| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 02/04/1993 | DE4222793A1 Throughflow converter - has transformer with prim. winding via which first controlled switch is at input DC voltage and two sec. windings with common base |
| 02/04/1993 | DE4125033A1 Consumer appliance voltage supply circuit - has switch between pilot resistor and capacitor, with switch operation dependent on capacitor voltage |
| 02/03/1993 | EP0525920A1 Circuit for remote power supply of 2-wire field transmitters |
| 02/03/1993 | EP0525898A2 Circuit arrangement with a switching power supply |
| 02/03/1993 | EP0525652A1 Switched mode power supply with startup precharge |
| 02/03/1993 | EP0525495A1 DC - DC converter |
| 02/02/1993 | US5184290 Switching regulator |
| 02/02/1993 | US5184289 Magnetic control process for transfering energy in a static converter |
| 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 |
| 01/27/1993 | EP0524532A1 Focus coil current generator for a cathode ray tube |
| 01/27/1993 | EP0524347A2 Control method for a field-effect transistor, its arrangement and its application |
| 01/27/1993 | EP0400041B1 Process and circuit arrangement for determining the charging time of an accumulator |
| 01/26/1993 | US5182702 Inverter device |
| 01/21/1993 | WO1993001642A1 Electronic power supply unit |
| 01/21/1993 | DE4219222A1 Spannungsumsetzungsvorrichtung fuer einen gleichspannungsverbraucher Voltage conversion device for a DC-consumer |
| 01/21/1993 | DE4123634A1 Switching regulator with push=pull resonant DC=DC converter |
| 01/20/1993 | EP0523807A2 Cmos high voltage switching controller |
| 01/19/1993 | US5181170 High efficiency DC/DC current source converter |
| 01/19/1993 | US5181169 Bi-directional PWM converter |
| 01/19/1993 | US5181160 Driving circuit for inverter microwave oven |
| 01/19/1993 | US5180964 Zero-voltage switched FM-PWM converter |
| 01/19/1993 | US5180928 Constant voltage generation of semiconductor device |
| 01/19/1993 | CA1312917C Method and device for reducing the damaging effects of transients on the functioning of a buck cell |
| 01/13/1993 | EP0522659A2 DC-DC converter with microprocessor control |
| 01/12/1993 | US5179512 Gate drive for synchronous rectifiers in resonant converters |
| 01/12/1993 | US5179511 Self-regulating class E resonant power converter maintaining operation in a minimal loss region |
| 01/12/1993 | US5179508 Standby boost converter |
| 01/12/1993 | US5179496 Excitation current device for automotive electromagnetic clutch |
| 01/12/1993 | US5179331 Pulse width regulated high voltage power supply using ringless flyback transformer |
| 01/12/1993 | US5179296 Charge pump substrate bias circuit |
| 01/12/1993 | US5179289 Cascaded transformerless DC-DC voltage amplifier with optically isolated switching devices |
| 01/07/1993 | WO1993000765A1 Stabilized high voltage power supply circuit |
| 01/07/1993 | DE4121942A1 Resonance transducer for HF switching regulator - has efficient isolating circuit between resonant and load circuits, with isolating transformer and electronic switch |
| 01/07/1993 | DE4120147A1 Switching regulator with push=pull resonant DC=DC converter |
| 01/05/1993 | US5177676 Voltage source with enhanced source impedance control |
| 01/05/1993 | US5177675 Zero voltage, zero current, resonant converter |
| 01/05/1993 | US5177430 Circuit for securing a power supply |
| 01/05/1993 | US5177372 Parallel operation power supply control system |
| 01/05/1993 | CA2029230C Switching power supply for microwave oven |
| 12/30/1992 | EP0520663A2 Circuit to improve stability of high duty cycle current controlled PWM regulators |
| 12/30/1992 | EP0520480A2 High-voltage power source control device |
| 12/29/1992 | US5175706 Programming voltage generator circuit for programmable memory |
| 12/29/1992 | US5175675 Switching regulator in which oscillation is maintained below a predetermined frequency |
| 12/24/1992 | DE4120146A1 Schaltregler Switching Regulators |
| 12/23/1992 | WO1992022956A1 Switching regulator |
| 12/23/1992 | WO1992022955A1 Switching regulator |
| 12/23/1992 | WO1992022954A1 Switch mode power supply with reduced input current distortion |
| 12/23/1992 | WO1992022951A1 Superconducting energy stabilizer having multiple load connections and employing dc-dc conversion |
| 12/23/1992 | WO1992017934A3 Start-up circuit for a switching network |
| 12/23/1992 | EP0519882A2 Equipment for the generation of stabilized high direct voltage, particularly for use in combination with a non-polluting muffler |
