Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
09/1987
09/01/1987US4691304 Semiconductor device having an arrangement for preventing operational errors
09/01/1987US4691275 Current fed inverter
09/01/1987US4691273 Series resonant converter with parallel resonant circuit
09/01/1987US4691271 Voltage multiplier and voltage multipliers in an amplifier with double rail output
09/01/1987US4691159 Partial shunt switching limiter for a spacecraft solar-panel or like power-source array
09/01/1987US4691118 Solar power circuit
08/1987
08/27/1987WO1987005165A1 Switching regulator
08/26/1987EP0140962B1 Voltage converter
08/25/1987US4689730 Flyback transformer circuit with a noise cancelling circuit
08/19/1987EP0232915A2 Circuit arrangement of a DC voltage source based on resonance
08/19/1987EP0232828A2 Vehicular power supply system having a plurality of power supply voltages
08/19/1987EP0232764A2 Circuit arrangement for controlling the longitudinal switch member of a switching current power supply apparatus
08/19/1987EP0232300A1 High power electronic voltage converter-reducer
08/19/1987CN86107801A Flyback power supply
08/18/1987US4688162 Rectifier control apparatus with improved power factor
08/18/1987US4688160 Single ended forward converter with resonant commutation of magnetizing current
08/18/1987US4688159 Switched-mode power supply having a standby state
08/18/1987US4688158 Flyback power supply
08/18/1987US4688157 Switching circuit using a fast diode and provided with means for damping oscillations on opening
08/18/1987CA1225698A1 Circuit for voltage multiplication
08/18/1987CA1225697A1 Low input voltage precision dc-to-dc voltage converter circuit
08/13/1987WO1987004885A1 Mains switch for television sets
08/13/1987WO1987004875A1 Switching mode power supply start circuit
08/12/1987EP0231756A1 Double resonant inverter
08/12/1987EP0231481A2 AC-DC converter provided with an asymmetric half-bridge circuit
08/12/1987EP0231204A1 Back bias generator.
08/12/1987CN86100116A Circuit for limiting surge current
08/11/1987US4686617 Current limited constant frequency dc converter
08/11/1987US4686616 For producing at least one stable DC voltage from an AC line voltage
08/11/1987US4686615 Power supply circuit
08/11/1987US4686614 For converting an AC input voltage to a DC output voltage
08/11/1987US4686448 Slewing power supply for programmable phase shifter drive
08/06/1987DE3602858A1 Schaltnetzteil fuer fernsehgeraete Switching power supply for TVs
08/05/1987EP0230930A2 Switching power supply for a remote control device
08/05/1987CN85105702A Electric power controller
08/04/1987US4685041 Resonant rectifier circuit
08/04/1987US4685040 Integrated circuit for controlling power converter by frequency modulation and pulse width modulation
08/04/1987US4685039 DC/DC converter
08/04/1987US4685020 Shutdown circuit for blocking oscillator power supply
08/04/1987US4684871 Power supply circuit
08/04/1987US4684859 Chopper control system
08/04/1987CA1225117A1 Variable input voltage regulator circuit
07/1987
07/29/1987EP0231204A4 Back bias generator.
07/29/1987EP0230386A2 AC input free power source
07/29/1987EP0230070A2 Power supply having dual ramp control circuit
07/29/1987EP0229950A1 Transformerless supply circuit
07/28/1987US4683529 Switching power supply with automatic power factor correction
07/28/1987US4683528 Pulse position modulated regulation for power supplies
07/28/1987US4683415 Line frequency switching power supply
07/28/1987CA1224842A1 Parallel mosfet power switch circuit
07/23/1987EP0211005A4 Transistor inverter interlock circuit.
07/23/1987DE3546161A1 Transistor output stage, especially a line output stage or switched-mode power supply
07/22/1987EP0229482A2 Switching circuit utilizing a field effect transistor and voltage regulator
07/21/1987US4682081 Single-ended, self-oscillating DC-DC converter for intermittently energized load having VBE responsive current limit circuit
07/15/1987EP0228796A1 Start controlling circuit for adapting a constant current generator to a wide variety of loads
07/14/1987US4680693 Continuous high d.c. voltage supply particularly for an X-ray emitter tube
07/14/1987US4680689 Three-phase ac to dc power converter with power factor correction
07/14/1987US4680688 DC/DC converter
07/14/1987US4680687 Switch-mode power supply having a free-running forward converter
07/14/1987US4680534 Drive method for switching power converter and apparatus using this method
07/14/1987US4680511 Video apparatus for generating a conductively isolated control signal
07/14/1987US4680506 Inverter-type microwave oven power supply
07/09/1987DE3605417C1 Rectifier circuit
07/07/1987US4679134 Integrated dual charge pump power supply and RS-232 transmitter/receiver
07/07/1987US4679133 System for alleviating harmonic distortion
07/07/1987US4679132 For supplying power from a source
07/07/1987US4679131 Regulating power supply for video display apparatus
07/07/1987US4679129 Series resonant converter
07/07/1987US4678984 Digital power converter input current control circuit
07/07/1987CA1223921A1 Dc-dc converter
07/02/1987WO1987004023A1 Emi reduction circuit
07/02/1987DE3643994A1 Voltage multiplier circuit
07/02/1987DE3544980A1 Circuit arrangement for triggering controllable semiconductor valves
07/01/1987EP0227382A2 Forward converters used in switching power supplies
07/01/1987EP0227042A2 High voltage source providing continuously regulated output voltage, preferably for supplying low-power ion and electron beam machining and evaporating apparatuses
07/01/1987EP0226801A2 Optical repeater and regulated current feeding system for the same
06/1987
06/30/1987US4677537 Converter device
06/30/1987US4677536 AC Current sensing circuit
06/30/1987US4677534 Stabilizing power source apparatus
06/30/1987US4677367 Current fed boost converter
06/30/1987US4677366 Unity power factor power supply
06/25/1987DE3545911A1 Circuit for operating a DC load
06/24/1987EP0226510A1 Balanced voltage converter with primary regulation
06/24/1987EP0226256A1 Charging circuit for energy storage capacitors
06/24/1987EP0226253A1 Power supply circuit
06/24/1987EP0226191A2 Current FED boost converter
06/24/1987EP0226128A2 Electronic switching power supply
06/23/1987US4675798 Direct coupled switching power supply with GTO SCR switching element
06/23/1987US4675797 Current-fed, forward converter switching at zero current
06/23/1987US4675796 High switching frequency converter auxiliary magnetic winding and snubber circuit
06/23/1987US4675588 Electrical power control apparatus
06/19/1987DE3639054A1 Isolating transformer having at least one isolating transformer/transformer arrangement
06/19/1987DE3544547A1 Electrical DC/DC voltage converter system
06/16/1987US4674119 Wide-band high voltage amplifier for telephone exchange subscriber line interface utilizing low voltage control circuitry
06/16/1987US4674022 SCR priming and sweep-out circuit apparatus
06/16/1987US4674021 Static inverter with an overcurrent circuit upon a short circuit
06/16/1987US4674020 Power supply having dual ramp control circuit
06/16/1987US4674019 Transformer-coupled two-inductor buck converter
06/16/1987US4673865 Charge coupled LED driver circuit
06/16/1987US4673829 Charge pump for providing programming voltage to the word lines in a semiconductor memory array