Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
12/1995
12/12/1995US5475579 Pulse width modulator for switching power supply
12/12/1995US5475335 High voltage cascaded charge pump
12/12/1995US5475333 Built-in drive power-source semiconductor device
12/12/1995US5475296 Digitally controlled switchmode power supply
12/12/1995US5475202 Method and apparatus for heating a thermionic detector source
12/07/1995WO1995033300A1 Self-oscillating dc to dc converter
12/07/1995DE4419467A1 Modular power supply for electrical equipment
12/07/1995DE4419111A1 DC=DC converter
12/06/1995EP0685941A2 Bootstrap circuit
12/06/1995EP0685940A1 Pulse with modulated switching converter for operation of electric loads
12/06/1995EP0685922A1 Low-loss snubber for a power factor corrected boost or buck converter
12/06/1995EP0685921A1 Capacitive charge pump, Bicmos circuit for low supply voltage
12/06/1995EP0583328B1 Electronic control circuit for supplying ohmically inductive loads by means of d.c. pulses
12/06/1995CN1030488C DC voltage divider
12/05/1995US5473526 System and method for power-efficient charging and discharging of a capacitive load from a single source
11/1995
11/30/1995WO1995032544A1 Series-resonant converter
11/29/1995EP0684754A1 A power supply circuit, particularly for motor vehicles
11/29/1995EP0684688A1 Power generator with a transformer
11/29/1995EP0684687A1 Direct voltage converter
11/29/1995EP0684686A2 Boosting circuit and solid-state image-sensing device employing same
11/29/1995EP0683936A1 Control circuit for a switching dc-dc power converter including a controlled magnetic core flux resetting technique for output regulation
11/29/1995EP0683935A1 Low power dc-dc converter.
11/29/1995EP0683934A1 D.c. converter.
11/29/1995CN1112696A Pulse width modulated power supply
11/28/1995US5471378 AC to DC converter system with ripple feedback circuit
11/28/1995US5471376 Low-loss active voltage-clamp circuit for single-ended forward PWM converter
11/28/1995US5470343 Detachable power supply for supplying external power to a portable defibrillator
11/28/1995CA2041696C Switched mode power supply having a discharge circuit for an auxiliary power source
11/25/1995CA2149982A1 Inverter for electroluminescent lamp
11/23/1995DE4437459C1 Switched mode power supply (SMPS) with standby control
11/23/1995DE4416353A1 Arc welding appts. with a transformerless power supply unit
11/22/1995EP0683591A2 Actuating and dual scanning integrated circuit
11/22/1995CN1112250A Voltage regulator and method therefor
11/21/1995US5469349 Power supply circuit and control circuit for use in a power supply circuit
11/21/1995US5469334 Plastic quad-packaged switched-mode integrated circuit with integrated transformer windings and mouldings for transformer core pieces
11/21/1995US5469110 Charge pumping circuit using non-overlapping clock control
11/21/1995US5469046 Transformerless low voltage switching power supply
11/16/1995WO1995031033A1 Dc/dc converter comprising a high-insulation charge-transfer feedback network
11/15/1995EP0681758A1 Dc/dc converter for low output voltages
11/15/1995EP0681680A1 Laser gyro single transformer power supply
11/15/1995CN1111850A Power converter
11/15/1995CN1111771A Switching regulator
11/14/1995US5467010 Voltage regulator control circuit
11/09/1995WO1995030182A1 High-efficiency power supply
11/08/1995EP0681363A1 Voltage converter
11/08/1995EP0681362A1 Digital current mode PWM control
11/08/1995EP0680670A1 Power unit having self-oscillating series resonance converter
11/08/1995EP0621991B1 High voltage generator having output current control
11/08/1995EP0540661B1 Miniaturized switching power supply having unidirectional spike filter
11/07/1995US5465201 Overload protection of switch mode converters
11/07/1995US5465190 Circuit and method for protecting power components against forward overvoltages
11/07/1995US5465061 Low-consumption low-noise charge-pump circuit
11/07/1995CA2148046A1 Method and circuitry for controlling current reset characteristics of a magnetic amplifier control circuit
11/07/1995CA2148044A1 Method and circuitry for controlling start-up characteristics of a magnetic amplifier control circuit
11/02/1995EP0680245A2 Static converter with controlled switch and operating circuit
11/02/1995EP0680146A2 Power element driving circuit
11/02/1995EP0680135A1 Improved integrated magnetic buck converter
11/02/1995DE4414677A1 High voltage DC-DC converter
10/1995
10/31/1995US5463542 DC/DC converter and RS-232 interface circuit using the same
10/31/1995US5463306 Apparatus for detecting completion of energy transfer in an inductive DC to DC converter
10/31/1995US5463283 Drive circuit for electroluminescent lamp
10/31/1995US5463282 Electronic supply for igniting and operating a high/pressure discharge lamp
10/26/1995WO1995028819A1 Low height ballast for fluorescent lamps
10/26/1995DE4413383A1 Operating voltage generator for input-output unit of automation appts.
