| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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| 09/16/1992 | EP0504094A2 High power factor converter for motor drives and power supplies |
| 09/16/1992 | EP0503715A1 Power supply circuit |
| 09/16/1992 | EP0503446A2 Method for operating a switching regulator, and switching regulator |
| 09/16/1992 | EP0502929A1 Filter arrangement |
| 09/15/1992 | US5148459 Power source for x-ray system |
| 09/15/1992 | US5148360 Fourth order damped lowpass filter for obtaining high power factor and low total harmonic distortion |
| 09/15/1992 | US5148359 Power supply arrangement |
| 09/15/1992 | US5148358 Rectifier commutation current spike suppressor |
| 09/10/1992 | DE4107674A1 Pulsed current revs. control for electric motor - uses controlled switching of current regulator switches to maintain constant mean power loss |
| 09/10/1992 | DE4106915A1 Current supply circuit using switched regulator - has opto-coupler in pulse width modulation regulation stage and short-circuit current limitation |
| 09/09/1992 | EP0502096A1 Apparatus for a balanced three phase ac power supply in a computer having variable dc loads. |
| 09/09/1992 | CN1018228B Scr regulator for television apparatus |
| 09/08/1992 | US5146399 Switching power apparatus having high factor and comprising pair of converter for obtaining fixed or variable output voltage |
| 09/08/1992 | US5146398 Power factor correction device provided with a frequency and amplitude modulated boost converter |
| 09/08/1992 | US5146396 Single stage power factor corrected converter having isolated output |
| 09/03/1992 | WO1992015145A1 Process for controlling voltage transformers having a wide input voltage range and use of said process |
| 09/02/1992 | CN1064178A High power factor power supply |
| 09/02/1992 | CN1018127B Improved scr priming and sweep-out circuit |
| 09/01/1992 | US5144222 Apparatus for controlling the input impedance of a power converter |
| 08/27/1992 | DE4105942A1 Load control circuit starter - has threshold monitoring stage to maintain correct operation when battery level is low |
| 08/27/1992 | DE4105463A1 Steuerverfahren fuer einen spannungswandler mit grossem eingangsspannungsbereich und die verwendung eines solchen verfahrens A control method for a voltage converter with a large input voltage range and the use of such a method |
| 08/26/1992 | EP0314669B1 Switched capacitor induction motor drive |
| 08/25/1992 | US5142430 Power line filter and surge protection circuit components and circuits |
| 08/25/1992 | US5142218 Power supply circuit for direct voltage regulators with step-up switching configuraton |
| 08/20/1992 | DE4104842A1 Electronically-regulated mains supply circuit - has two transformer primaries supplied from independent DC sources |
| 08/13/1992 | DE4120112C1 Symmetrising PWM transformer feeding inverter bridges - involves force switching off electronic switches of bridge branch pairs independently of control |
| 08/12/1992 | EP0498651A2 High power factor power supply |
| 08/12/1992 | EP0498090A1 High frequency oscillator-inverter circuit for discharge lamps |
| 08/11/1992 | US5138547 Dual input power supply |
| 08/11/1992 | US5138247 Reactive power compensating apparatus with higher harmonic suppressing function |
| 08/11/1992 | US5138236 Circuit for driving a gas discharge lamp load |
| 08/06/1992 | WO1992013385A1 High frequency, high density power conversion system |
| 08/06/1992 | DE4115387C1 Simultaneous switch=on prevention circuitry for semiconductor valves in bridge circuit - assigns control module to each valve in branch to provide control voltage of positive polarity to control electrode for conductive phase and negative for blocking |
| 08/06/1992 | DE4103108A1 Mains power supply unit with surge-preventing semiconductor switch - incorporates control casing switch to commence conduction at phase determined by position of mains voltage window |
| 08/05/1992 | CN2112228U Energy-saving mains with interference suppression of power frequency am wave for high frequency heat sealer |
| 08/05/1992 | CN2112227U Temp-control-use single chip processor controlling silicon control power regulator |
| 08/05/1992 | CN1063382A Method and apparatus for elimination or reduction of harmonic and/or resonance |
| 07/30/1992 | DE4201357A1 Current determination system for control and regulation of reversible converter - current transformer circuit using series circuit of load resistor and parallel circuit of resistor and diode poled in conductive direction |
| 07/29/1992 | EP0496718A2 Method for minimizing the switching loss in a power switch |
| 07/29/1992 | EP0496529A2 Boost switching preregulator and controller therefor |
| 07/29/1992 | CN2111591U Direct current power supply |
| 07/28/1992 | US5134556 Voltage converter with self-integration and voltage summation |
| 07/28/1992 | US5134355 Power factor correction control for switch-mode power converters |
| 07/28/1992 | US5134320 High efficiency FET driver with energy recovery |
