Power Supplies, Power Electronics patents, 1981-1984

Patent List 1981-1984, Power Supplies / Power Electronics related

Brought to you by SMPS Power Supplies

1984 - USA
Number	Title	Inventor	Assignee	Comments
4,432,032	Auxiliary voltage snubber circuit	Baker et al.	Exxon
4,437,146	Boost power supply having power factor correction circuit	Carpenter
4,438,486	Low loss snubber for power converters	Ferraro
4,441,146	Optimal resetting of the transformer's core in single ended forward converters	Vinciarelli
4,442,480	Protective circuit for thyristor controlled systems and tyristor converter …	Downhower
4,443,840	DC/DC Converter	Geissler et al.	Licentia Patent …
4,443,841	Neutral-point-clamped PWM inverter	Mikami
4,446,513	DC/AC Bridge inverter including a switching aid and inductive energy recovery …	Clenet
4,447,868	Regenerative rectifier circuit	Turnbull
4,451,876	Switching regulator	Ogata
4,454,573	Current regulator circuit	Petsch
4,455,538	Subassembly, in particular a choke and a filter for radio interference control	Kinzler
4,456,872	Current controlled two-state modulation	Froeschle
4,458,112	Floating subscriber loop interface circuit	Svala
4,459,539	Charge transfer constant volt-second regulator	Cordy
4,460,949	High frequency parallel resonant dc-dc converter	Steigerwald
4,460,950	Controlled bridge rectifier	Finney
4,461,966	Circuit for controlling at least one power-FET	Hebenstreit	Siemens
4,462,069	d.c. To d.c. voltage regulator having an input protection circuit, a d.c. to d.c. …	Becky	American …
4,464,709	Current and voltage protection for a power supply circuit	Barter
4,467,289	Current mirror circuit	Okada
4,467,407	Multi-level inverter	Asano
4,472,693	Noise filter and terminal structure therefor.	Uemura et al
4,477,868	High frequency series resonant dc-dc converter	Steigerwald
4,489,369	Control circuit for a flyback stepcharger	Ginsberg
4,489,373	Non-dissipative LC snubber circuit	du Parc	SNIA

1983 - USA
Number	Title	Inventor	Assignee	Comments
4,370,701	Energy conserving drive circuit for switched mode converter utilizing current …	Western	Rockwell
4,371,792	High gain composite transistor	Dobkin
4,371,827	Battery charger with indicator for indicating full charge of secondary cells or …	Mullergman
4,376,914	Motor control device	Kimura
4,377,835	Recovery protection device for a thyristor valve	Asplund
4,380,044	D.C. to d.c. converter with plural feedback loops	Parr
4,381,478	Control system for a linear synchronous motor	Saijo
4,383,292	Single-ended switching converter	Onodera et al.	Tokyo Shibaura
4,384,321	Unity power factor switching regulator	Rippel	Caltech
4,386,308	Hysteresis type battery charger having output short circuit protection	Emile, Jr.
4,386,394	Single phase and three phase AC to DC converters	Kocher
4,388,583	Battery charger with transducer for controlling charge rate	Krueger
4,388,584	Battery monitoring and charger control system	Dahl et al.
4,389,608	Transformerless battery controlled battery charger	Dahl et al.
4,389,638	I.C. Alarm signal generator	Gontowski, Jr.
4,392,103	Current sensing regulator	O'Sullivan
4,392,172	Reactive snubber for inductive load clamp	Foley
4,396,881	Means indicating a condition of charge in a battery charger	Cook et al.
4,399,376	High frequency switching circuit	Onodera
4,399,395	Line-to-line voltage reconstruction for synchronizing	Espelage
4,399,499	Bi-lateral four quadrant power converter	Butcher et al.
4,400,660	Wide bandwidth high voltage regulator and modulator	Schaefer
4,403,269	Non-dissipative snubber circuit apparatus	Carroll
4,405,964	Over voltage circuit for a switching regulator power supply	Woods
4,408,171	Noise filter with socket attached thereto	Akino et al.
4,408,267	DC-to-DC Switching converters	Pruitt	RCA
4,409,641	Environmentally protected electronic network structure and housing combination	Jakob et al.
4,412,277	AC-DC Converter having an improved power factor	Mitchell
4,413,224	Micropower system	Krupka et al.
4,413,313	Electrical inverters	Robinson
4,414,479	Low dissipation snubber for switching power supply	Foley
4,415,959	Forward converter switching at zero current	Vinciarelli
4,417,153	High frequency switching circuit	Onodera et al.	Tokyo Shibaura
4,417,197	Electronic system for simultaneous control for two or more pulse modulators	Schwarz
4,418,323	Oscillator having capacitor charged and discharged by current mirror circuits	Tokumo et al.
4,423,476	d.c. Blocking oscillator charging device for electric vehicles	Neumann	Deutsche …

