| Patents for H02M 1 - Details of apparatus for conversion (33,954) | 
|---|
| 02/25/1998 | EP0825716A2 Drive circuit for a field-effect controlled semiconductor device  | 
| 02/25/1998 | EP0782784B1 Process for regulating a four-quadrant regulator operating as a mains converter  | 
| 02/25/1998 | CN2275321Y 电子交流调压器 Electronic exchange regulator  | 
| 02/25/1998 | CN1174444A Converter circuit arrangement  | 
| 02/24/1998 | US5721675 Power supply converting circuit  | 
| 02/18/1998 | EP0824300A1 Inverter for the power supply of discharge lamps with means for improving the power factor  | 
| 02/18/1998 | CN1173962A Ballast system  | 
| 02/18/1998 | CN1173765A Multi-level inverter  | 
| 02/17/1998 | US5719757 Three-phase rectifier circuit having capacitors which are switched into the circuit dependent on the rectifier output voltage  | 
| 02/17/1998 | US5719493 Electrical device  | 
| 02/17/1998 | US5719474 Fluorescent lamps with current-mode driver control  | 
| 02/12/1998 | DE19632023A1 Step-up voltage circuit arrangement for push=pull voltage conversion in battery charging device operating at above 1 Kw  | 
| 02/11/1998 | EP0823773A2 Power converter circuit  | 
| 02/10/1998 | US5717582 Selectively controlled electrical power switching system  | 
| 02/10/1998 | US5717579 Power supply unit, more specifically battery charger for electric vehicles and the like  | 
| 02/04/1998 | EP0821844A1 Method for processing pwm waves and devices therefor  | 
| 02/03/1998 | US5715156 Method and apparatus for providing AC or DC power for battery powered tools  | 
| 02/03/1998 | US5715154 Circuit and method for controlling an inrush current limiter in a power conversion system that includes power factor correction  | 
| 02/03/1998 | US5714846 Minimum harmonic distortion operating circuit for at least one low-pressure discharge lamp  | 
| 01/29/1998 | WO1998004024A1 Electrical power transmitting system with reduced feeder size and method of operation  | 
| 01/29/1998 | CA2261076A1 Electrical power transmitting system with reduced feeder size and method of operation  | 
| 01/28/1998 | EP0820658A1 Circuit for supplying power, without the need for a battery, to the electronic control unit of a machine driven by an internal-combustion engine  | 
| 01/28/1998 | EP0820655A1 Large signal linear digital substantially unity power-factor controller for controlling a power supply  | 
| 01/28/1998 | CN1171863A Transmission line power flow controller with unequal advancement and retardation of transmission angle  | 
| 01/27/1998 | US5712780 Unity power factor converter for high quality power supply with magnetically coupled compensation  | 
| 01/27/1998 | US5712774 Device for suppressing higher harmonic current of power source  | 
| 01/27/1998 | US5712772 Controller for high efficiency resonant switching converters  | 
| 01/21/1998 | EP0820141A2 Zero voltage control for a mixed bridge  | 
| 01/21/1998 | EP0820136A2 Power supply circuit for an air conditioner  | 
| 01/21/1998 | EP0819329A1 Thyristor valve for a converter intended for use in power transmission by means of high-voltage direct current  | 
| 01/21/1998 | EP0772902B1 Current supply apparatus, in particular battery-loading apparatus for electric vehicles or the like  | 
| 01/21/1998 | CN1170854A Air conditioner  | 
| 01/20/1998 | US5710698 Delta connected resonant snubber circuit  | 
| 01/15/1998 | WO1998001940A1 Power converter  | 
| 01/15/1998 | WO1998001939A1 Power converter  | 
| 01/15/1998 | WO1998001937A2 A connection means between a frequency converter and its load  | 
| 01/15/1998 | DE19729388A1 AC=DC voltage converter with reduced harmonics content  | 
| 01/15/1998 | CA2259554A1 Power converter  | 
| 01/14/1998 | EP0818889A2 Gate voltage limiting for a circuit arrangement  | 
| 01/14/1998 | EP0750808B1 Process and device for equalising the voltage distribution to gate-controlled, series-connected semiconductors  | 
| 01/14/1998 | CN1170273A Ac/Dc power converter device  | 
| 01/13/1998 | US5708575 For converting an electric dc voltage into an output voltage  | 
| 01/13/1998 | US5708571 Synchronous rectifying circuit of an active clamping type with less driving loss and less continuity loss  | 
| 01/13/1998 | US5708353 Device for detecting the short circuiting of the switches of a converter circuit arrangement  | 
