Patents for H02M 1 - Details of apparatus for conversion (33,954)
02/2002
02/12/2002US6347045 Noise canceling apparatus for a power converter
02/12/2002US6346844 Coupling for active semi-conductor components
02/07/2002WO2002011286A1 Device for rapid short-circuit protection in a power semiconductor
02/07/2002WO2002011267A2 Dc to dc converter and power management system
02/07/2002WO2001076051A3 Dc power adapter system
02/07/2002US20020015318 Protection circuit and method for switching power supply
02/07/2002US20020015272 Switch device and overcurrent controlling method
02/07/2002US20020014876 Power factor compensation device for motor driving inverter system
02/07/2002DE10036973A1 Power supply unit comprises protective circuit for monitoring output voltage of first supply and switching off first supply if error voltage is detected
02/07/2002DE10020182A1 Three phase, sinusoidal power transformation with freely-adjustable primary side power factor, adjusts primary voltage source and input current phase angles
02/06/2002EP1178592A1 Start up circuit for commutation power supplies
02/06/2002EP1178591A1 Power supply device with detection of malfunctioning
02/06/2002EP1178585A2 Power source system
02/06/2002EP0925637B1 A switched-mode power supply control circuit
02/06/2002CN2476135Y Three phase four wire system inverter
02/06/2002CN2476134Y On-off power supply single phase input filter
02/06/2002CN1078973C Pulse current source for switch network unit
02/06/2002CN1078972C Method and apparatus for filtering electric current supplied to motor
02/05/2002US6344986 Topology and control method for power factor correction
02/05/2002US6344980 Universal pulse width modulating power converter
01/2002
01/31/2002WO2002009268A1 Active power filter for isolating electrically noisy load from low noise power supply
01/31/2002WO2002009262A1 Switched mode power supply control
01/31/2002US20020012260 Pulse width modulation control circuit for a high frequency series resonant AC/DC converter
01/31/2002US20020012259 Switching power supply having an improved power factor by voltage feedback
01/31/2002US20020012256 Start up circuit for commutation power supplies
01/31/2002US20020012255 Voltage compensating apparatus and method for 3-phase inverter employing four switches
01/31/2002US20020012254 Converter
01/31/2002US20020012253 Driving device and method of switching element in power conversion apparatus using current-controlled semiconductor switching element
01/31/2002US20020011886 Switched mode power supply control
01/31/2002US20020011825 AC-DC converter with reduced energy loss through a switching element
01/31/2002US20020011751 Proportional distribution of power from a plurality of power sources
01/31/2002US20020011363 Semiconductor apparatus, power converter and automobile
01/31/2002DE10133007A1 Entladungslampenzündschaltkreis Entladungslampenzündschaltkreis
01/31/2002DE10035139A1 Konverter Converter
01/30/2002EP1176707A1 Voltage converter circuit with self oscillating half bridge configuration and with protection against hard switching
01/30/2002EP1176705A1 Low consumption converter directly connectable to the mains and the method for driving it
01/30/2002EP1175700A1 Semiconductor component
01/30/2002CN1333593A Switch power source capable of improving power factor by voltage feedback
01/29/2002US6343025 Switching converter for generating a driving signal
01/29/2002US6343021 Universal input/output power supply with inherent near unity power factor
01/29/2002CA2267544C Gate control circuit for voltage drive switching element
01/24/2002WO2002007315A1 Method and device for a condition-dependent control of the transient behavior of power semiconductor switches
01/24/2002WO2002007296A1 A dc switching regulator
01/24/2002WO2002007295A1 Method for recognition and/or limiting the short-circuit state of a switching converter and switching converter
01/24/2002WO2002007293A1 Network filter
01/24/2002US20020008981 High frequency sine wave AC Inverter
01/24/2002DE10033440A1 Energizing circuit for power MOSFET not generating any rest current for multipurpose application, comprises changeover circuit for transistor control input
01/23/2002EP1174998A1 Brushless motor,method and circuit for its control
01/23/2002EP1174992A2 Semiconductor apparatus, power converter and automobile
01/23/2002EP1174991A2 Converter
01/23/2002EP1173921A1 Method and apparatus for controlling pulse width modulation device
01/23/2002EP0995266B1 Mains filter circuit arrangement
01/23/2002CN1332515A Device and method for voltage compensation of three-phase inverter using four switches
01/23/2002CN1332512A Improved modular power source structure
