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)
06/1994
06/28/1994	US5325282 Low voltage-to-high voltage converter
06/23/1994	WO1994014232A1 Converter
06/23/1994	WO1994014231A1 Control apparatus for limiting voltage on a core reset capacitor
06/23/1994	WO1994014230A1 Series resonant converter having a three part resonant inductor
06/23/1994	WO1994014229A1 Automatic load current back regulation
06/23/1994	WO1994014221A1 Electronic combinatorial circuit component for feeding an accumulator
06/23/1994	DE4319800C1 Quasi-resonant transducer network stage
06/23/1994	DE4310513C1 Overload protection circuit for network supply stage
06/23/1994	CA2151271A1 A converter circuit
06/22/1994	EP0603051A2 Chopper driving device
06/22/1994	EP0602950A1 Control apparatus for limiting voltage on a core reset capacitor
06/22/1994	EP0602892A2 Semiconductor valve
06/22/1994	EP0602835A1 Voltage control circuits
06/22/1994	EP0602834A1 Voltage control circuits
06/22/1994	EP0602495A1 Resonant-load power supply for arc welding
06/21/1994	US5323461 Telephone line interface circuit with voltage switching
06/16/1994	DE4242146A1 Driving a series-resonance circuit type inverter from a rectifier - involves using an inverter with four thyristors and diodes in antiparallel with series resonant circuit and thyristor controller
06/15/1994	EP0601858A1 High frequency power supply using a non-saturating magnetic amplifier controller
06/15/1994	EP0601593A2 Power supply device with current multiplication
06/15/1994	CN1025081C Solid state power controller
06/14/1994	US5321600 Delta connected three phase AC-DC converter with power factor correction circuits
06/14/1994	US5321597 Galvanic isolation device for direct current electrical signals or electrical signals likely to include a direct current component
06/14/1994	US5321348 Boost switching power conversion
06/14/1994	US5321299 Hybrid integrated circuit device
06/14/1994	US5321235 Half-bridge converter switching power supply for magnetron
06/14/1994	CA2009817C Dc-dc converter
06/11/1994	CA2110893A1 High frequency power supply using a non-saturating magnetic amplifier controller
06/09/1994	WO1994013063A1 Photoelectric switch
06/09/1994	WO1994013057A1 Power converter circuit
06/08/1994	EP0600679A2 Apparatus including a multiple channel pulse width modulated signal circuit
06/08/1994	EP0600522A2 Voltage converter with high-frequency link
06/08/1994	EP0599831A1 Process and device for adjusting mean values of a correcting variable derived from a switched input variable according to a continuous set correcting variable.
06/08/1994	CN1087762A AC-to-DC converter
06/08/1994	CN1024974C Power current
06/02/1994	CA2110330A1 Mailing machine including multiple channel pulse width modulated signal circuit
06/01/1994	EP0599554A2 Push push DC- DC converter with off-set tapped secondary winding
06/01/1994	EP0599000A1 Power supply
06/01/1994	EP0598985A2 Device for monitoring and surveying one power section controlled by an electronic circuit
06/01/1994	EP0598849A1 Low power switching power supply circuits and methods
06/01/1994	CN2167473Y Device for three-branch type network double voltage control
05/1994
05/31/1994	US5317499 Direct-current converter with current limiting
05/31/1994	US5317496 DC/DC-converter with a primary circuit and at least one secondary circuit tuned as individually oscillatory circuits
05/31/1994	US5317495 Stabilized high voltage power supply circuit
05/31/1994	US5317494 Power supply circuit utilizing voltage and current resonance for reducing switching loss
05/31/1994	US5317237 Low voltage ballast circuit for a high brightness discharge light source
05/26/1994	WO1994011943A1 Power supply voltage booster
05/26/1994	WO1994011799A1 Switching regulator and amplifier system
05/26/1994	DE4238913A1 Oscillation control in low voltage lighting circuit - initiating oscillation by pulse derived from time base, monitored according to criteria and also stoppable
05/25/1994	EP0598197A2 Blocking oscillator switched power supply with sinusoidal current consumption
05/25/1994	EP0462124B1 Process and arrangement for operating a switching control
