| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 02/11/1992 | CA1295671C High frequency zero voltage switching resonant power inverter with extended line and load range |
| 02/11/1992 | CA1295670C Dc supply having low and high constant voltages for powering an inverter controller |
| 02/06/1992 | WO1992002074A1 Self-integration voltage converter |
| 02/06/1992 | WO1992002072A1 Miniaturized switching power supply with programmed level gate drive |
| 02/05/1992 | EP0469821A2 Switch mode power supply |
| 02/05/1992 | EP0469501A2 Power saving DC-DC converter for radio pagers |
| 02/05/1992 | CN1058495A Power supply for electronic controller of electric network for tractors |
| 02/04/1992 | US5086383 Step-up power supplying circuit |
| 02/04/1992 | US5086382 Circuit configuration for a controlled blocking oscillator converter switching power supply |
| 02/04/1992 | US5086381 DC-DC converter |
| 01/29/1992 | EP0468513A2 High voltage power supply control apparatus |
| 01/29/1992 | CN2094827U High-reliability high-valtage quick cutting off dc converter |
| 01/29/1992 | CN2094826U Mult-function electronic controller |
| 01/28/1992 | US5084811 Progressive start up device for a switching power supply |
| 01/28/1992 | US5084666 Switchable output voltage converter |
| 01/28/1992 | CA1295014C Digitally controlled a.c. to d.c. power conditioner that draws sinusoidal input current |
| 01/28/1992 | CA1295013C Power supply operable on varying inputs |
| 01/26/1992 | WO1992002073A1 Miniaturized switching power supply having unidirectional spike filter |
| 01/23/1992 | WO1992001355A1 Combinatorial circuit component for a television receiver |
| 01/23/1992 | DE4116270A1 Active suspension for motor vehicle engine mounting - counters vibrations by electrically powered mechanical oscillating with mechanical amplification |
| 01/23/1992 | DE4023253A1 Harmonic-free DC power supply for bipolar load - uses concreted shorting of several sources of direct current sharing same deg. of pulse width modulation |
| 01/23/1992 | DE4023139A1 Unloading circuit for half-bridge type high-power push=pull converter - has step=down control returning energy to input without conversion into heat |
| 01/22/1992 | EP0467682A2 Drive circuit for voltage driven type semiconductor device |
| 01/22/1992 | EP0467681A2 Drive circuit for current sense IGBT |
| 01/22/1992 | EP0467667A2 Power supply circuit for electronic equipment |
| 01/22/1992 | EP0466757A1 A controller for an electrical load |
| 01/22/1992 | CN2094151U Dc conversing power supply for lighting and controlling trolleys |
| 01/21/1992 | US5083254 Starting circuit for a switching power supply having switching means responsive to a shutoff command |
| 01/21/1992 | CA1294671C Double-switched flyback power-converter |
| 01/16/1992 | DE4022498A1 Explosion protected warning light - has light element in series circuit, contg. inductance, electronic switch and current |
| 01/16/1992 | DE4021940A1 Schaltnetzteil fuer einen fernsehempfaenger Switching power supply for a fernsehempfaenger |
| 01/16/1992 | DE4021385A1 Generation circuitry for two DC voltage supplies - has switched transformer with two output circuits having diodes and capacitors |
| 01/15/1992 | EP0466627A2 Blocking oscillator power supply for a display device |
| 01/15/1992 | EP0466532A1 Charge pump device with imbricated phases |
| 01/15/1992 | EP0465903A1 Magnetic control method of energy transfer in a static converter |
| 01/15/1992 | EP0465472A1 Power supply with forward converter |
| 01/14/1992 | US5081570 Control system for electric power supply |
| 01/14/1992 | US5081509 Semiconductor rectifying diode with pn geometry |
| 01/14/1992 | US5081411 AC/DC two-wire control techniques |
| 01/14/1992 | US5081371 Integrated charge pump circuit with back bias voltage reduction |
| 01/14/1992 | CA1294324C Power supply with regulated output voltage |
| 01/14/1992 | CA1294323C Dc to dc converter current pump |
| 01/09/1992 | DE4018930A1 Bridge circuit for pulse operated inverter - switches power semiconductors in overlapping sequence using inductively short-circuited feed voltages |
| 01/08/1992 | EP0464909A1 Integrated circuit with co-integrated power supply reduction |
| 01/08/1992 | EP0464246A1 Circuit arrangement for a freely oscillating flyback switching power supply |
| 01/08/1992 | EP0464240A1 Circuit for a blocking oscillator converter working in the auto-oscillation mode |
| 01/07/1992 | US5079689 Pulse-type electric supply for a load equipped with means for diverting the electric power liable to be reflected by the load |
| 01/07/1992 | US5079686 Enhancement-mode zero-current switching converter |