| 07/24/1992 | CA2034824A1 Current harmonic, current form factor and power factor modification unit for rectifier supplied loads |
| 07/23/1992 | WO1992012475A1 Method and apparatus for controlling the input impedance of a power converter |
| 07/23/1992 | DE4122070A1 Inductive system with inductive load, e.g. for heating workpieces - has AC power generator contg. DC source and switching transistors driven alternately by controller |
| 07/21/1992 | US5132894 Electric power generating system with active damping |
| 07/21/1992 | US5132890 Power supply based on normally parasitic resistance of solid state switch |
| 07/15/1992 | EP0494327A1 Flyback switching power supply |
| 07/15/1992 | EP0494137A1 Process and device for the optimum operation of a pulse converter connected to a power supply. |
| 07/14/1992 | US5130561 Switching mode power supplies with controlled synchronization |
| 07/07/1992 | US5128854 Circuit arrangement for supplying a load |
| 07/07/1992 | US5128604 Two phase power control of a three-phase load circuit |
| 07/05/1992 | CA2058653A1 High frequency oscillator-inverter circuit for discharge lamps |
| 07/01/1992 | EP0492715A2 Inverter device |
| 07/01/1992 | EP0492538A2 Interface circuit including DC/DC converter |
| 07/01/1992 | EP0491766A1 Circuit for a controlled power converter. |
| 07/01/1992 | EP0491691A1 Process and device for determining parameters governing resonance in a power-converter power supply. |
| 07/01/1992 | EP0491690A1 Process for control of a multi-stage pulse converter. |
| 07/01/1992 | EP0491689A1 Device and process for optimum operation of a power converter connected to a power supply. |
| 06/30/1992 | US5126652 Universal input voltage power supply |
| 06/30/1992 | CA1304448C Power factor improving arrangement |
| 06/30/1992 | CA1304445C Power control system |
| 06/25/1992 | CA2056502A1 Ac to dc converter having an enhanced power factor |
| 06/24/1992 | EP0491074A1 Picture tube display apparatus |
| 06/23/1992 | US5124630 Switching power supply apparatus |
| 06/23/1992 | US5124567 Power supply device and electronic apparatus using the same |
| 06/17/1992 | EP0490639A2 Switching power source |
| 06/17/1992 | EP0489948A1 Method and device for the elimination or reduction of harmonics and/or resonance oscillations |
| 06/17/1992 | EP0489945A1 Switching arrangement for an HF-GTO |
| 06/17/1992 | DE4040165A1 Electronic HV switch using opto-coupler switch path control - with operating voltage for opto-coupler provided by capacitor in parallel with switch path |
| 06/16/1992 | US5122946 Quasi push-pull single switch current-fed fly-back converter |
| 06/16/1992 | CA1303676C Control device for active filter |
| 06/10/1992 | EP0489462A2 Improved system for triac trigger control in combination with a sensing element |
| 06/09/1992 | US5121316 Electronic system and method for correcting the power factor of an accessory to a main equipment |
| 06/09/1992 | CA1303155C Electromagnetic shield for electromagnetic apparatus |
| 06/09/1992 | CA1303127C High-pass element of a filter assembly for a line connected with static converters |
| 06/03/1992 | EP0488478A2 Inverter device |
| 06/03/1992 | EP0343202B1 Control circuit for triacs |
| 06/02/1992 | US5119283 High power factor, voltage-doubler rectifier |
| 06/02/1992 | US5119059 Combined differential and common mode choke for a power supply |
| 06/02/1992 | CA1302521C Light quenchable thyristor device |
| 06/02/1992 | CA1302495C Inverter control method and apparatus |
| 06/02/1992 | CA1302494C Active snubber structure and method for an electronic power inverter |
| 05/27/1992 | CN2105801U Constant voltage ripple filter |
| 05/26/1992 | US5117157 Ballast circuits for discharge lamps |
| 05/26/1992 | CA1301837C High frequency resonant power converter |
| 05/21/1992 | DE4104273C1 Interference suppression circuit for no=voltage circuit breaker - evaluates supply control signal only during zero transition of supply voltage and stores control value in memory |
| 05/19/1992 | US5115387 Circuitry and method of protecting thyristors |
| 05/19/1992 | US5115185 Single conversion power factor correction using septic converter |
| 05/19/1992 | US5115156 Apparatus for triggering a plurality of thyristor devices |
| 05/14/1992 | DE4036062A1 Mains supply unit with regulated output voltage - consisting of mains transformer with its prim. winding connected to AC voltage source and secondary winding connected to rectifier and filter circuits |
| 05/13/1992 | CN1016658B Method and apparatus for controlling ac current resulator of singl-phase or polyphase |
| 05/12/1992 | US5113337 High power factor power supply |
| 05/12/1992 | US5113335 Power supply system |
| 05/12/1992 | US5113126 Control device for electric car |
| 05/12/1992 | CA1300743C Scr regulator for a television apparatus |
| 05/12/1992 | CA1300676C Pwm inverter control unit |
| 05/06/1992 | EP0483214A1 Power supply and oscillator for a computer system providing automatic selection of supply voltage and frequency. |