1982 - USA
Number	Title	Inventor	Assignee	Comments
4,310,866	Shootthrough fault protection system for bipolar transistors in a voltage source …	Wirth	Borg-Warner
4,318,165	Resonant-flyback power supply with filament winding for magnetron and the …	Kornrumpf et al.
4,318,167	Electrical inverter with controllable output voltage	Ngquist
4,319,177	Operation control apparatus for AC motors	Kawada
4,320,305	Method and voltage source for producing a smoothed	Thomas
4,320,307	Arrangement for interference suppression of electromagnetic circuis	Schierjott
4,320,333	Battery charger and surveillance system	Hase
4,323,845	Power regulating apparatus including load current sesor means	Leach
4,323,962	High efficiency rectifier with multiple outputs	Steigerwald
4,326,244	Flyback power supply booster circuit	Josephson
4,328,454	Apparatus for controlling ac motor	Okuyama
4,333,134	Converters	Gurwicz
4,334,254	Gated snubber circuit	Baker
4,334,264	High voltage direct current transmission apparatus	Knudsen
4,336,507	Current output relaxation oscillator	Bynum et al.
4,336,587	High efficiency turn-off loss reduction network	Boettcher, Jr.
4,342,013	Bidirectional power line filter	Kallman
4,346,434	Apparatus for controlling an electric motor	Morinaga
4,347,562	Digital power converter trigger	Galloway
4,353,023	Operation control apparatus for AC motors	Kawada
4,355,275	Battery charger with current pulse regulation	Anglin
4,355,352	DC to DC Converter	Bloom
4,358,654	Static power switching system for induction heating	Estes
4,362,347	Modular connector and protector	Berglund
4,363,005	Power conserving blocking oscillator power supply circuit	Kuroda
4,364,109	Control device of inverters	Okado
4,365,171	Low loss snubber circuit	Archer
4,366,430	Battery booster cable assembly	Wright
4,366,522	Self-snubbing bipolar/field effect (biofet) switching circuits and methods	Baker
4,366,532	AC/DC or DC/AC Converter system with improved AC-line harmonic reduction	Rosa et al.	Westinghouse

1981 - USA
Number	Title	Inventor	Assignee	Comments
4,244,015	Pulse width modulated inverter	Beebe	Litton
4,245,286	Buck/boost regulator	Paulkovich et al.
4,245,290	Sliding notch pulse width modulation (PWM)	Lipman
4,246,634	Start-up circuit for switch mode power supply	Purol
4,250,544	Combination microprocessor and discrete element control system for a clock …	Alley
4,253,136	Switching regulated power supply apparatus	Nanko
4,257,087	DC-to-DC switching converter with zero input and output current ripple …	Cuk
4,264,850	Position encoder interface for a servo control system	Cannon et al.
4,268,898	Semiconductor switching circuit with clamping and enegy recovery features	Brown
4,272,814	Apparatus for compensation of commutation dips in ...	Nakrokhin et al.
4,274,133	DC-to-DC Converter having reduced ripple without need for adjustments	Cuk
4,276,588	Push-pull converter with energy saving circuit for protecting switching transistors …	McLyman et al.
4,277,191	Printer system having microprocessor control	Davis et al.
4,281,378	Frequency inverter	Ogino
4,287,461	Motor driving system	Promis et al.
4,301,497	Flyback converter control with feed forward	Johari
4,302,714	Rechargeable battery charger system for charging testing, rejuvenation and …	Vefsky
4,302,717	Power supply with increased dynamic range	Olla	Fairchild Camera

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First Revision: 8 Oct 1979
Web first published: 26 Jan 2003
Last Revision: 4 Feb 2003

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