| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
|---|
| 11/25/1993 | WO1993023916A1 Power generation system with soft-start circuit |
| 11/25/1993 | CA2112242A1 Dual snubber circuit |
| 11/24/1993 | EP0571356A1 AC to DC converter |
| 11/24/1993 | EP0571067A1 Forward converter with two active switches and unity power factor capability |
| 11/24/1993 | EP0570839A2 Voltage drop compensating and current harmonics reducing circuit on the feed lines |
| 11/23/1993 | US5265003 Miniaturized switching power supply with programmed level gate drive |
| 11/23/1993 | US5264782 Dropout recovery circuit |
| 11/23/1993 | US5264780 Switching power supply providing a regulated output |
| 11/23/1993 | US5264736 High frequency resonant gate drive for a power MOSFET |
| 11/18/1993 | EP0569581A1 Method and apparatus for monitoring operating characteristics of semiconductor electric power switching circuits |
| 11/18/1993 | DE4214918A1 Regulation of output voltage of AC mains power unit - by controlling delay in switching of bridge rectifier output smoothing capacitor for correction of output voltage deviation |
| 11/17/1993 | CN2146812Y Automatic controller for silicon current transformer |
| 11/17/1993 | CN1078579A Device for respectively controlling trigger angle of multiple-thyratrons |
| 11/16/1993 | US5262704 Protection circuit in inverter for refrigerators |
| 11/09/1993 | US5260863 Control of a discontinuous current by a thyristor rectifier with inductive load |
| 11/09/1993 | US5260862 A-C power line filter |
| 11/09/1993 | US5260607 Snubber circuit for power converter |
| 11/03/1993 | EP0568279A1 High frequency resonant gate drive for a power MOSFET |
| 11/03/1993 | EP0568123A1 Low loss power supply apparatus with a d.c converter |
| 11/02/1993 | US5258902 Snubber circuit located between an output line and low impedance potential |
| 11/02/1993 | US5258901 Holdover circuit for AC-to-DC converters |
| 11/02/1993 | US5258692 Electronic ballast high power factor for gaseous discharge lamps |
| 11/02/1993 | US5258670 Light triggered & quenched static induction thyristor circuit |
| 10/28/1993 | WO1993021683A1 Voltage transformer |
| 10/28/1993 | DE4213096A1 Spannungswandler Voltage converter |
| 10/27/1993 | EP0567257A2 Drive circuit for power switches of a zero-voltage switching power converter |
| 10/26/1993 | US5256905 Method and circuit for sequentially connecting plural loads to an a.c. voltage without damaging the low voltage control circuitry therefor |
| 10/21/1993 | DE4212953A1 Multi-current power plant with transformer for railway carriage - has individually controlled thyristor switch for each of four prim. windings selected according to input voltage. |
| 10/05/1993 | US5251120 Harmonic noise isolation and power factor correction network |
| 10/05/1993 | US5251119 Inverter with shared chopper function for high input power factor with restrained higher harmonics |
| 10/05/1993 | US5250890 Inverter control apparatus |
| 10/05/1993 | US5250775 Electric cooking apparatus adapted for generating high power output containing a battery |
| 09/29/1993 | EP0562772A1 Holdover circuit for AC-to-DC converters |
| 09/29/1993 | EP0562397A2 Dual threshold differential discriminator |
| 09/28/1993 | US5248904 Switching regulator soft start circuit |
| 09/28/1993 | CA1322576C Multiple output power supply |
| 09/22/1993 | CN1076562A High-power factor power supply rectification filter circuit |
| 09/15/1993 | EP0560653A1 Control method for an electromechanical load by at least one converter with pulsed switch(es) and device for its operation |
| 09/15/1993 | EP0559996A1 MOS half-bridge drive circuit, particularly for power MOS half-bridges |
| 09/15/1993 | CN1076168A Device for controlling speed of elevator |
| 09/14/1993 | US5245220 Universal power adapter for converting AC/DC voltage to DC voltage |
| 09/08/1993 | EP0458794B1 Process and device for controlling single-phase or multiphase a.c. controllers |
| 09/07/1993 | CA1322022C Device enabling the restoration of the mains current in the event of a breakdown of one or more elements of a series connection |
| 09/06/1993 | CA2090851A1 Circuit arrangement |
| 09/01/1993 | EP0557903A1 Multi-series inverter arrangement |
| 09/01/1993 | EP0557475A1 Minimization of gto gate driver losses when antiparallel diode conduct |
| 09/01/1993 | EP0447392B1 Polyphase power converter with ripple filter choke |
| 08/24/1993 | US5239439 Protection circuit for power supply systems |
| 08/19/1993 | DE4204215A1 Start=up circuit for circuit stages with input voltages exceeding 500 V - contains capacitor charged from input voltage via high impedance potential divider, thyristor triggered via zener diode |
| 08/17/1993 | US5237226 Pulse generator means |
| 08/17/1993 | US5237225 Switching arrangement for an rf gto |
