Patents for H02M 1 - Details of apparatus for conversion (33,954)
07/2004
07/29/2004DE10302673A1 Reduction of line coupling noise in pulse width modulated control of electrical motors uses pulse flank shaping
07/29/2004DE10297126T5 Leistungswandler Power converter
07/28/2004EP1441441A2 Gate driving circuit
07/28/2004EP1440505A1 Method for operating a control device
07/28/2004EP1440503A1 Dual input ac/dc/battery operated power supply
07/28/2004EP1440502A1 Dual input ac and dc power supply having a programmable dc output utilizing a secondary buck converter
07/28/2004EP1440501A1 Motor control circuit and associated full bridge switching arrangement
07/28/2004CN2629393Y Module power source
07/28/2004CN2629335Y Improved positioning structure for power source supply device
07/28/2004CN2629334Y Optical isolating interface converter power supply circuit
07/28/2004CN1516916A Fault tolerant power supply circuit
07/28/2004CN1516329A New method for implementing energy conversion and its equipment
07/28/2004CN1516091A 驱动电路及显示装置 Drive circuit and a display device
07/27/2004US6768655 Discontinuous mode PFC controller having a power saving modulator and operation method thereof
07/27/2004US6768285 Power system for converting variable source power to constant load power
07/22/2004WO2004062075A2 Adaptive resonant switching power system
07/22/2004WO2004062071A1 Mechanism for providing over-voltage protection during power up of dc-dc converter
07/22/2004WO2004001927A3 Active emi filter
07/22/2004US20040141343 Controller and driving method for power circuits, electrical circuit for supplying energy and display device having the electrical circuit
07/22/2004US20040141338 Output voltage stabilizer for switching mode power supply
07/22/2004US20040141275 Active EMI filter for power switching circuit output
07/22/2004US20040140792 Control IC for low power auxiliary supplies
07/22/2004US20040140719 Smooth voltage regulation transition circuit having fast recovery
07/22/2004DE19541111B4 Leistungswandler Power converter
07/22/2004DE10356086A1 Umrichtergericht, Antriebssteuerungsgerät und Antriebssteuerungsverfahren Umrichtergericht, drive control apparatus and drive control method
07/22/2004DE10303779A1 Device for charging and discharging piezoelectric elements e.g. for motor vehicle common rail diesel fuel injectors, has two parallel circuits connected together at their output sides and to choke terminal
07/22/2004DE10257096A1 Inverter has auxiliary circuit connected in parallel with intermediate circuit capacitor consisting of auxiliary capacitor and first device with three resistance value ranges
07/22/2004CA2512244A1 Adaptive resonant switching power system
07/21/2004EP1439632A2 Switched-mode power supply device
07/21/2004EP1438879A1 Self-oscillating bridge circuit comprising a start circuit
07/21/2004EP1438783A1 Voltage regulator with clamping circuit
07/21/2004EP1171946A4 High frequency switch-mode dc powered computer system
07/21/2004CN1514532A Integrated filter for inhibiting difference mode and common mode electro magnetic interference
07/21/2004CN1514531A Voltage divider capacity voltage deviation feedforward control circuit of current control type semibridge transducer
07/21/2004CN1158761C Switch bridge and electronic ballast using the same
07/20/2004US6765811 Method in the design for a power supply for suppressing noise and signal interference in equipment
07/20/2004US6765452 Method and apparatus for damping an LC filter
07/20/2004US6765375 Energy storage circuitry system
07/15/2004WO2004059826A1 Dc-ac converter parallel operation system and controller ic thereof
07/15/2004WO2004059825A1 Power controller
07/15/2004WO2004059824A1 Energy saving startup circuit for power supply
07/15/2004WO2004059822A1 Switching power supply device, and method for controlling switching power supply device
07/15/2004WO2004059414A1 One cycle control continuous conduction mode pfc boost converter integrated circuit with integrated power switch and boost converter
07/15/2004WO2004047261A3 Power converter circuitry and method
07/15/2004US20040136208 Power converter method and apparatus having high input power factor and low harmonic distortion
07/15/2004US20040135618 Control circuit of two current unidirectional switches
07/15/2004US20040135609 Circuit and method for inputting a start signal for a controller