01/22/2002US6341076 Loss reduction circuit for switching power converters
01/22/2002US6341074 Power circuit with smoothing choke coil inductance varying circuit
01/21/2002CA2314323A1 Ac power backfeed protection for inverter circuits
01/17/2002WO2002005412A1 Active filter and method for suppressing current harmonics
01/17/2002WO2002005411A1 Protective circuit for a network-controlled thyristor bridge
01/17/2002WO2001026207A3 Non-saturating magnetic element(s) power converters and surge protection
01/17/2002US20020006154 Method of estimating temperature and device for the effecting same
01/17/2002DE10032447A1 Current harmonic compensation method for pulsed network current regulator uses software analysis of network input current for control of compensation regulators
01/17/2002DE10032196A1 Protection wiring for MOSFET switching element used in various driver circuits, has capacitive coupling element connected between gate and drain of MOSFET
01/17/2002DE10032043A1 Elektronischer Wandler The electronic transducer
01/17/2002DE10031191A1 Power supply unit, e.g. for discharge lamp, includes controlled semiconductors and capacity supplying current as function of output potential from more than one input potential
01/17/2002DE10031188A1 Schaltnetzteil mit einer Funktionalität zur Erkennung einer unterbrochenen Rückkopplungsschleife Switching power supply with a functionality to detect a broken feedback loop
01/16/2002EP1172931A1 Integrated high power sine wave generating ciruit
01/16/2002EP1172924A2 Switching power supply having an improved power factor by voltage feedback
01/16/2002EP1171946A1 High frequency switch-mode dc powered computer system
01/16/2002EP0746899B1 Switching regulator having high current prevention features
01/16/2002CN2472405Y AC/DC voltage regulating ignition controller
01/15/2002US6339348 Programmable non-overlap time output driver
01/15/2002US6339265 Voltage drop compensating reactor
01/15/2002US6339262 Switching power supply using an input DC power supply
01/12/2002CA2353003A1 Integrated sine wave generating circuit
01/10/2002WO2002003536A1 Electronic transformer
01/10/2002WO2002003533A1 Electric power conversion system
01/10/2002DE10130557A1 Verfahren und Vorrichtung zur Spannungskompensation für einen 3-Phasen-Wechselrichter mit vier Schaltern Method and device for voltage compensation for a 3-phase inverter with four switches
01/10/2002DE10031196A1 Start-up circuit for switched-mode power supply e,.g. for TV or video recorders, has storage capacitor connected to a.c. voltage via charging capacitor(s) and rectifier element, regulator connected to threshold circuit
01/09/2002EP1170852A2 DC-DC converter, control circuit and monitor circuit and method for such converter, and electronic equipment
01/09/2002EP1078444A4 Pwm controller for use with open loop dc to ac converter
01/08/2002US6337799 Apparatus for controlling voltage-charge controlled power semiconductor devices
01/08/2002US6337788 Fault condition protection
01/03/2002WO2002001705A1 Switched mode power supply comprising a function for the recognition of a broken feedback loop
01/03/2002WO2002001702A1 Circuit arrangement
01/03/2002WO2002001309A2 Power factor correction control circuit for switching power supply
01/03/2002US20020001211 Active filter for a converter having a dc line
01/03/2002US20020001206 Spike control apparatus and methol for dc-dc convertet
01/03/2002US20020001205 power circuit for a semiconductor light source operable from a solid state relay
01/03/2002US20020000796 Feedforward clamping applied to the control voltage in switch mode power supplies (SMPS)
01/03/2002DE10030554A1 Schaltungsanordnung Circuitry
01/03/2002DE10030470A1 Circuit for detecting inductive or capacitive load on drive stage e.g. magnetic valve for fuel injection of IC engine, switches off drive stage if any deviation of measured output current/voltage from desired values exceeds tolerance band
01/03/2002DE10021466A1 Device for exchanging electrical power between primary and secondary side 3-phase systems, has matrix converter whose switching state is determined from current influencing parameters
01/02/2002CN2469615Y Exchanging source voltage transformer used for lamp
01/02/2002CN1329771A A pulse width modulation power converter
12/2001
12/27/2001US20010054885 Switching regulator
12/26/2001CN2468221Y Switch type power supply changeover device with improved non-loss buffer network
12/26/2001CN1076901C Rectifier circuit device
12/25/2001US6333861 Low loss snubber and transformer reset circuit for forward converters
12/25/2001US6333665 Gate circuit for insulated gate semiconductor device