Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 3 - Conversion of dc power input into dc power output
Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/1990
10/18/1990WO1990012445A1 Electrical switching circuit
10/17/1990EP0392963A2 Preprocessor auxiliary power supply
10/17/1990EP0392420A1 DC-DC switching converter
10/17/1990EP0392419A1 Regulation device for one electrical parameter during energy transfer between two networks
10/17/1990EP0392017A1 Voltage drop detector circuit
10/17/1990CN1010069B Dc to dc converter
10/16/1990US4964029 AC to DC power converter with input current waveform control for buck-boost regulation of output
10/16/1990US4964028 Current limited quasi-resonant voltage converting power supply
10/14/1990CA2014381A1 Device for regulating an electrical parameter during energy transfers between two networks
10/12/1990CA2007517A1 Preprocessor auxiliary power supply
10/10/1990EP0391679A1 Oscillator circuit
10/10/1990EP0391065A2 Switch arrangement to raise a supply-voltage
10/10/1990EP0390786A1 Power supply start circuit
10/09/1990US4962512 Step-up circuit
10/09/1990US4962354 Superconductive voltage stabilizer
10/09/1990US4962349 Battery operated power supply with low voltage start circuit
10/08/1990WO1990012446A1 A controller for an electrical load
10/08/1990CA2051402A1 Controller for an electrical load
10/04/1990WO1990011642A1 A switching power supply
10/04/1990DE3910685A1 Circuit arrangement for damping a flyback converter
10/04/1990DE3910118A1 Converter and transformer
10/03/1990EP0389846A2 Voltage multiplier circuit
10/02/1990US4961128 Push-pull zero-ripple IM converter system
10/02/1990US4961048 MOSFET switching arrangement in a power converter unit
09/1990
09/26/1990EP0389154A2 Self-oscillating converter with light load stabilizer
09/26/1990EP0389047A2 High frequency high voltage power supply with controlled output power
09/26/1990EP0388802A2 Error amplifier for use with parallel operated autonomous current or voltage regulators using transconductance type power amplifiers
09/25/1990US4959765 DC to DC converter using quasi-resonance
09/25/1990US4959764 DC/DC converter switching at zero voltage
09/25/1990US4959606 Current mode switching regulator with programmed offtime
09/20/1990WO1990010972A1 Process and arrangement for operating a switching control
09/20/1990DE3908338A1 Method and device for controlling a load, especially in motor vehicles
09/19/1990EP0388069A2 DC-DC converter circuit
09/19/1990EP0387961A1 A DC-to-AC voltage converter having galvanically separate input and output circuits
09/19/1990EP0387563A2 Voltage regulator with AC ADD feature
09/19/1990EP0387435A1 Control arrangement for a switched mode power supply
09/18/1990US4958268 Switching power supply
09/18/1990US4958121 Protection of power converters from voltage spikes
09/13/1990DE4007214A1 Synchronised switch mode power supply e.g. for TV receiver - applies control voltage via transformer to PWM which responds to oscillator output signal for producing PWM control signal
09/13/1990DE3907682A1 Circuit arrangement for suppressing interference voltages in DC-voltage converters
09/12/1990EP0386989A2 A switch mode power supply with burst mode standby operation
09/12/1990EP0386980A2 Switched-mode regulator circuit
09/12/1990EP0386261A1 Electrostatic transformer
09/12/1990EP0386020A1 Switching network component
09/12/1990CN2062133U Pulsewidth modulating swith power stabilizer
09/12/1990CN1045316A Power-supply circuit
09/11/1990US4956761 Switching power source apparatus of ringing choke converter system
09/11/1990US4956760 High power switching power supply having high power factor
09/11/1990US4956584 Strobe trigger pulse generator
09/07/1990WO1990010338A1 Circuit for protecting switching regulator
09/07/1990CA2011492A1 Switched-mode regulator circuit
09/05/1990EP0415923A4 High efficiency converter.
09/05/1990EP0385845A1 Electronic supply of electric power to a load of a preferably capacitive nature, such as in particular a discharge tube, periodically short-circuited without cutting off said power supply
09/05/1990EP0385546A1 Switched-mode power supply circuit including a starting circuit
09/05/1990EP0385544A1 Switched-mode power supply circuit
09/05/1990EP0385319A1 Switching power supply circuit
09/05/1990EP0385228A2 High dynamic performance DC-DC converter system with time share control
09/04/1990US4954767 Control device for switched power supply
09/04/1990US4954758 Power source circuit
09/04/1990US4954753 Strobe flash lamp power supply with input voltage feedthrough afterflow prevention circuit
09/04/1990US4954752 Row driver for EL panels and the like with transformer coupling
08/1990
08/30/1990DE3906166A1 Electrical power supply unit
08/29/1990EP0384680A2 Switching circuitry
08/29/1990EP0383962A1 High-voltage rectifier and associated control electronics
08/29/1990EP0383815A1 Current mode converter with controlled slope compensation
08/29/1990EP0219504B1 Circuit arrangement for generating high voltage pulses
08/29/1990CN1045006A 电源电路 Power circuit
08/29/1990CN1045005A 电源电路 Power circuit
08/28/1990US4953068 Full bridge power converter with multiple zero voltage resonant transition switching
08/28/1990US4952864 Power supply down-conversion, regulation and low battery detection system
08/28/1990US4952821 Voltage detection circuit and comparison voltage generator therefor
08/28/1990CA1273397A1 Low power high efficiency switching power supply
08/22/1990EP0383383A1 Power-supply circuit
08/22/1990EP0383382A1 Power supply circuit
08/22/1990EP0383381A1 Power supply circuit
08/22/1990EP0382929A2 Voltage regulator circuit
08/21/1990US4951186 Single-ended forward frequency converter with a transformer and a demagnetization means
08/21/1990US4951185 Resonant inverter employing frequency and phase modulation using optimal trajectory control
08/16/1990EP0382307A2 Switching power supply device
08/16/1990EP0382110A2 Output control circuit for reversers, and high-frequency power supply for the DC supply of a welding station
08/16/1990DE4004412A1 DC to DC voltage converter
08/16/1990DE3940955A1 Switched power supply - has coupled converter stages to provide different voltage levels
08/16/1990DE3904511A1 Voltage converter
08/16/1990DE3904297A1 Switched-mode power supply for a DC motor
08/15/1990CN2060607U D.c. electronic potentiometer
08/14/1990US4949030 Isolated analog voltage sense circuit
08/14/1990US4949017 Strobe trigger pulse generator
08/14/1990CA2009738A1 Power-supply circuit
08/08/1990EP0380702A1 Switching regulator
08/08/1990EP0207096B1 Power supply with volt-seconds sensing
08/08/1990CN1044552A Power supply arrangement
08/07/1990US4947311 Electrical power conversion circuit
08/07/1990US4947308 High power switching power supply
08/07/1990US4947101 Digital switching voltage regulator
08/02/1990DE4002042A1 Power supply unit esp. DC supply unit - with converts DC input to HF power which is converted to several DC voltage outputs
08/01/1990EP0380033A2 Circuit arrangement for a freely oscillating flyback switching power supply
08/01/1990EP0379696A1 Voltage-boosting converter with a demagnetization energy recuperation coil
07/1990
07/31/1990US4945467 Multiple-mode voltage converter
07/31/1990US4945466 For providing an output voltage to a load
07/31/1990US4945465 Switched-mode power supply circuit
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