Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
---|
07/11/1979 | EP0002975A1 DC-voltage regulating device |
07/10/1979 | US4161023 Up-and-down chopper circuit |
07/10/1979 | US4161010 Commutation sensor circuit for a DC-to-DC silicon controlled rectifier (SCR) chopper circuit |
07/10/1979 | US4160996 Switchable high voltage generator for penetration-type color CRT |
07/10/1979 | US4160945 High efficiency switching regulator |
07/10/1979 | US4160921 Thyristor control |
07/10/1979 | US4160920 Bistable element and a switch circuit comprising such a bistable element |
07/03/1979 | US4160288 Active filter circuit for regulated dc to dc power supplies |
07/03/1979 | US4160172 Circuit for controlling demands of high current load |
06/26/1979 | US4159512 DC to DC converter circuit |
06/26/1979 | US4159428 Method of dividing direct current among parallel circuits and device for effecting same |
06/19/1979 | US4158881 DC to DC converter |
05/29/1979 | US4156898 DC Convertor |
05/29/1979 | US4156895 Transistor flow through converter |
05/22/1979 | US4156273 Protection of a switching regulator |
05/15/1979 | US4155112 Power supply circuitry |
04/24/1979 | US4151558 Power supply discharge circuit for TV receiver |
04/24/1979 | US4151387 Metal base cookware induction heating apparatus having improved power control circuit for insuring safe operation |
04/24/1979 | CA1053326A1 Constant frequency chopper feeding low current to an inductive load_ |
04/17/1979 | US4150426 Transistorized power supply drive circuit arrangement |
04/17/1979 | US4150424 Dynamic current balancing for power converters |
04/17/1979 | US4150423 Transformer coupled pass element |
04/17/1979 | US4150306 Blocking converter for flash equipment |
04/03/1979 | US4148097 DC to DC converter utilizing current control for voltage regulation |
03/27/1979 | US4146832 Constant current series-switching regulator |
03/27/1979 | US4145872 Electronic watch |
03/20/1979 | US4145650 Method and apparatus for operating an internally timed switching regulator |
03/20/1979 | CA1051089A1 Inverter control circuit |
03/13/1979 | US4144463 Stabilized DC power supply devices for providing a plurality of DC power outputs which are selectively consumed |
03/13/1979 | CA1050608A1 Portable corona power supply circuit |
03/07/1979 | EP0000983A1 Programmably variable voltage multiplier for implantable stimulator |
02/27/1979 | US4142231 High current low voltage liquid cooled switching regulator DC power supply |
02/20/1979 | US4141064 Booster circuit |
02/20/1979 | US4140962 High voltage regulator using light dependent resistor |
02/20/1979 | CA1049092A1 Converter-regulator circuit arrangement |
02/13/1979 | CA1048666A1 High voltage generator arrangement |
02/13/1979 | CA1048637A1 Deflection system |
02/06/1979 | US4138715 Resonant switching converter |
02/06/1979 | US4138635 Alternating current generator using light dependent resistor |
01/23/1979 | CA1047107A1 Converter circuit |
01/23/1979 | CA1046817A1 Process and apparatus for the manufacture of filled, closed containers |
01/16/1979 | US4135236 DC-to-DC chopper circuit |
01/16/1979 | US4135234 Saturable reactor switch control for switching regulator power supplies |
01/16/1979 | US4135233 Voltage control circuit for a DC-to-DC convertor |
01/09/1979 | US4134057 Device for enabling an accumulator to be recharged from a source of electrical energy |
01/09/1979 | CA1046139A1 D.c. power supply circuit |
01/02/1979 | US4132933 Electromechanical chopper for speed control of battery powered devices |
01/02/1979 | CA1045682A1 Power regulator responsive to duty cycle |
12/26/1978 | US4131843 High tension voltage source |
12/19/1978 | US4130862 DC Power supply |
12/19/1978 | US4130780 Electronic photoflash |
12/12/1978 | US4129805 Impulse generator for use with phosphor energizable lamps |
12/12/1978 | US4129788 High efficiency DC to DC converter |
12/12/1978 | CA1044318A1 Dc convertor |
12/05/1978 | US4128868 D-C converter using pulsed resonant circuit |
12/05/1978 | US4128867 Power supply regulation using switching transistors |
12/05/1978 | US4128866 Power supply with current foldback |
12/05/1978 | US4128771 Digitally controlled power system |
12/05/1978 | CA1043904A1 Horizontal deflection circuits which include a switched mode power supply |
11/28/1978 | US4127895 Charge-transfer voltage converter |
11/28/1978 | US4127894 Converter protection circuit operative to limit and counteract transformer saturation |
11/28/1978 | US4127886 Over-current protection circuit for voltage regulator |
11/28/1978 | US4127885 Over-current protection circuit for voltage regulator |
11/28/1978 | US4127797 Inverter oscillator with current feedback |
11/28/1978 | CA1043430A1 Multi-purpose thyristor commutation circuit |
11/21/1978 | US4126891 Switching regulator with feedback system for regulating output current |
11/21/1978 | US4126889 Protective circuit for d.c. circuit |
11/21/1978 | CA1042977A1 Voltage monitoring controlling and protecting apparatus employing programmable unijunction transistor |
11/14/1978 | US4125814 High-power switching amplifier |
11/14/1978 | US4125444 Electrochemical polishing method |
11/14/1978 | CA1042520A1 Fet load gate compensator |
11/14/1978 | CA1042507A1 Pulse control system power circuit |
11/14/1978 | CA1042504A1 Voltage converter |
11/07/1978 | US4124884 DC to DC converter with regulated input impedance |
11/07/1978 | US4124806 Electronic device for the production of signals of an amplitude greater than the amplitude of a given periodic signal |
10/31/1978 | US4123692 Adjustable speed electric motor drive having constant harmonic content |
10/31/1978 | US4123670 Transistor switching circuit |
10/31/1978 | CA1041602A1 Starting circuit for inverter |
10/24/1978 | US4122514 Direct current power supply |
10/24/1978 | US4122513 Power control device |
10/17/1978 | US4121282 Power supply circuit |
10/17/1978 | US4121281 Direct current converter |
10/17/1978 | US4121115 D. C. Power packs, inter alia of the disposable king, for providing a predetermined rated voltage |
10/17/1978 | US4120306 Cardiac pacer with pre-programmed power source interface means |
10/10/1978 | US4120017 Detachable power supply for induction type electrostatic spray gun |
10/10/1978 | US4120016 Detachable cylindrical power supply for induction type electrostatic spray gun |
10/10/1978 | US4119906 Constant high voltage generating circuit |
10/10/1978 | US4119835 Electronic thermostat |
09/26/1978 | CA1039354A1 Switching voltage regulator with low rfi noise |
09/19/1978 | US4115707 Circuit for single-line control of GTO controlled rectifier conduction |
09/19/1978 | CA1038928A1 Converter circuit and method having fast responding current balance and limiting |
09/05/1978 | CA1038031A1 Protection circuit for magnetically controlled d-c to d-c converter |
08/29/1978 | US4110668 Thyristor pulse controller for plural loads |
08/22/1978 | US4109210 Method of generating a variable train of pulses |
08/22/1978 | US4109194 Digital feedback control utilizing accumulated reference count to regulate voltage output of switching regulator |
08/15/1978 | US4107772 Chopper control device |
08/15/1978 | US4107596 Efficient bidirectional power converter for portable data gathering apparatus |
08/15/1978 | CA1036667A1 Stable power supply |
08/08/1978 | US4106086 Voltage multiplier circuit |
08/08/1978 | US4106084 Means for controlling the electric current density of a high tension direct current source |