| 12/23/1992 | EP0519555A1 Quasi push-pull single switch current-fed fly-back converter |
| 12/23/1992 | EP0518911A1 Circuits for the separate potential transmission of pulses of any length or frequency for driving transitor circuits. |
| 12/22/1992 | US5173847 PWM power supply with synchronous rectifier and synchronizing oscillator |
| 12/22/1992 | US5173846 Zero voltage switching power converter |
| 12/16/1992 | EP0518300A1 Power supply circuit |
| 12/15/1992 | US5172308 DC-DC converter with transformer having a single secondary winding |
| 12/15/1992 | US5171949 Switching power supply for microwave oven |
| 12/10/1992 | DE4118918A1 DC=DC converter with two sec. output stages - has two current-controlled transductor chokes in series supplying one of two rectifying and smoothing circuits |
| 12/09/1992 | EP0517493A2 Start circuit for a power supply control integrated circuit |
| 12/09/1992 | EP0517226A1 Power source apparatus for microwave oven |
| 12/09/1992 | EP0517116A1 High voltage generating circuits |
| 12/09/1992 | CN1019415B Explosion-proof and explosive-insulation blaster |
| 12/08/1992 | US5170333 Switching regulator operating in a continuous and discontinuous mode |
| 12/08/1992 | US5170070 Switching power supply and adapter for switching power supply |
| 12/08/1992 | US5170040 Device for supplying energy to a heated window pane from an electrical network of a motor vehicle |
| 12/08/1992 | US5168870 Defibrillator |
| 12/03/1992 | DE4117891A1 Switching network adaptor for TV receiver or video recorder - has capacitor second electrode coupled to current source in integrated circuit |
| 12/02/1992 | EP0516377A2 An improved tapped-inductor boost convertor for operating a gas discharge lamp |
| 12/02/1992 | EP0516025A2 Low voltage D.C. to D.C. converter |
| 12/02/1992 | EP0515988A1 Single-ended forward converter with a transformer and with a protection circuit for an electronic switch |
| 12/02/1992 | EP0515421A1 Combinatorial circuit component. |
| 12/01/1992 | US5168436 Uninterruptible power supply |
| 12/01/1992 | US5168435 Converter |
| 12/01/1992 | US5168174 Negative-voltage charge pump with feedback control |
| 11/29/1992 | CA2068153A1 Tapped-inductor boost convertor for operating a gas discharge lamp |
| 11/26/1992 | WO1992020546A1 Electronic control circuit for supplying ohmically inductive loads by means of d.c. pulses |
| 11/25/1992 | EP0515059A1 Implantable defibrillator system |
| 11/24/1992 | US5166871 Voltage regulation apparatus |
| 11/24/1992 | US5166869 Complementary electronic power converter |
| 11/24/1992 | US5166543 Current regulating circuit for an inductive load, particularly automatic transmission |
| 11/24/1992 | US5166538 Dual or single voltage vehicular power supply with improved switch driver and load dump |
| 11/19/1992 | EP0514064A2 Apparatus and method for eliminating false current limit triggering in a grounded source/emitter power switching circuit |
| 11/19/1992 | EP0513920A2 Apparatus for operating discharge lamps |
| 11/19/1992 | EP0513842A1 Power supply apparatus for magnetron driving |
| 11/19/1992 | DE4116434A1 TV power supply blocking converter with auxiliary winding only at primary transformer side - has transistor switching stage controlled by comparison of regulator input with measured value |
| 11/17/1992 | US5164892 Pulse electric power unit |
| 11/17/1992 | US5164891 Low noise voltage regulator and method using a gated single ended oscillator |
| 11/17/1992 | US5164659 Switching circuit |
| 11/17/1992 | US5164656 Switching power supply with constant or sinusoidal input current |
| 11/11/1992 | EP0512544A2 High voltage power supply control apparatus |
| 11/11/1992 | EP0512121A1 Current controller for inductive load |
| 11/10/1992 | US5162982 Power converter continuously operable through boost and buck modes |
| 11/10/1992 | US5162981 Low voltage d.c. to d.c. converter |
| 11/10/1992 | US5162668 Small dropout on-chip voltage regulators with boosted power supply |
| 11/10/1992 | US5162663 Selective output disconnect for a single transformer converter |
| 11/10/1992 | CA1310052C Circuit for controlling power dissipated by an electrical resistance |
| 11/04/1992 | EP0511852A2 Power supply circuit |
| 11/03/1992 | US5161098 AC adaptor |
| 11/03/1992 | US5161097 Electric power unit |
| 11/03/1992 | US5161096 Method and circuit to quickly start a negative switching voltage regulator |