Power Supplies Patents 1981-1984 Brought to you by SMPS Power Supplies


1984 - USA power supply related patents

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 power supply related patents

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 power supply related patents

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 power supply related patents

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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