| 08/11/1993 | EP0554936A1 Arrangement for turning on and turning off a power transistor |
| 08/10/1993 | US5235504 High power-factor converter for motor drives and power supplies |
| 08/10/1993 | US5235503 Process and device for eliminating or reducing harmonics and/or resonance oscillations |
| 08/10/1993 | CA1321236C Power control circuit with phase controlled signal input |
| 08/03/1993 | US5233508 Dc/dc voltage converting device |
| 07/22/1993 | WO1993014557A1 Controlled power supply |
| 07/22/1993 | WO1993014519A1 Gto module with stacked bypass diode |
| 07/22/1993 | DE4200329A1 Regelbare speisestromquelle Adjustable food source of |
| 07/22/1993 | CA2104971A1 Gto module with piggyback bypass diode |
| 07/21/1993 | CN1021686C High-voltage large power thyristor assembly structure |
| 07/14/1993 | EP0550731A1 Static semiconductor converter for converting electrical energy |
| 07/14/1993 | CN1021609C Capacitor phase-shift triggered current converter |
| 07/13/1993 | US5227962 Filter and power factor compensation network |
| 07/13/1993 | US5227961 Symmetrical delay circuit |
| 07/13/1993 | US5227941 Protective circuit for diode switching device |
| 07/08/1993 | DE4205099C1 Voltage inverter for use with battery supply - has DC=DC and DC=AC stages with sensor circuit control for generation of either 300 V DC or 220 V AC |
| 07/07/1993 | EP0502096A4 Apparatus for a balanced three phase ac power supply in a computer having variable dc loads |
| 07/06/1993 | US5225765 Inductorless controlled transition and other light dimmers |
| 07/01/1993 | DE4243943A1 AC rectifier including voltage-dropping DC=DC converter - restricts duration of flow of DC from bridge rectifier into prim. winding of transistor-switched transformer |
| 06/29/1993 | US5224029 Power factor and harmonic correction circuit including ac startup circuit |
| 06/29/1993 | US5224025 Forward converter with two active switches and unity power factor capability |
| 06/24/1993 | WO1993012576A1 Conversion of three-phase line voltages |
| 06/22/1993 | US5222015 Inverter power supply with input power detection means |
| 06/10/1993 | WO1993011609A1 Switchable polarity bipolar generator with galvanic isolation |
| 06/10/1993 | WO1993011600A1 Vscf system with reduced dc link ripple |
| 06/09/1993 | DE4211906C1 Welding power supply circuitry - has waveform shaping circuit for rectifier input current so current waveform can assume sinusoidal shape |
| 06/09/1993 | DE4140357A1 DC power supply circuit with power factor regulator - detects voltage and/or current at rectifier output and at capacitor, and controls power factor regulator accordingly |
| 06/08/1993 | US5218520 Vscf system with reduced dc link ripple |
| 06/08/1993 | US5218272 Solid state electronic ballast system for fluorescent lamps |
| 06/04/1993 | WO1993011610A1 Method and apparatus for monitoring operating characteristics of semiconductor electric power switching circuits |
| 06/04/1993 | CA2099671A1 Method and apparatus for monitoring operating characteristics of semiconductor electric power switching circuits |
| 06/03/1993 | DE4138958A1 Control circuit for digital power semiconductor component - has annular ferromagnetic body around insulated control line |
| 06/02/1993 | CN1021097C Method and arrangement for controlling single-phase or multiphase ac. current resglator |
| 06/02/1993 | CN1021095C Power supply circuit |
| 05/27/1993 | WO1993010595A1 Current control circuit for converter |
| 05/26/1993 | EP0543005A1 High power factor, voltage-doubler rectifier |
| 05/26/1993 | EP0406277B1 Automatically guided push-pull inverter |
| 05/26/1993 | CN1021000C Control fixture for ac-regulating unit |
| 05/25/1993 | US5214313 Circuit for extending the useful discharge time of load driving capacitors |
| 05/19/1993 | EP0542507A2 Power conversion system |
| 05/13/1993 | DE4136514A1 Inverter drive circuit for variable speed centrifuge - uses IGBT transistors controlled by gate drive pulse followed immediately by gate discharge pulse |
| 05/12/1993 | EP0540647A1 Miniaturized switching power supply with programmed level gate drive |
| 05/06/1993 | DE4136436A1 High power converter or inverter using semiconductor elements in parallel - operates each bridge path of three thyristors by single pulse generator and counter circuit |
| 05/05/1993 | EP0539903A2 Switch-off snubber for power transistors in multi-transistor forward converters |
| 05/05/1993 | EP0539902A2 Switch-off snubber for A DC-DC converter |
| 05/04/1993 | US5208494 Method for the elimination of transients from the operating voltage of TDMA system |
| 05/04/1993 | US5208432 Magnetron driving power supply circuit |
| 04/28/1993 | EP0538851A2 Power converter |
| 04/28/1993 | EP0538618A2 An H-shaped bridge circuit with protection against crossover conduction during the reversal of the current in the load |