| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 07/31/1991 | EP0439151A1 A high efficiency power converter employing a synchronized switching system |
| 07/30/1991 | US5036452 Current sharing control with limited output voltage range for paralleled power converters |
| 07/30/1991 | US5036450 Spike limiting circuit |
| 07/30/1991 | US5036449 Power supply and method for producing high voltage high power outputs in response to variable voltage DC inputs |
| 07/30/1991 | US5036229 Low ripple bias voltage generator |
| 07/30/1991 | CA1287105C Power-supply arrangement |
| 07/30/1991 | CA1287103C Cmos latch-up recovery circuit |
| 07/25/1991 | DE4033856A1 Switching converter with current measurement - has circuit including RC element to suppress high amplitude transients |
| 07/25/1991 | DE4001325A1 DC voltage blocking converter - has control circuit coupled to coils to reduce switching losses |
| 07/24/1991 | EP0438323A1 Multi-output DC-DC converter |
| 07/24/1991 | EP0437884A2 DC flyback converter |
| 07/24/1991 | EP0437700A2 Heated window power supply-arrangement from the onboard-vehicle energy supply network |
| 07/24/1991 | EP0437423A1 Dc/dc converter. |
| 07/24/1991 | CN1013331B Voltage level conversion circuit |
| 07/23/1991 | US5034875 Voltage multiplier circuit |
| 07/23/1991 | US5034873 Circuit configuration for a fixed-frequency blocking oscillator converter switching power supply |
| 07/23/1991 | US5034872 Current-free synthesis of improved parameter-free zero-impedance converter |
| 07/23/1991 | CA1286719C Shutdown circuit for blocking oscillator power supply |
| 07/17/1991 | EP0436980A1 Power supply with improved power factor correction |
| 07/17/1991 | CN1053154A Switching power supply apparatus and isolating method thereof |
| 07/16/1991 | US5032968 Switching power source with inrush current limiting circuit |
| 07/16/1991 | US5032967 SMPS apparatus having a demagnetization circuit |
| 07/10/1991 | EP0262181B1 Power regulator for a contactless credit card system |
| 07/09/1991 | CA1285988C Switching power source device |
| 07/09/1991 | CA1285987C Switching mode power supply |
| 07/04/1991 | DE3943027A1 Saturation controllable choke coil with rectifier - has extra potential source coupled to adjuster for its control with rectifier blocked |
| 07/03/1991 | EP0435628A2 Inverter device |
| 07/03/1991 | EP0435460A2 Current sharing control for paralleled power converters |
| 07/03/1991 | EP0435459A2 Mixed mode regulation controller for a resonant power converter |
| 07/03/1991 | EP0435390A2 Half-bridge driver which is insensitive to common mode currents |
| 07/03/1991 | EP0434889A2 Inverter and power supply systems including same |
| 07/03/1991 | EP0434843A1 Switching power source device and adapter for the switching power source device |
| 07/02/1991 | US5029282 Voltage regulator circuit |
| 07/02/1991 | US5029269 Delayed power supply overvoltage shutdown apparatus |
| 07/02/1991 | US5029063 MOSFET multiplying circuit |
| 07/02/1991 | US5029062 Electrical regulation and energy transfer circuit |
| 07/02/1991 | US5028861 Strobed DC-DC converter with current regulation |
| 07/02/1991 | CA1285613C Source volt-ampere/load volt-ampere differential converter |
| 06/27/1991 | WO1991010251A1 Dual current sensing driver circuit |
| 06/27/1991 | WO1991009459A1 Display board provided with a regulated power supply |
| 06/27/1991 | WO1991009455A1 Dc/dc-converter |
| 06/27/1991 | CA2042389A1 Dual current sensing driver circuit |
| 06/26/1991 | EP0433975A1 Circuit for electric power supply to a load such as a magnetron |
| 06/26/1991 | EP0433488A1 Control circuit for a power converter |
| 06/26/1991 | EP0433281A1 Voltage transformer for charging energy stores |
| 06/25/1991 | US5027266 Voltage generator with voltage multiplier |
| 06/25/1991 | US5027264 Power conversion apparatus for DC/DC conversion using dual active bridges |
| 06/25/1991 | US5027263 Switching power source means |
| 06/25/1991 | US5027255 High performance, high current miniaturized low voltage power supply |
| 06/25/1991 | CA1285320C Switching helix power supply for a twt |