| 01/07/1992 | US5079498 Digital pulse-width-modulation generator for current control |
| 01/02/1992 | EP0463892A1 Low voltage-high voltage converter |
| 12/31/1991 | US5077691 Flash EEPROM array with negative gate voltage erase operation |
| 12/31/1991 | US5077652 Dual feedback loop DC-to-AC converter |
| 12/31/1991 | US5077486 Power supply for cathodic protection system |
| 12/27/1991 | EP0462124A1 Process and arrangement for operating a switching control. |
| 12/24/1991 | US5075839 Inductor shunt, output voltage regulation system for a power supply |
| 12/24/1991 | US5075837 Blocking oscillator switching power supply with transformer demagnetization monitor circuit |
| 12/24/1991 | US5075836 Series resonant power converter |
| 12/24/1991 | US5075821 DC to DC converter apparatus |
| 12/18/1991 | EP0461717A1 DC/DC voltage multiplier |
| 12/18/1991 | CN1057133A Hf switch capacitor inventer |
| 12/17/1991 | US5073850 Start circuit for a power supply control integrated circuit |
| 12/17/1991 | US5073849 Resonant DC to DC converter switching at zero current |
| 12/17/1991 | US5072608 Reduction of transient thermal stresses in machine components |
| 12/12/1991 | DE4117177A1 Quasi-resonant DC-AC voltage converter - uses non-regenerative switch in series with inductive-capacitive resonance circuit |
| 12/12/1991 | CA2042274A1 Multiple-output, single-ended, resonant power converter |
| 12/11/1991 | EP0460850A2 Motor vehicles |
| 12/11/1991 | EP0460573A1 Regulation device of a parameter by a bidirectional structure in current |
| 12/11/1991 | EP0460571A1 Method of control for a switching regulator and corresponding device |
| 12/11/1991 | EP0460554A1 Hybrid integrated circuit device |
| 12/11/1991 | EP0460411A1 Apparatus and method for improving load regulation in switching power supplies |
| 12/11/1991 | EP0460130A1 Dual current sensing driver circuit |
| 12/10/1991 | US5072355 Ac-dc chopper converter type of supply |
| 12/10/1991 | US5072353 Circuit configuration for a blocking oscillator converter switching power supply |
| 12/10/1991 | US5072332 Heat-dissipating structure for a switching power supply |
| 12/10/1991 | US5072171 High efficiency power converter employing a synchronized switching system |
| 12/10/1991 | US5072159 Lamp driver circuit |
| 12/10/1991 | US5072134 Internal voltage converter in semiconductor integrated circuit |
| 12/10/1991 | CA1293020C Full-fluxed, single-ended dc converter |
| 12/09/1991 | CA2043882A1 Cutting regulator control process, and device for the implementation of said process |
| 12/09/1991 | CA2043881A1 Parameter regulating device using a currentwise bidirectional structure |
| 12/05/1991 | DE4042377A1 DC electric drive e.g. for traction of vehicle or locomotive |
| 12/05/1991 | DE4017374A1 DC voltage converter supplying electronic appts. - uses controlled switch and associated control circuit responsive to supplied input voltage |
| 12/05/1991 | DE4017207A1 Electrical supply with high current change speeds - using several current adjusters with symmetrically offset pulsed current cycles producing reduced inductivity in smoothing valve |
| 12/04/1991 | EP0459919A1 Electrical system comprising an electromechanical relay and a rectifying step-down circuit |
| 12/04/1991 | CN2089894U Strong switch for transistor chopper |
| 12/03/1991 | US5070439 DC to DC converter apparatus employing push-pull oscillators |
| 12/03/1991 | US5070294 Multi-output dc-dc converter using field-effect transistor switched at high frequency |
| 12/02/1991 | CA2042485A1 Process for limiting overload based on pwm (or lc3) control technique and electronic device for implementing such process |
| 11/28/1991 | WO1991015053A3 Electronic switch supply unit |
| 11/26/1991 | US5068776 Switched-mode DC-DC power converter for reducing effects of magnetization current |
| 11/26/1991 | US5068775 High dynamic performance dc-dc converter system with time share control |
| 11/26/1991 | US5068596 Internal grounding arrangement in a switching power converter |
| 11/26/1991 | US5068572 Switch mode power supply |
| 11/26/1991 | CA1292560C High voltage regulator in a television apparatus |
| 11/21/1991 | EP0457279A2 DC-DC Converter for video apparatus |
| 11/21/1991 | DE4115734A1 Electrical transformer for increased voltage - has chopper circuit with suppression of high frequency components |
| 11/19/1991 | US5067066 Voltage-mode quasi-resonant dc/dc converter |
| 11/19/1991 | US5066900 Dc/dc converter switching at zero voltage |
| 11/19/1991 | US5066871 Maximum swing cascode circuit for a bipolar charge pump |
| 11/19/1991 | US5066870 Charge pump having pull-up circuit operating with two clock pulse sequences |