Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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11/26/1997 | CN1166077A Supply circuit of two-wire wide phase angle light and speed regulating controller |
11/25/1997 | US5691890 Power supply with power factor correction circuit |
11/25/1997 | US5691887 Self-timing power-up circuit |
11/25/1997 | US5691577 Reflector-pump network for preempting AC power supply harmonic distortion and for satiating the complex harmonic power demand of a rectifier |
11/19/1997 | EP0746899A4 Switching regulator having high current prevention features |
11/18/1997 | US5689409 Switched-mode power supply |
11/18/1997 | US5689176 Power factor/harmonics correction circuitry and method thereof |
11/18/1997 | US5689155 Electronic stabilizer having a variable frequency soft start circuit |
11/18/1997 | CA2110832C Inverter power supply for welding |
11/12/1997 | EP0806833A1 Synchronisable power supply |
11/12/1997 | EP0689689A4 Energy saving power control system |
11/11/1997 | US5687070 Power factor control for switched mode rectifiers |
11/11/1997 | US5687069 For starting a dc-driven device without current surges |
11/11/1997 | US5687067 For supplying a switching signal to a semiconductor power switch |
11/11/1997 | US5687066 Power converter with overvoltage protection |
11/11/1997 | US5687065 Pre-regulator with light switch to limit voltage ringing on turn-off |
11/11/1997 | US5687051 Feedback circuit for protecting an integrated circuit with a delay time |
11/11/1997 | US5687049 Method and circuit for protecting power circuits against short circuit and over current faults |
11/11/1997 | US5686806 Low-pass filter and electronic speed control system for electric motors |
11/11/1997 | CA2106325C Gate power supply circuit |
11/06/1997 | DE19714977A1 Device with inverter e.g. for machine tools, lifts, air-conditioning, pumps and printing presses |
11/05/1997 | EP0805548A2 Power factor correction circuit |
11/05/1997 | EP0805547A2 Reflector-pump network for preempting AC power supply harmonic distortion and for satiating the complex harmonic power demand of a rectifier |
11/04/1997 | US5684689 Interchangeable plug power supply with automatically adjusting input voltage receiving mechanism |
11/04/1997 | US5684688 Soft switching three-level inverter |
11/04/1997 | US5684679 Switching mode power supply capable of reducing the response time thereof |
11/04/1997 | US5684465 Method and means for supervision of valve units |
11/04/1997 | US5684376 Solid state motor speed control |
10/30/1997 | WO1997040575A1 Low-cost, high-voltage, flyback power supply |
10/29/1997 | EP0803086A1 Switching power supply with an auxiliary circuit to power a beat generator |
10/29/1997 | CN1163681A Process and device for generating any desired M-phase Nth order distribution system in converter-fed device |
10/29/1997 | CN1163505A Method for controlling power converter and power converting system |
10/28/1997 | US5682306 Switched mode power supply with power factor correction |
10/28/1997 | US5682086 Dynamic filter for an electronic ballast with a parallel-load resonant inverter |
10/28/1997 | CA2098026C Control device for thyristor converter |
10/28/1997 | CA2079068C Method and apparatus for testing self-commutative electric power conversion device |
10/28/1997 | CA2072296C Switching cirucit protection apparatus and method |
10/28/1997 | CA2057310C Switching power source |
10/23/1997 | WO1997039519A1 Apparatus and method to prevent saturation of interphase transformers |
10/23/1997 | WO1997039518A1 Electronic switched-mode power supply and its use |
10/23/1997 | WO1997039517A1 Switch mode power supply |
10/23/1997 | WO1997038873A1 High voltage power converter system |
10/22/1997 | EP0802616A2 Synchronization of power converter arrays |
10/22/1997 | EP0802615A2 Switching power source apparatus |
10/22/1997 | EP0801851A1 Damped emi input filter for power factor correction circuits |
10/22/1997 | EP0801839A1 Arrangements for reducing the electromagnetic field created by power electronic equipment |
10/22/1997 | EP0801833A1 Transmission line power flow controller with unequal advancement and retardation of transmission angle |
10/22/1997 | CN1163021A DC-DC converter circuit and inductive load driver using it |
