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