| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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| 04/28/1993 | EP0538324A1 Combinatorial circuit component for a television receiver. |
| 04/28/1993 | EP0314808B1 Clipper circuit for power transistor circuit and inverter circuit utilizing the same |
| 04/21/1993 | EP0537935A2 Voltage regulator circuit |
| 04/21/1993 | EP0537739A2 Power circuit |
| 04/20/1993 | US5204804 GTO module with piggyback bypass diode |
| 04/20/1993 | US5204596 Device having a multiphase load, a static converter and inductance coils |
| 04/14/1993 | CN1020321C Thyristor trigger device |
| 04/13/1993 | US5202819 Capacitor input type rectifier having a circuit for preventing inrush current |
| 04/07/1993 | CN2129488Y Suspending anti-jamming power source |
| 04/07/1993 | CN1070774A Reactive power compensating apparatus with higher harmonic suppressing function |
| 04/06/1993 | US5200887 Power supply unit for arc processing |
| 04/06/1993 | US5200879 Drive circuit for voltage driven type semiconductor device |
| 04/06/1993 | US5200878 Drive circuit for current sense igbt |
| 04/06/1993 | US5200589 Microwave oven having a fan motor rotation control function |
| 04/01/1993 | WO1993006650A1 Single-stage electrical conversion device |
| 03/31/1993 | EP0534727A1 Electronic ballast arrangement for a compact fluorescent lamp |
| 03/31/1993 | EP0534362A2 Method and apparatus for testing self-commutative electric power conversion device |
| 03/31/1993 | EP0534285A1 Filter circuit |
| 03/31/1993 | EP0454697B1 Device for controlling antiductors |
| 03/31/1993 | CN1070529A Television starup current regulation |
| 03/31/1993 | CN1070518A Device for protecting power supply circuit |
| 03/27/1993 | CA2076127A1 Electronic ballast arrangement for a compact fluorescent lamp |
| 03/25/1993 | DE4131189A1 Laboratory network equipment having converter for variable-frequency AC voltage - consists of fifty or sixty hertz inverter and transformer with output windings switchable in series or parallel |
| 03/18/1993 | DE4229303A1 Rectifier with independent magnetic amplifiers - has control circuits with series connected phase control group coils |
| 03/18/1993 | DE4130213A1 Control circuit for switched current regulator - uses comparator acting as pulse width modulator for controlling transistor switch element. |
| 03/17/1993 | EP0532263A1 DC/DC voltage converting device |
| 03/17/1993 | EP0531995A2 An AC/DC rectifier power source |
| 03/17/1993 | EP0390786A4 Power supply start circuit |
| 03/14/1993 | WO1993006652A1 Minimization of gto gate driver losses when antiparallel diode conduct |
| 03/14/1993 | CA2096243A1 Minimization of gto gate driver losses when antiparallel diode conduct |
| 03/04/1993 | DE4128361A1 Circuit within switch mains part for powering electronic components - has auxiliary winding arranged on throughflow transmitter in which voltage is induced during switching on and off |
| 03/03/1993 | EP0529141A1 Switchmode power supply drawing a sinusoidal current and avoiding input current surges by corresponding control of the used switches |
| 02/24/1993 | EP0528102A2 Protection circuit in inverter for refrigerators |
| 02/18/1993 | WO1993003537A1 Static semiconductor converter for converting electrical energy |
| 02/11/1993 | DE4126274A1 Increasing thyristor utilisation in rectifier - forming effective, permitted, valve-rated current in rectifier in dependence on actual DC voltage at input |
| 02/10/1993 | EP0526693A2 Starting circuit for a switched mains power supply |
| 02/03/1993 | EP0525959A1 Switching circuit for over-voltage protection |
| 02/03/1993 | EP0525898A2 Circuit arrangement with a switching power supply |
| 01/28/1993 | DE4224555A1 Output voltage error compensation device for PWM inverter - discriminates polarity of output currents for control of modulator and timer of short-circuit current protection |
| 01/28/1993 | DE4124616A1 DC=DC converter operating at two switching frequencies - measures currents drawn by two transistor switching regulators, and adjusts higher frequency to minimise average deviation |
| 01/26/1993 | US5182702 Inverter device |
| 01/21/1993 | WO1993001656A1 Power mosfet driver with cross-conduction current reduction |
| 01/21/1993 | DE4219222A1 Spannungsumsetzungsvorrichtung fuer einen gleichspannungsverbraucher Voltage conversion device for a DC-consumer |
| 01/19/1993 | US5181159 AC to DC converter having an enhanced power factor |
| 01/19/1993 | US5179842 Inverter controlled air conditioner capable of effectively reducing a rush current at starting |
| 01/12/1993 | US5179509 High-frequency and high-voltage power supply unit with internal protecting circuit |
| 01/12/1993 | US5179508 Standby boost converter |
| 01/07/1993 | WO1993000744A1 A 0-100 % duty cycle, transformer isolated fet driver |
| 01/07/1993 | DE4122222A1 HV generator for diagnostic X=ray appts. - has moulded vat with cooperating cover contg. oil-immersed components |
