Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
04/1982
04/06/1982US4323960 Dual mode direct current power supply
04/06/1982US4323959 Power supply with resonant inverter circuit using variable frequency control for regulation
04/06/1982US4323958 Circuit for controlling the switching frequency of SCR regulators
04/06/1982US4323957 Voltage supression circuit for a voltage converter circuit
04/06/1982US4323840 Switching mode regulator
04/06/1982CA1121453A1 Dc-to-dc switching converter
03/1982
03/30/1982US4322817 Switching regulated pulse width modulated push-pull converter
03/30/1982US4322787 Closed loop low voltage up-converter
03/30/1982US4322786 Pulse burst regulated d.c. power supply apparatus and method
03/30/1982US4322772 Rapid transit system transient voltage suppression apparatus
03/30/1982US4322769 Electric switch operation monitoring circuitry
03/30/1982US4322724 Low voltage operated electric circuits
03/30/1982US4322675 Regulated MOS substrate bias voltage generator for a static random access memory
03/23/1982US4321661 Apparatus for charging a capacitor
03/23/1982US4321526 Ripple current stabilized control loop for switching regulator
03/23/1982US4321513 Television receiver high voltage protection circuit
03/23/1982US4321509 Dimmer
03/23/1982CA1120541A1 Power supply
03/09/1982US4319317 D.C. Power supply
03/09/1982US4319316 Controlled power supply apparatus
03/09/1982US4319315 D.C. to D.C. converter
03/03/1982EP0046515A2 Blocking oscillator switching power supply unit
03/02/1982US4318168 Over stress sense circuit for flyback power supply
03/02/1982US4318166 Optimum topology high voltage DC to DC converter
03/02/1982US4318164 High frequency switching circuit having preselected parameters to reduce power dissipation therein
03/02/1982US4318039 Switching power supply regulator utilizing linear regulator device
02/1982
02/24/1982EP0046207A1 Switched-mode power supply
02/17/1982EP0046013A1 Power source device for a bubble memory unit
02/17/1982EP0045882A2 Electronic control circuit
02/16/1982US4316242 Wide input range, transient-immune regulated flyback switching power supply
02/16/1982US4316136 Switching regulator control
02/16/1982EP0029067A4 A converter circuit for storing a predetermined quantity of energy.
02/16/1982CA1118492A1 Traction motor current control apparatus
02/09/1982US4315316 Digital arrangement for determining average current of a circuit by monitoring a voltage
02/09/1982US4315307 Switching device and switched-type power supply using the same
02/09/1982US4315304 Starting circuit for a high frequency magnetic amplifier power supply
02/09/1982US4315303 DC Converter
02/09/1982US4315207 Current controlled battery feed circuit
02/02/1982US4314327 Transistor drive control for a multiple input D.C. to D.C. converter
02/02/1982US4314325 Method and circuit for pulse-width control of a bilateral direct current control element
02/02/1982US4314323 Feeder for rapid shutdown for safety devices of nuclear reactors
01/1982
01/27/1982EP0044776A1 Free commutation chopper circuit
01/27/1982EP0044663A2 Improvements in or relating to d.c. converters
01/26/1982US4313155 High input voltage DC to DC power converter
01/26/1982US4313060 Uninterruptible power supply with load regulation of standby voltage source
01/19/1982US4312029 DC-to-DC Converter with reduced power loss during turn off
01/19/1982US4311954 Electric modulator apparatus with synchronized conductance control mode
01/13/1982EP0043761A1 Switching transistor control circuit in a static converter, and converter comprising it
01/12/1982US4310785 Electronic photographic flash apparatus
01/08/1982EP0027450A4 Write/restore/erase signal generator for volatile/non-volatile memory system.
01/05/1982US4309748 DC/DC Stabilized voltage converter unit
01/05/1982US4309650 Average current controlled switching regulator utilizing digital control techniques
12/1981
12/29/1981US4308576 Overload protection for a voltage conversion circuit
12/23/1981EP0042043A1 Flyback converter with feedback and feed forward
12/22/1981US4307441 Current balanced DC-to-DC converter
12/22/1981US4307440 Stabilized switching voltage regulator comprising means for preventing overloads due to initial surge currents
12/22/1981US4307334 Transformer for use in a static inverter
12/16/1981EP0041769A1 Transistor chopper circuits
12/15/1981US4306282 Pulse-controlled D-C converter with capacitive load
12/15/1981US4306281 DC-DC Converter for electronic flash unit
12/15/1981CA1114449A1 Dual voltage input d.c. power supply
12/15/1981CA1114448A1 Pulse width modulated dc to dc power supply
12/09/1981EP0041360A2 Resonant power inverter and method of operation thereof
12/08/1981CA1114025A1 Programmably variable voltage multiplier for implanted stimulator
12/02/1981EP0040786A1 Arrangement of a circuit for limiting and controlling the collector current of the final control transistor of a switching main supply
11/1981
11/26/1981WO1981003400A1 A four quadrant ac and dc to ac and dc converter with two or more independently controlled loads
11/24/1981US4302805 Power supply utilizing a high frequency magnetic amplifier
11/24/1981US4302804 DC Voltage multiplier using phase-sequenced CMOS switches
11/24/1981US4302803 Rectifier-converter power supply with multi-channel flyback inverter
11/24/1981US4302802 Flyback power supply regulator
11/24/1981US4302670 Electrogenic seed treater
11/17/1981US4301502 Isolated D.C. voltage regulating apparatus
11/17/1981US4301501 Capacitor ratio multiplier
11/17/1981US4301499 Inverter circuit with current equalization
11/17/1981US4301498 Voltage converter apparatus having output regulating means
11/17/1981US4301497 Flyback converter control with feed forward
11/17/1981US4301496 Use of an inductor within a full bridge d.c.-d.c. power converter
11/17/1981US4301398 Method and apparatus for controlling a resonant power module
11/17/1981CA1112721A1 Switching regulator
11/10/1981US4300191 Pulse width modulated current fed inverter power supply
11/10/1981US4300090 Direct current power supply
11/03/1981US4298926 Power converter
11/03/1981US4298924 Switching regulator circuit with phase shift subtraction
11/03/1981US4298892 Switching regulator with independent feedback path filter
10/1981
10/28/1981EP0038712A1 Single-ended switching converter
10/28/1981EP0038336A1 Voltage conversion method.
10/21/1981EP0038240A1 D.C. power supply and its use to feed a cathodic tube
10/21/1981EP0038200A1 Switching regulator type power supply circuit
10/20/1981US4296461 Battery package with DC to DC converter
10/13/1981US4295188 Converter circuit providing isolation and load sensing
10/13/1981US4295049 X-Ray diagnostic generator with an inverter supplying the high-tension transformer
10/06/1981US4293906 Converter
10/06/1981US4293903 High voltage rectifier for television receiver sets
10/06/1981US4293902 Transformerless fast current limiter with symetry correction for a switched-mode power supply
10/06/1981US4293812 Controlled d-c current supply system, with controlled current flow through a choke
09/1981
09/29/1981US4292592 Pulsed power supply system
09/29/1981US4292581 Linear switching regulator
09/29/1981US4292544 Power control circuit
09/22/1981US4291369 Voltage multiplier and driver circuit
09/22/1981US4291367 Power supply circuit with a self-oscillating blocking oscillator