| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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| 05/06/1992 | CN1016549B Dynamic current control method of crystal shutter tube shunt |
| 05/05/1992 | US5111373 Pwm-controlled power supply including choke coil with 3-windings |
| 04/30/1992 | DE4135276A1 Current supply circuit for universal motor - has circuit which detects effective value of supply AC voltage applied also power determination circuit |
| 04/30/1992 | DE4112907C1 Mains-connected power supply circuit - has voltage doubler formed in two symmetrical circuit halves, and input voltage changeover switch for 115 or 230 volt operation |
| 04/28/1992 | CA1299655C Multiple-input power control system |
| 04/28/1992 | CA1299651C Gate signal generator for thyristor valve |
| 04/23/1992 | DE4033400A1 Current measuring arrangement for synchronously clocked power converter - safeguards transformer prim. current proportional voltage by Zener diode shorting switch closed in synchronism with clock |
| 04/22/1992 | EP0172254B1 High frequency noise absorbing circuit |
| 04/22/1992 | CN1060564A Controller for more thyratrons with different trigger angles |
| 04/15/1992 | EP0480575A2 Lossless snubber |
| 04/15/1992 | EP0480516A2 Power supply arrangement |
| 04/15/1992 | EP0211881B1 A.c. power supply systems |
| 04/15/1992 | CN2101968U Lock phase frequency division type phase-control trigger device |
| 04/15/1992 | CN1016303B Co-phase trigger and triggering method of thyristor |
| 04/14/1992 | CA1298871C Load control system |
| 04/13/1992 | CA2050039A1 Lossless snubber |
| 04/09/1992 | DE4116756C1 Switching regulator with output filter circuit - taps signals at input and output to control two current sources |
| 04/08/1992 | EP0479453A2 Single conversion power factor correction using sepic converter |
| 04/08/1992 | CN2101345U Passive suppressor for source current harmonic distortion |
| 04/07/1992 | US5103388 Low harmonic current and fault tolerant power supply |
| 04/07/1992 | US5103386 Flyback converter with energy feedback circuit and demagnetization circuit |
| 04/07/1992 | US5103139 Lamp starting and operating procedure in electronic ballast |
| 04/01/1992 | EP0477883A2 Auto voltage selector of inverter power supply |
| 04/01/1992 | EP0477643A2 Control of a discontinuous current by a thyristor rectifier with inductive load |
| 04/01/1992 | CN1016128B Waveform reforming inverter and regulator |
| 03/31/1992 | US5101334 High speed power supply circuit with circuit with positive feedback |
| 03/26/1992 | DE4131240A1 Current supply unit for CRT display of computer terminal - has AC input current rectified and smoothed and includes induction element which stores energy of input current running through rectifier |
| 03/25/1992 | EP0476982A2 Electrical apparatus comprising a power converter |
| 03/25/1992 | EP0476618A2 Reactive power compensating apparatus with higher harmonic supressing function |
| 03/25/1992 | EP0476581A1 Apparatus for generating digital signal synchronized with phase of power supply |
| 03/25/1992 | EP0476278A2 Low harmonic current and fault tolerant power supply |
| 03/24/1992 | US5099202 Phase shift generator |
| 03/24/1992 | US5099138 Switching device driving circuit |
| 03/19/1992 | DE4029221A1 Switching circuit component e.g. for electronic video equipment - ensures negative-bias availability at base of prim. switching transistor driven by integrated PWM control circuit |
| 03/19/1992 | DE4029057A1 Source of constant voltage for mains rectifier starting - is based on FET with resistance and Zener diode passing current largely independent of input voltage |
| 03/18/1992 | CN1059625A Capacitor phase-shift triggered current converter |
| 03/17/1992 | US5097402 Dual mode power supply |
| 03/12/1992 | DE4028348A1 DC source for control circuits - has superimposed system for maintaining low voltage from supply voltage pulsing cyclically between min. and max. |
| 03/11/1992 | EP0474610A2 Combined differential and common mode choke for a power supply |
| 03/11/1992 | CN2098757U High-power single-phase phaseshiftting electronic voltage regulator |
| 03/11/1992 | CN1015847B Method for controlling pulse width modulated inverter |
| 03/04/1992 | EP0473192A2 A circuit for reducing resonance voltage |
| 03/04/1992 | EP0472928A1 Circuit arrangement to reduce harmonic currents |
| 03/04/1992 | CN2098080U Input inducer of switch power supply transverter |
| 03/03/1992 | US5093771 Inverter circuit and a method for controlling same |
| 03/03/1992 | US5093641 Rectifier smoothing filter |
| 03/03/1992 | US5093630 Overvoltage protection in series thyristor string for static var compensator |
| 02/26/1992 | CN1059054A Partially-filtered circuit |
| 02/20/1992 | DE4025685A1 Rectifying circuit protecting mains against transformer harmonics - utilises star connections of phase-shifted sec. windings for integration of parasitic capacitances into filter circuits |
| 02/19/1992 | EP0471183A2 Minimizing network harmonics from transformer circuits |