07/15/2004US20040135561 Energy storage circuitry system
07/15/2004US20040135559 DC to DC converter producing output voltage exhibit rise and fall charactristics independet of load thereon
07/15/2004US20040135557 Circuit and method for supplying an electrical a.c. load
07/15/2004US20040135437 Apparatus for EMC-optimized activation of electrical loads
07/15/2004DE10350265A1 Switch triggering method for triggering a controlled switch for a switch converter uses a control pulse for switching a direct current input voltage to a transformer's primary winding
07/15/2004DE10325656B3 Assembly to paint a workpiece by immersion in a bath by electrophoresis has a smoothing unit where the alternating voltage is converted to a direct voltage with a low residual ripple factor
07/14/2004EP1436884A2 Oscillating circuit, converter with such oscillating circuit, and preconditioner with such converter
07/14/2004CN2626129Y Integral intelligent power module
07/14/2004CN1513224A Power supply architecture with controlled power-on and power-off sequence
07/14/2004CN1512657A Motor control system
07/14/2004CN1512652A Switch type power source
07/14/2004CN1512650A Door driving circuit
07/13/2004US6762937 Power module
07/13/2004US6762652 Oscillating circuit, converter with such oscillating circuit, and preconditioner with such converter
07/13/2004US6762576 Motor driving device for supplying driving current to a three-phase motor through output transistors
07/08/2004WO2004057749A2 Flexible inverter power module for motor drives
07/08/2004WO2004057747A1 Power conversion apparatus
07/08/2004WO2004057742A2 Electric power saver by troidal core
07/08/2004WO2004057720A2 Transport-lag compensator
07/08/2004WO2004047273A3 Power converter circuitry and method
07/08/2004WO2004019483A3 Providing dc isolation in switching amplifiers
07/08/2004US20040130923 Global closed loop control system with dv/dt control and EMI/switching loss reduction
07/08/2004US20040130919 Methods and apparatus for providing power signals to operating circuitry mounted on circuit boards
07/08/2004US20040130368 Circuit for providing resistance to single event upset to pulse width modulator integrated circuit
07/08/2004US20040130308 Control means for a transistor switch circuit
07/08/2004US20040130273 Ballast self oscillating inverter with phase controlled voltage feedback
07/08/2004US20040129957 Semiconductor device and control method
07/08/2004DE10261739A1 Vorrichtung zur EMV-optimierten Ansteuerung elektrischer Verbraucher Apparatus for EMC optimized control of electrical loads
07/07/2004CN2624515Y Reactive power compensating device of frequency converter
07/07/2004CN2624514Y 无源电力调整器 Passive power regulator
07/07/2004CN2624513Y Water-air cooling totally-enclosed movable frequency conversion device
07/07/2004CN1156986C Power circuit
07/07/2004CN1156974C Pulse width modulation control system
07/06/2004US6760235 Soft start for a synchronous rectifier in a power converter
07/06/2004US6759964 Fault detection system
07/06/2004US6759692 Gate driver with level shift circuit
07/01/2004US20040125627 Method and apparatus for driving a power MOS device as a synchronous rectifier
07/01/2004US20040125617 Programmable photo-coupler-isolated wide band modulator for high voltage power supply
07/01/2004US20040125523 Fault-tolerant three-level inverter
07/01/2004US20040125096 Driving circuit and display device
07/01/2004US20040125095 Driving circuit and display device
07/01/2004US20040124818 Mechanism for providing over-voltage protection during power up of DC-DC converter
07/01/2004US20040124808 Motor control system
07/01/2004DE10011929B4 Synchrongenerator Synchronous generator
06/2004
06/30/2004EP1433255A2 Control device
06/30/2004EP1433246A2 Soft-start of dc link capacitors for power electronics and drive systems
06/30/2004EP1433239A2 Dc to dc converter and power management system
06/30/2004EP1145411B1 Power supplies having protection circuits
06/30/2004CN2622983Y Filter circuit of electronic ballast for fluorescent lamp
06/30/2004CN2622925Y Overvoltage sucktion structure of power switching element
06/30/2004CN1508962A Power control device for lifting equipment
06/30/2004CN1156200C Ballast system
06/29/2004US6757185 Method and control circuitry for a three-phase three-level boost-type rectifier