Patents for H02M 1 - Details of apparatus for conversion (33,954)
04/2004
04/29/2004US20040080969 Drive for a half-bridge inverter
04/29/2004US20040080965 Stepping inductor for fast transient response of switching converter
04/29/2004US20040080961 Power supply capable of protecting electric device circuit
04/29/2004US20040080304 Power source apparatus
04/29/2004US20040080303 Power supply circuit
04/29/2004US20040080302 Low loss DC/DC converter
04/29/2004US20040079953 AC/DC cascaded power converters having high DC conversion ratio and improved AC line harmonics
04/29/2004DE4321060B4 Wechselstrom-Gleichstrom-Wandler AC-DC converter
04/29/2004DE10257203A1 Lastansteuerungsschaltung unter Verwendung einer Freilaufdiode Load driving circuit using a free-wheeling diode
04/29/2004DE10247523A1 Energy supply for a motor vehicle has generator, battery and a dc to dc converter for optimal battery charging
04/28/2004EP1414153A1 Gate driving circuit
04/28/2004EP1414143A2 Low loss DC/DC converter
04/28/2004EP1413042A1 Multiple stage switch circuit
04/28/2004EP1413041A1 Electronic control systems and methods
04/28/2004EP1413039A1 Switched-mode power supply with a damping network
04/28/2004EP1364446A4 Self-oscillating circuit for driving high-side and low-side switching devices with variable width pulses
04/28/2004EP1316139B1 Active power factor correction
04/27/2004US6728121 Method and apparatus for active power factor correction with minimum input current distortion
04/27/2004US6727752 Modulation scheme for switching amplifiers to reduce filtering requirements and crossover distortion
04/27/2004US6727516 Semiconductor power conversion apparatus
04/22/2004WO2004034546A1 Harmonic mitigating filter
04/22/2004WO2004034439A2 Method and apparatus for driving a power mos device as a synchronous rectifier
04/22/2004US20040076021 Switching power supply
04/22/2004US20040075600 Data processor controlled DC to DC converter system and method of operation
04/22/2004US20040075486 Gate driving circuit
04/22/2004US20040075414 Driving apparatus and method of three phase induction motor
04/22/2004DE10247915A1 Operating oscillator of charge pumping unit, supplies frequency-modulated control signal to oscillator input
04/21/2004EP1411628A1 Driving apparatus and method of three phase induction motor
04/21/2004EP1411621A1 Matching circuit for limiting reflections in connecting cables to rotating field machines
04/21/2004EP1410487A1 Power conversion system and method of power conversion
04/21/2004EP1410486A2 Power factor correction circuit with a coil
04/21/2004CN2613094Y Heat-pipe radiating type explosion-proof frequency-converter
04/21/2004CN1490929A Driver of three-phase inductive motor and method thereof
04/21/2004CN1490924A Energy controlling circuit for switch power supply of plasma displaying board and method thereof
04/21/2004CN1490913A Power supplier with spark preventive function and method thereof
04/21/2004CN1490693A Power supply with cutting electronic apparatus and power supply controller
04/20/2004US6724644 AC/DC converter
04/20/2004US6724642 Method and apparatus for providing an initial bias and enable signal for a power converter
04/20/2004US6724599 Power semiconductor device
04/20/2004US6724313 Fault detection system
04/15/2004WO2004032388A1 Circui and method for reducing interference from switched mode circuits
04/15/2004US20040071001 Method and apparatus providing a multi-function terminal for a power supply controller
04/15/2004US20040070997 Circuitry for resetting magnetic field of transformer
04/15/2004US20040070906 Synchronous buck and boost regulator power reduction circuit using high side sensing
04/15/2004US20040070577 Driving circuit and display device
04/15/2004US20040070436 PWM control circuit, microcomputer and electronic equipment
04/15/2004US20040070435 Duty ratio detecting apparatus with small return time
04/15/2004US20040070383 Integrated circuit driver having stable bootstrap power supply
04/15/2004US20040070377 Method and circuits for reducing dead time and reverse recovery loss in buck regulators
