150C Switching power supply for the operation of electric lamps