| 06/19/1991 | EP0433144A1 Switch mode AC-DC power supply |
| 06/19/1991 | EP0432603A2 DC-DC converter, in particular of the quasi-resonant type |
| 06/19/1991 | EP0432602A2 DC-DC converter, in particular of the quasi-resonant type |
| 06/13/1991 | WO1991008605A1 Device for charging electrical energy storage means provided with means for controlling said charging |
| 06/12/1991 | EP0432050A1 Programming voltage generating circuit for programmable memory |
| 06/12/1991 | EP0431778A1 AC to DC power conversion circuit with low harmonic distorsion |
| 06/12/1991 | CN1012873B Isolated analog voltage sense circuit |
| 06/11/1991 | US5023768 High voltage high power DC power supply |
| 06/11/1991 | US5023766 Power supply utilizing transformerless optical driving control circuit |
| 06/11/1991 | US5023542 Current limiting arrangement in a power converter |
| 06/11/1991 | US5023465 High efficiency charge pump circuit |
| 06/11/1991 | CA1284819C Converter circuit |
| 06/05/1991 | EP0430765A1 Pulsating electric power supply system for a load, with means of diverting the electric energy reflected by the load |
| 06/05/1991 | EP0430242A2 Protective circuit for diode switching device |
| 06/05/1991 | EP0211866B1 Integrated circuit having a variably boosted node |
| 06/04/1991 | US5021937 Maximum duty cycle limiting of pulse width modulators |
| 06/04/1991 | US5021728 Power source apparatus for electronic equipment |
| 05/29/1991 | EP0429310A2 Zero-current switching forward power conversion |
| 05/29/1991 | EP0429016A1 Power supply |
| 05/28/1991 | US5020125 Synthesis of load-independent DC drive system |
| 05/28/1991 | US5019957 Forward converter type of switched power supply |
| 05/28/1991 | US5019955 DC-to-AC voltage converter having galvanically separate input and output circuits |
| 05/28/1991 | US5019954 AC/DC conversion with reduced supply waveform distortion |
| 05/28/1991 | US5019952 AC to DC power conversion circuit with low harmonic distortion |
| 05/28/1991 | US5019770 Switching power source device having energy recovery |
| 05/28/1991 | CA1284520C Current fed regulated voltage supply |
| 05/25/1991 | CA2030582A1 High voltage high power dc power supply |
| 05/23/1991 | DE3938172A1 Exchange battery supplied circuitry for DC=DC converter - uses RC generator in conjunction with switching circuits to provide DC symmetrical voltage for telephone subscriber's appts. |
| 05/22/1991 | EP0428377A2 DC/DC switching converter circuit |
| 05/22/1991 | EP0427841A1 Electic converter with several induction coils. |
| 05/21/1991 | WO1991007807A1 Dc/dc power transformer |
| 05/21/1991 | US5018041 Circuit for internal current limiting in a fast high side power switch |
| 05/21/1991 | CA2021615A1 Ac to dc power conversion circuit with low harmonic distortion |
| 05/17/1991 | CA2025364A1 Electrical power conversion circuit |
| 05/15/1991 | EP0427084A2 Maximum swing cascode circuit for a bipolar charge pump |
| 05/15/1991 | EP0426738A1 A circuit arrangement for a power supply unit |
| 05/15/1991 | CA2028453A1 Dc/dc converter switching at zero voltage |
| 05/14/1991 | WO1991007802A1 Resonant converter having current shunting means |
| 05/14/1991 | US5016156 High voltage stabilizing circuit |
| 05/14/1991 | CA2069897A1 Shunt circuit for reducing audible noise at low loading conditions of a power supply employing a high frequency resonant converter |
| 05/14/1991 | CA1284175C Forward converters used in switching power supplies |
| 05/08/1991 | EP0425574A1 Transformer having symmetrical push-pull windings |
| 05/07/1991 | US5014178 Self powering technique for integrated switched mode power supply |
| 05/07/1991 | US5014176 Switching converter with spike limiting circuit |
| 05/07/1991 | US5014097 On-chip high voltage generator and regulator in an integrated circuit |
| 05/07/1991 | US5013998 Synthesis of zero-impedance converter |
| 05/07/1991 | CA1283949C Switching power source |
| 04/30/1991 | US5012401 Switching power supply with foldback current limiting |
| 04/30/1991 | US5012399 Self-oscillation type converter |
| 04/30/1991 | US5012132 Dual mode high voltage coupler |