04/14/2004EP1408612A1 Integrated circuit driver with stable bootstrap power supply
04/14/2004CN2612147Y 车载微型逆变器 Car micro-inverter
04/14/2004CN1489290A Power-supply operation circuit with improved driving circuit
04/13/2004US6721893 System for suspending operation of a switching regulator circuit in a power supply if the temperature of the switching regulator is too high
04/13/2004US6720819 Driver circuit for semiconductor switching device
04/13/2004US6720675 Power converter
04/13/2004US6719435 Dc-Dc converter with reduced input current ripples
04/08/2004WO2004030195A1 Rectangular wave inverter with surge being supressed
04/08/2004WO2004030190A1 Electrical circuit for voltage transformation and use of said electrical circuit
04/08/2004WO2004029735A1 Electronic clock, elctronic apparatus and starting method
04/08/2004WO2003063327A3 Multicellular dc/dc voltage converter with protection switches
04/08/2004WO2002079892B1 Power factor correction circuit arrangement
04/08/2004US20040066662 Power supply device and method having a spark prevention function
04/08/2004US20040066643 Power converter having improved EMI shielding
04/08/2004US20040066253 Harmonic mitigating filter
04/08/2004US20040066247 Harmonic wave distortion suppressor
04/08/2004US20040066093 Method and system for correcting a power factor of a storage subsystem
04/08/2004CA2499617A1 Electrical circuit for voltage transformation and use of the electrical circuit
04/07/2004EP1406373A2 Power supply
04/07/2004EP1405395A2 A method for reducing mains harmonics and switching losses in discontinuous-mode, switching power converters
04/07/2004EP1405394A2 Isolated drive circuitry used in switch-mode power converters
04/07/2004CN2610555Y Three-phase integrated rectifier
04/07/2004CN1488187A A method of determining a required inductance current relationship for an inductor
04/07/2004CN1145255C Power transfering system
04/07/2004CN1145252C Grid circuit of insulating grid type semiconductor component
04/06/2004US6717828 Power semiconductor device
04/06/2004US6717827 Switching power supply
04/06/2004US6717826 Method to reduce bus voltage stress in a single-stage single switch power factor correction circuit
04/06/2004US6717789 Power supply rejection circuit for capacitively-stored reference voltages
04/06/2004US6717389 Method and apparatus for current controlled transient reduction in a voltage regulator
04/06/2004US6717177 Semiconductor power conversion apparatus
04/01/2004WO2004028218A1 Electronic ballast with a charge pump for active power factor correction
04/01/2004WO2004027993A2 Converter circuit and control method for same
04/01/2004WO2004027967A1 Passive common mode filter and method for operating a passive common mode filter
04/01/2004WO2004027966A1 Snubber module and power conversion device
04/01/2004WO2004027965A1 Power factor correction device for switching power supplies
04/01/2004WO2004027964A1 Power factor precompensator
04/01/2004WO2004027963A1 Switching power supply unit
04/01/2004WO2003098787A3 Ac-dc converters with bi-directional valves
04/01/2004WO2003079527A3 Three-terminal, low voltage pulse width modulation controller ic
04/01/2004WO2003034391A3 Method and system for adjusting the voltage of a precharge circuit
04/01/2004US20040062064 Passive common mode filter and method for operating a passive common mode filter
04/01/2004US20040062060 Switching power supply and distributed parameter structure
04/01/2004US20040061989 Modular power converter having fluid cooled support
04/01/2004DE10243885A1 Konverterschaltung und Ansteuerverfahren hierfür Converter circuit and driving method therefor
03/2004
03/31/2004EP1404013A1 A drive controller
03/31/2004EP1402613A1 Power supply architecture with controlled power-on and power-off sequence
03/31/2004EP1402612A1 Uninterruptible power supply
03/31/2004EP1402310A1 Apparatus for supplying power and liquid crystal display having the same
03/31/2004CN2609273Y Temp. closed-loop program controlled IF power supply
03/31/2004CN1144349C Power supply unit