| 01/08/1998 | WO1998000903A1 A phase shift triggering circuit for thyristor and an integrated module of the triggering circuit and the thyristor  | 
| 01/07/1998 | EP0817381A2 Semiconductor device drive circuit  | 
| 01/07/1998 | EP0815636A1 Electric circuit  | 
| 01/07/1998 | EP0815635A1 Power supply circuit with a storage capacitor  | 
| 01/07/1998 | CN2272176Y Temp controllable electric heating blanket switch  | 
| 01/07/1998 | CN1169783A Mtthod and apparatus for electronic power control  | 
| 01/07/1998 | CN1169617A Regulated dc. power-supply circuit for intermittent switch  | 
| 01/02/1998 | DE19726310A1 Reference voltage generation circuit with noise voltage suppression for digital mobile device  | 
| 12/31/1997 | WO1997050168A1 Power supply for light emitting diode array  | 
| 12/31/1997 | CN1169212A Circuit  | 
| 12/31/1997 | CN1169053A AC/DC converting circuit  | 
| 12/31/1997 | CA2259258A1 Power supply for light emitting diode array  | 
| 12/30/1997 | US5703767 Apparatus and method to prevent saturation of interphase transformers  | 
| 12/30/1997 | US5703763 Power supply apparatus with improved efficiency  | 
| 12/30/1997 | US5703438 Line current filter for less than 10% total harmonic distortion  | 
| 12/29/1997 | EP0814559A2 AC/DC power converter device  | 
| 12/29/1997 | EP0813767A1 Switched-mode power supply with synchronous preconverter  | 
| 12/24/1997 | WO1997049166A1 Interchangeable plug power supply with automatically adjusting input voltage receiving mechanism  | 
| 12/24/1997 | WO1997049165A1 Gate drive circuit for an scr  | 
| 12/24/1997 | CN1168748A Power rectifier circuit  | 
| 12/23/1997 | US5701243 High-power factor series resonant rectifier circuit  | 
| 12/23/1997 | US5701237 Switching power supply  | 
| 12/23/1997 | CA2008127C Method and apparatus for controlling a single-or polyphase a.c. controller  | 
| 12/20/1997 | CA2208978A1 Ac/dc power converter device  | 
| 12/18/1997 | WO1997048174A1 A method and an apparatus for filtering an electric current supplied to a motor  | 
| 12/17/1997 | EP0813082A1 Light trigger thyristor  | 
| 12/17/1997 | EP0812487A1 Protective circuit for series-connected power semiconductors  | 
| 12/17/1997 | CN1168181A Switching power supply with auxiliary circuit to power beat generator  | 
| 12/17/1997 | CN1168021A Active absorption circuit for soft switch  | 
| 12/16/1997 | US5699239 Power supply control circuit  | 
| 12/16/1997 | US5699018 Negative voltage generator  | 
| 12/16/1997 | US5699008 Thyristor controllable by logic signals  | 
| 12/16/1997 | US5698950 Suppressor for an electronic ballast in a discharge lamp  | 
| 12/10/1997 | EP0812055A2 Multi-Level Inverter  | 
| 12/10/1997 | EP0811529A2 Circuit with reduced EMI radiation  | 
| 12/10/1997 | CN1167360A Synchronous power source  | 
| 12/09/1997 | US5696670 Power supply for arc-discharge load  | 
| 12/03/1997 | EP0810721A2 Welding converter device  | 
| 12/03/1997 | EP0810712A2 Circuit arrangement for controlled injection  | 
| 12/03/1997 | EP0809879A1 Method and device for filtering and damping conducted interference caused by ultimate consumers  | 
| 12/03/1997 | EP0724791B1 Converter circuit  | 
| 12/03/1997 | CN1166720A Versatile unit-block combined trigger  | 
| 12/02/1997 | US5694310 Three phase input boost converter  | 
| 12/02/1997 | US5694309 Synchronization of power converter arrays  | 
| 12/02/1997 | US5694307 Integrated AC/DC and DC/DC converter  | 
| 12/02/1997 | US5694305 Method and apparatus for protection of electronic circuitry  | 
| 12/02/1997 | US5694304 High efficiency resonant switching converters  | 
| 12/02/1997 | US5694302 Passive clamp and ripple control for buck boost converter  | 
| 11/28/1997 | WO1997045948A1 Rcc switching power supply  | 
| 11/26/1997 | EP0809348A1 DC voltage switching power supply with current limitation  | 
| 11/26/1997 | EP0809346A1 Inverter apparatus for supplying a brushless DC motor with drive power  | 
| 11/26/1997 | EP0808552A1 Ballast system  | 
| 11/26/1997 | EP0746809A4 Electronic ballast with low harmonic distortion  | 
| 11/26/1997 | CN2269024Y Universal trigger of digital phase locked loop controlling thyristors  | 
| 11/26/1997 | CN1166080A Switched-mode power supply having standby mode  | 
| 11/26/1997 | CN1166078A Output voltage compensating circuit  |