| 12/24/1992 | DE4121005A1 Thyristor railway track switches forced commutating system for supply rectifier substation - contains common capacitor in parallel with clearing capacitors, of all path branches and reduces clearing capacitor voltage loading |
| 12/24/1992 | DE4121004A1 Commutating circuit for thyristor railway track switches in supply to DC path - contains central clearing device connected to thyristor groups via clearing groups each contg. clearing thyristor and capacitor |
| 12/23/1992 | WO1992022954A1 Switch mode power supply with reduced input current distortion |
| 12/23/1992 | WO1992022953A1 Electrical power supply |
| 12/23/1992 | WO1992022952A1 High power factor, voltage-doubler rectifier |
| 12/23/1992 | WO1992017934A3 Start-up circuit for a switching network |
| 12/23/1992 | EP0519649A2 Single stage power factor corrected converter having isolated output |
| 12/23/1992 | EP0519555A1 Quasi push-pull single switch current-fed fly-back converter |
| 12/22/1992 | US5173846 Zero voltage switching power converter |
| 12/15/1992 | CA1311550C Control apparatus for a power converter |
| 12/10/1992 | WO1992022185A1 Circuit for driving a gas discharge lamp load |
| 12/09/1992 | CN2124525U Electronic three-phase high-power phaseshift voltage regulator |
| 12/09/1992 | CN1019440B Pwn power converter |
| 12/02/1992 | EP0516122A2 Inverter power supply |
| 12/01/1992 | US5168182 0-100% duty cycle, transformer isolated fet driver |
| 11/24/1992 | US5166852 Electronic circuit device for protecting electronic circuits from unwanted removal of ground terminal |
| 11/24/1992 | US5166549 Zero-voltage crossing detector for soft-switching devices |
| 11/17/1992 | US5164893 Low inductance gto switching circuit for an inverter |
| 11/17/1992 | US5164656 Switching power supply with constant or sinusoidal input current |
| 11/10/1992 | US5162984 Rectifier able to operate with at least two separate ranges of alternating current supply voltage |
| 11/10/1992 | US5162963 Power supply |
| 11/10/1992 | CA1310063C Overvoltage suppressing circuit for semiconductor device |
| 11/03/1992 | US5161096 Method and circuit to quickly start a negative switching voltage regulator |
| 10/29/1992 | WO1992019037A1 Universal input voltage power supply |
| 10/29/1992 | DE4114617C1 Overcurrent protective circuitry for switchable semiconductors in bridge circuit - operates threshold value switch if measured actual valve of current exceeds max. valve to control separate control modules assigned to each semiconductor |
| 10/29/1992 | DE4113245A1 Power supply for simultaneous DC to AC generation for large computers - has AC-DC input converter coupled to three phase AC inverter stae follower by DC converter with smoothed output |
| 10/27/1992 | US5159657 Method and apparatus for controlling single or polyphase a.c. power controllers |
| 10/27/1992 | US5159543 Interface circuit including dc/dc converter |
| 10/21/1992 | EP0284615B1 Magnetic material biasing method and apparatus |
| 10/21/1992 | CN2119735U Automatic temp control switch for electrothermic cotton-padded mattress |
| 10/21/1992 | CN2119722U Apparatus for respectively controlling triggering angles of thyratrons |
| 10/21/1992 | CN1018785B Improvement in gate pulse generator for static var compensator |
| 10/15/1992 | WO1992017934A2 Start-up circuit for a switching network |
| 10/14/1992 | EP0508110A2 Control method for an electric valve of a converter |
| 10/14/1992 | CN1065359A Control device of neutral point clamped power inverter apparatus |
| 10/13/1992 | US5155673 Thyristor converter protection method and apparatus |
| 10/13/1992 | US5155670 Bootstrap modified topologies for wide-input range switchmode DC to DC converters |
| 10/13/1992 | CA1308773C Static converter comprising a protective filter against high-frequency disturbances |
| 10/07/1992 | EP0507663A1 Method and apparatus for attenuating the effect of conducted radiointerference on the polyphase AC network |
| 10/07/1992 | EP0507393A2 Circuit arrangement |
| 10/07/1992 | CN1065132A Electric cooking apparatus |
| 10/06/1992 | US5153535 Power supply and oscillator for a computer system providing automatic selection of supply voltage and frequency |
| 10/01/1992 | WO1992016995A1 Zero voltage switching power converter |
| 09/30/1992 | EP0506118A1 Light triggered and quenched static induction thyristor circuit |
| 09/30/1992 | EP0505982A1 Switching regulator |
| 09/30/1992 | CN1064955A 电源 Power supply |
| 09/23/1992 | EP0505082A2 Electric cooking apparatus |
| 09/23/1992 | CN1018413B Pwm conversion current apparatus |
| 09/22/1992 | US5150287 Quarter-bridge circuit for high currents |
| 09/17/1992 | WO1992016085A1 Power supply having high power factor with control that tracks the input alternating supply |
| 09/17/1992 | CA2103542A1 Power supply having high power factor with control that tracks the input alternating supply |