Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
09/1980
09/17/1980EP0015641A2 Power factor improving apparatus for power converter
09/17/1980EP0015578A1 Vapour cooled semiconductor device
09/17/1980EP0015547A1 Assembly of power semiconductors cooled by a cooling fluid
09/17/1980EP0015488A1 Thyristor stack
09/16/1980US4223195 Pulse transformer
09/16/1980CA1085916A1 Controlled reactance regulator circuit
09/09/1980US4222099 Power supply
09/09/1980US4222098 Base drive for paralleled inverter systems
09/09/1980US4222097 Control of high-voltage D.C. transmission systems
09/09/1980US4222096 D-C Power supply circuit with high power factor
09/02/1980US4220989 Polyphase variable frequency inverter with output voltage control
09/02/1980US4220988 Controller for waveform synthesizer
09/02/1980US4220911 Thyristor tap changer for electrical inductive apparatus
08/1980
08/26/1980US4219872 Power supply
08/26/1980CA1084593A1 Central oscillator for induction range using triac burner controls
08/26/1980CA1084582A1 Adjustable speed a-c motor drive with smooth transition between operational modes and with reduced harmonic distortion
08/20/1980EP0014415A2 Process for regulating parallel connected dc/ac converters and circuits for the application of said process
08/19/1980US4218731 Inverter comprising at least two controllable load thyristors
08/19/1980US4218729 Polyphase rectifying bridge with commutation fault protection
08/19/1980US4218728 Polyphase hybrid rectifying bridge with commutation fault protection
08/19/1980US4218694 Rectifying apparatus including six semiconductor diodes sandwiched between ceramic wafers
08/19/1980US4218646 AC Feeding apparatus and rotating field apparatus having AC feeding apparatus
08/12/1980CA1083668A1 Compensated base drive circuit to regulate saturated transistor current gain
08/06/1980EP0013866A1 Power supply for feeding ohmic-inductive loads
08/05/1980US4216385 AC/DC Power supply device
07/1980
07/29/1980US4215394 Control logic for an inverter ripple controlled power system
07/29/1980CA1082776A1 Apparatus for monitoring an a-c variable
07/29/1980CA1082765A1 Plural multiphase motor drive circuit
07/23/1980EP0013615A1 Apparatus for controlling a.c. motor
07/22/1980CA1082307A1 Frequency coverter
07/15/1980US4213173 Polarity-and-load independent circuit arrangement for converting electrical energy
07/15/1980US4213049 X-Ray diagnostic generator comprising an inverter feeding the high voltage transformer
07/15/1980CA1081775A1 D.c. voltage regulated inverter
07/15/1980CA1081774A1 Bipolar inverter with induction generator
07/09/1980EP0013273A1 Auxiliary commutation circuit for an inverter
07/09/1980EP0013102A1 Power supply providing constant power output
07/08/1980US4212056 Inverter apparatus
07/08/1980US4212055 Control for an inverter station
07/08/1980US4212054 DC Power source
07/08/1980US4211988 Search tuning system for television receiver
07/01/1980US4210858 High frequency high voltage power supply
07/01/1980US4210827 Control circuit for generating a step-type control signal and a continuously varying control signal whose amplitude characteristic repeats at the step transition
07/01/1980CA1080805A1 Circuit for detecting a malfunction in a self-commutating inverter
06/1980
06/25/1980EP0012742A1 Multiple-bridge, three-phase converter arrangement including voltage harmonics cancellation
06/25/1980EP0012648A1 Single-pole commutation circuit
06/24/1980US4209738 Regulation circuit
06/24/1980US4209711 Transistor power circuit with preventive diode bridge
06/17/1980US4208711 Inverter with naturally commutated mixer
06/17/1980US4208710 Voltage regulating device for power generating system
06/17/1980US4208709 Rectifiers
06/10/1980US4207603 Surge protection of full-wave rectifier by biased ionization tube
06/10/1980CA1079379A1 Electronic arrangement for generating two alternating voltages whose phases are shiftable relative to each other
06/10/1980CA1079363A1 High frequency voltage source for induction heating apparatus
06/10/1980CA1079344A1 Tuned oscillator ballast circuit
06/03/1980US4206367 Energy saving device
06/03/1980CA1078921A1 Inverter control system
05/1980
05/27/1980US4205368 Method for the transmission of DC current between at least one rectifier station and several inverter stations
05/27/1980CA1078464A1 Powering scheme for josephson logic circuits which eliminates disturb signals
05/20/1980US4204268 Auxiliary commutation circuit for an inverter
05/20/1980US4204266 Inverter drive circuit
05/20/1980US4204265 Static converter suitable for high input voltage applications
05/20/1980US4204264 Harmonic cancellation for multi-bridge, three-phase converters
05/20/1980US4204263 Flyback transformer
05/20/1980US4204148 Regulation circuit
05/14/1980EP0010980A1 Overcurrent protection circuitry for an electric motor driving circuit
05/14/1980EP0010979A1 AC electric motor driving circuit having overload protection circuitry
05/14/1980EP0010900A1 A static inverter with a relatively low-frequency output voltage, and a method for generating this voltage
05/13/1980US4203151 High-voltage converter circuit
05/06/1980US4202031 Static inverter employing an assymetrically energized inductor
05/06/1980US4201957 Power inverter having parallel switching elements
04/1980
04/29/1980US4200909 High voltage power supply for electrostatic air cleaner
04/29/1980CA1076653A1 Multiple-load induction heating cooking apparatus with means for eliminating interference between two or more commutation circuits
04/22/1980US4199807 Regulated power supply apparatus
04/22/1980US4199805 Multiphase capacitor diode voltage multiplier
04/22/1980US4199804 Method and apparatus for controlling the alternating voltage of a static convertor
04/17/1980WO1980000767A1 Circuit comprising a current divider for inverters working in parallel
04/16/1980EP0009783A1 A system for driving a motor by a pulse width modulation inverter
04/08/1980US4197575 Conduction through sensing and inverter protection system
04/08/1980US4197508 Period-to-voltage converting device
04/08/1980CA1075370A1 Gas-insulated thyristor arrangement
04/03/1980WO1980000636A1 High-voltage transformer-rectifier
04/01/1980US4196469 DC-AC Converter including synchronized switching
04/01/1980US4196468 Series-type independent inverter
04/01/1980US4196465 Electrostatic power coating gun
04/01/1980CA1074865A1 Transistor switching circuit with feedback inductor
03/1980
03/25/1980US4195233 Inverter starting system
03/19/1980EP0009034A1 Two-stage commutation circuit for an inverter
03/18/1980US4194240 Precision envelope detector and linear rectifier circuitry
03/18/1980US4194239 Electrical invertor apparatus
03/18/1980CA1073970A1 Inverter for providing an output low in harmonics
03/11/1980US4193111 Unity power factor converter
03/11/1980CA1073530A1 Static convertor plant
03/11/1980CA1073529A1 Current fed inverter with commutation independent of load inductance
03/04/1980US4191994 Inverter comprising at least two controllable load thyristors
03/04/1980US4191993 Inverter comprising at least two controllable load thyristors
03/04/1980US4191992 Method of and apparatus for enabling soft-failure of modular power converter systems, including RF generator systems, embodying switching components in the power conversion
03/04/1980US4191902 Rotary electric machines
03/04/1980CA1073048A1 Polyphase inverter
03/04/1980CA1073047A1 Geophysical energy source utilization circuit
03/04/1980CA1073046A1 High current-rectifier arrangement
1 ... 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462