10/22/1997 | CN1162862A Switched-mode power supply having reduced harmonic load on the mains |
10/21/1997 | US5680040 System for detecting incorrect phase rotation |
10/16/1997 | DE19614627A1 Hochspannungs-Stromrichtersystem High-voltage power converter system |
10/15/1997 | CN1162372A Method and device for controlling load power via phase adjustment system |
10/08/1997 | CN1161588A Method and apparatus for protecting switching element of inverter from being overheated |
10/07/1997 | US5675486 Electric power circuit having means for suppressing generation of harmonics flowing back to AC power source |
10/07/1997 | US5675483 Power supply comprising means for improving the power factor |
10/07/1997 | US5675482 Accident detection circuit of a voltage-type self-excited power converter |
10/07/1997 | US5675476 Phase controlled bridge |
10/07/1997 | US5675466 Assembly structure of self-turn-off switching device and snubber circuit therefor |
10/07/1997 | US5675244 Power-supply apparatus for powering a control circuit for controlling a power switch component |
10/01/1997 | EP0798857A2 Direct current regulator |
10/01/1997 | EP0798846A2 Zero voltage switching, series resonant half bridge VHF inverter |
10/01/1997 | EP0798838A1 Circuit for improving the power factor using a double discharge |
10/01/1997 | EP0797865A1 Power rectifier circuit |
10/01/1997 | EP0797864A1 Power rectifier circuit |
10/01/1997 | CN1161114A Electric power converter |
09/30/1997 | US5673188 Zero voltage switching series resonant half bridge VHF inverter |
09/30/1997 | US5673185 Circuit arrangement for generating a DC-separated output voltage |
09/30/1997 | US5673184 Switch mode power supply circuit with increased power factor for mains |
09/30/1997 | US5672988 High-speed switching regulator drive circuit |
09/30/1997 | US5672941 Electronic power control apparatus |
09/30/1997 | US5672940 Television power supply with polarity-independent charging paths |
09/30/1997 | US5672917 Semiconductor power switch system |
09/24/1997 | EP0797288A1 Switching power supply with reduced harmonic network load |
09/24/1997 | EP0796517A1 Process and device for generating any desired m-phase nth order distribution system in a converter-fed device |
09/24/1997 | CN1035972C Snubber |
09/23/1997 | US5670865 Circuit to improve the transient response of step-down DC to DC converters |
09/17/1997 | CN1035914C Method and apparatus for harmonic distortion correction |
09/16/1997 | US5668708 DC power supply with reduced ripple |
09/16/1997 | US5668707 Multi-phase power converter with harmonic neutralization |
09/16/1997 | US5668493 Circuits and methods for increasing switch turn-off speed in high-speed switching regulator drive circuits |
09/16/1997 | US5668464 Feedforward active filter for output ripple cancellation in switching power converters |
09/12/1997 | WO1997033454A1 An electronic ballast for a compact fluorescent lamp |
09/10/1997 | EP0794608A2 Trickle power supply |
09/10/1997 | EP0794477A1 A voltage generation circuit |
09/10/1997 | EP0793873A1 Method and device for reducing harmonics system perturbations in a self-commutated multilevel inverter |
09/09/1997 | US5666463 In a microprocessor based closed loop velocity control system for a dc motor |
09/09/1997 | US5666035 Direct current actuator control system using pulse-width modulation in four bipolar transistors connected in H-manner |
09/09/1997 | CA2138673C Power factor correction circuit for ac to dc power supply |
09/05/1997 | CA2195296A1 Trickle power supply |
09/03/1997 | EP0793334A1 Dc-dc converter circuit and inductive load driver using it |
09/02/1997 | US5663876 Circuit and method for achieving zero ripple current in the output of a converter |
09/02/1997 | US5663634 Startup network for a flyback converter with linear regulation |
09/02/1997 | US5663627 Control apparatus for controlling motor of air conditioner |
08/28/1997 | DE19621526C1 Welding unit with welding material control |
08/27/1997 | EP0792008A2 Method and apparatus for protecting switching element of inverter from being overheated |
08/27/1997 | EP0792007A2 Universal power module |
08/27/1997 | EP0791239A1 Power supply apparatus with improved efficiency |
08/26/1997 | US5661645 Power supply for light emitting diode array |
08/26/1997 | US5661643 Universal power module |
08/26/1997 | US5661394 Switching power supply |