| 02/19/1992 | CN2096769U Domestic protector of electrical equipment |
| 02/19/1992 | CN1058866A Feed device of converter having no harmonic distortion |
| 02/18/1992 | US5089949 High efficiency passive component voltage converter |
| 02/18/1992 | US5089937 Power interface apparatus for a DC power distribution system |
| 02/13/1992 | DE4037348C1 Protective circuitry for power semiconductor switches - uses bridging voltage clamping circuit consisting of diode and Zener diode belonging to rectifier pair |
| 02/13/1992 | DE4025322A1 Netzbetriebene phasenanschnitt-steuerschaltung Mains powered phase control circuit |
| 02/11/1992 | WO1992002983A1 Line-powered, phase-control circuit |
| 02/11/1992 | US5088019 Low harmonic current and fault tolerant power supply |
| 02/11/1992 | US5088016 Voltage-compliant dc-dc converter module |
| 02/11/1992 | CA1295673C High voltage power supply particularly adapted for a twt |
| 02/11/1992 | CA1295670C Dc supply having low and high constant voltages for powering an inverter controller |
| 02/11/1992 | CA1295668C Power converter device having starting circuits, and a method for startingthe power converter device |
| 02/06/1992 | WO1992002074A1 Self-integration voltage converter |
| 02/06/1992 | WO1992002072A1 Miniaturized switching power supply with programmed level gate drive |
| 02/06/1992 | DE4037531A1 Controlling rectifiers in AC inverter for locomotive traction - forming AC rated value by multiplying regulating signal with sinusoidal signal at frequency of AC actual value |
| 02/05/1992 | EP0469172A1 Quarter bridge circuit for high currents |
| 01/28/1992 | US5084811 Progressive start up device for a switching power supply |
| 01/28/1992 | CA1295014C Digitally controlled a.c. to d.c. power conditioner that draws sinusoidal input current |
| 01/28/1992 | CA1295013C Power supply operable on varying inputs |
| 01/28/1992 | CA1295012C Control device of the transistor bases of an inverter arm |
| 01/23/1992 | WO1992001355A1 Combinatorial circuit component for a television receiver |
| 01/23/1992 | DE4107031C1 Load current pulse duration determn. circuit for rectifier thyristor - provides measurement of thyristor control potentials independently of load |
| 01/23/1992 | DE4023253A1 Harmonic-free DC power supply for bipolar load - uses concreted shorting of several sources of direct current sharing same deg. of pulse width modulation |
| 01/22/1992 | EP0467682A2 Drive circuit for voltage driven type semiconductor device |
| 01/22/1992 | EP0467681A2 Drive circuit for current sense IGBT |
| 01/16/1992 | DE4121177A1 Switch=off circuitry for discharge of inverter branch pairs - consists of two gate-controlled semiconductor switches arranged between poles of DC voltage source |
| 01/16/1992 | DE4042378A1 Symmetrical switch discharge system for inverter branch pair - uses gate controlled semiconductor switches connected to DC voltage source |
| 01/16/1992 | DE4021940A1 Schaltnetzteil fuer einen fernsehempfaenger Switching power supply for a fernsehempfaenger |
| 01/15/1992 | CN2093462U Universal thyristor power-regulating trigger |
| 01/14/1992 | US5081570 Control system for electric power supply |
| 01/14/1992 | US5081411 AC/DC two-wire control techniques |
| 01/08/1992 | EP0465020A2 An electronic range having a fan motor rotation control function |
| 01/08/1992 | EP0464240A1 Circuit for a blocking oscillator converter working in the auto-oscillation mode |
| 12/31/1991 | US5077487 Driver circuit for a large capacity switching element |
| 12/24/1991 | US5075838 Energy efficient voltage snubber circuit |
| 12/17/1991 | US5072608 Reduction of transient thermal stresses in machine components |
| 12/12/1991 | DE4114363A1 Power control circuit for MOSFET with source load - has frequency of pulse oscillator feeding boot strap driver reduced for higher widths |
| 12/11/1991 | EP0460554A1 Hybrid integrated circuit device |
| 12/11/1991 | CN2090591U Phaseshift trigger |
| 12/10/1991 | US5072355 Ac-dc chopper converter type of supply |
| 12/10/1991 | US5072354 Pulse-width modulation type inverter apparatus |
| 12/10/1991 | US5072170 Reverse phase angle control of A.C. power loads |
| 12/05/1991 | DE4017207A1 Electrical supply with high current change speeds - using several current adjusters with symmetrically offset pulsed current cycles producing reduced inductivity in smoothing valve |
| 12/03/1991 | US5070276 Lamp supply circuit |
| 11/27/1991 | EP0458511A2 Thyristor protection method and apparatus |
| 11/26/1991 | US5068571 Switched bridge circuit |
| 11/26/1991 | CA1292511C Method and compensating device for compensating current oscillations |
| 11/25/1991 | CA2043100A1 Circuit for providing dv/dt immunity |
| 11/21/1991 | DE4115734A1 Electrical transformer for increased voltage - has chopper circuit with suppression of high frequency components |
| 11/19/1991 | CA1292272C Current source inverter control system for load commutated induction motor drive |