05/25/1994	EP0413749B1 Dual mode flyback power supply
05/24/1994	US5315498 Apparatus providing leading leg current sensing for control of full bridge power supply
05/24/1994	US5315496 Current resonance converter having overload detecting function
05/24/1994	US5315215 High-voltage switching circuit
05/19/1994	DE4238198A1 Magnetron switch-mode power supply circuit, e.g. for microwave oven - controls rectifier so that only one magnetron is driven by mains power at any time
05/18/1994	EP0597426A2 AC-to-DC converter
05/17/1994	US5313384 High voltage generating circuits including a transformerless voltage multiplier
05/17/1994	US5313383 DC--DC converter
05/17/1994	US5313382 Reduced voltage/zero current transition boost power converter
05/17/1994	US5313381 Three-terminal switched mode power supply integrated circuit
05/17/1994	US5313149 Current supply control apparatus for inductance load
05/17/1994	US5313111 Substrate slew circuit providing reduced electron injection
05/17/1994	US5313109 Circuit for the fast turn off of a field effect transistor
05/17/1994	US5313107 Booster device
05/11/1994	EP0596228A1 Oscillatorless substrate bias generator
05/10/1994	US5311548 Digital control electronic having a pulse width modulated (PWM)-output signal for the control of electric control elements of a hydraulic system
05/10/1994	US5311419 Polyphase AC/DC converter
05/10/1994	US5311418 HVDC DC to DC converter with commutating transformer
05/10/1994	US5311084 Integrated circuit buffer with controlled rise/fall time
05/10/1994	US5310992 Arc welder
05/04/1994	EP0595415A2 Electronic ballast for a discharge lamp
05/04/1994	EP0595330A2 Charge pump circuit
05/04/1994	EP0595232A2 Controlling apparatus for high frequency high voltage power source
05/04/1994	EP0595091A2 Active three phase power conditioner
05/04/1994	EP0594908A1 Multiple-voltage control circuit of battery or multiple independent DC power
05/04/1994	CN2164145Y Single-end DC conversion power supply
05/04/1994	CN2164144Y Step-type multiple-voltage operating and controlling device for low heat-loss and sparkless battery unit
05/04/1994	CN1024440C Cutoff controlled DC converter
05/03/1994	US5309350 Push-pull inverter
05/03/1994	US5309348 Method and apparatus for preventing improper switching of a dual power supply
05/03/1994	US5309344 Dual active clamp, zero voltage switching power converter
05/03/1994	US5309343 Driver circuit having paralleled transistors and current-variable resistive elements
05/03/1994	US5309082 Hybrid linear-switching power supply
04/1994
04/28/1994	WO1994009560A1 Energy conversion system
04/28/1994	WO1994009558A1 Contactless power delivery system
04/28/1994	WO1994009557A1 Arrangement with a d.c.-d.c. converter for switching operation
04/28/1994	WO1994009556A1 Process for operating a voltage converter, voltage converter and its use
04/28/1994	WO1994009554A1 A boost-converter with low losses
04/28/1994	DE4328458A1 Switched-mode voltage supply giving stabilised DC voltages - suppresses inductive voltage and current peaks, load-dependent switching frequency fluctuations and rectifier diode current resonances
04/28/1994	DE4235853A1 Switched-mode power supply arrangement - includes transformer with transistor in primary circuit periodically conducting and blocked, with diode-resistor-capacitor control circuit
04/28/1994	CA2147258A1 Contactless power delivery system
04/28/1994	CA2147152A1 Device having a dc/dc voltage converter for switched-mode operation
04/28/1994	CA2147147A1 Method of operating a voltage converter, and a voltage converter and its application
04/28/1994	CA2126443A1 A boost-converter with low losses
04/27/1994	EP0594295A2 Drain power supplies
04/27/1994	EP0594294A2 Power supplies for flash EEPROM memory cells
04/27/1994	EP0594293A2 Negative power supplies for floating gate memories
04/27/1994	EP0594230A1 High efficiency n-channel charge pump
04/27/1994	EP0593518A1 Electronic power supply unit.
04/27/1994	EP0207096B2 Power supply with volt-seconds sensing

1 ... 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 ... 545