10/25/1995EP0678970A2 Semiconductor booster circuit
10/25/1995EP0678969A2 BiMOS semiconductor integrated circuit having boosted voltage line
10/25/1995EP0678868A1 Voltage multiplying circuit
10/25/1995EP0678867A2 Charge pump circuit
10/25/1995EP0678802A1 Circuit for voltage limiting with hysteresis comparator
10/25/1995EP0678801A1 Regulator circuit with Zener reference
10/25/1995EP0571372B1 Dc/dc-converter
10/24/1995US5461557 Voltage converting circuit and multiphase clock generating circuit used for driving the same
10/24/1995US5461555 Flyback converter having a high efficiency irrespective of magnitude of a load
10/24/1995US5461532 Electronic pulse transformer
10/24/1995US5461303 Power factor correction precompensation circuit
10/24/1995US5461302 Modulated snubber driver for active snubber network
10/24/1995US5461301 Dual slope soft start for pulse width modulator controllers used in power converters
10/24/1995US5461297 Series-parallel switchable capacitor charging system
10/24/1995US5461264 Multi-voltage control circuit of battery or multiple independent DC power
10/18/1995EP0677861A2 High-speed switching regulator drive circuit
10/17/1995US5459650 Power supply circuit
10/17/1995US5458217 Electrorheological fluid damping control system having high voltage power supply
10/17/1995CA2033104C Inverter device
10/17/1995CA2007458C Electric power supply equipment and method
10/12/1995WO1995027310A1 High voltage charge pump using low voltage type transistors
10/12/1995DE4412407A1 Schaltungsanordnung für den Betrieb mindestens eines batteriebetriebenen Elektromotors in einem Flurförderzeug Circuit arrangement for operating at least one battery-powered electric motor in a truck
10/12/1995DE4412049A1 DC=DC converter for printed circuit board layout
10/12/1995DE19505502A1 Voltage generator for semiconductor element
10/11/1995EP0676857A2 Accurate reference generation technique valid during system power-up transients
10/11/1995EP0676856A2 Efficient, well regulated, DC-DC power supply up-converter for CMOS integrated circuits
10/11/1995EP0676855A2 Supply-discriminating supply-adaptive electronic system
10/11/1995EP0676854A2 Efficient power conversion
10/11/1995EP0555432B1 Electronic device for converting electrical energy
10/11/1995CN1030020C Internal voltage transducer of semiconductor integrated circuit
10/10/1995US5457624 Efficient switched mode power converter circuit and method
10/10/1995US5457622 AC-DC converter
10/10/1995US5457621 Switching power supply having voltage blocking clamp
10/10/1995US5457620 Current estimating circuit for switch mode power supply
10/10/1995US5457434 Integrated circuit oscillator with high voltage feedback network
10/10/1995US5457421 Voltage stepdown circuit including a voltage divider