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)
11/1981
11/10/1981US4300090 Direct current power supply
11/03/1981US4298926 Power converter
11/03/1981US4298925 Transistorized invertor
11/03/1981US4298924 Switching regulator circuit with phase shift subtraction
11/03/1981US4298810 Semiconductor device conduction state detection circuit
11/03/1981CA1111967A1 Energizing circuit for magnetron using dual transformer secondaries
10/1981
10/29/1981WO1981003093A1 High-voltage rectifier
10/28/1981EP0038624A1 Improvements in or relating to transistor inverter arrangements
10/13/1981US4295189 Apparatus and method for generating waveforms which are particularly suitable for a PWM-driven motor
10/13/1981US4295049 X-Ray diagnostic generator with an inverter supplying the high-tension transformer
10/13/1981CA1110721A1 Static circuit arrangement for production of 3-phase current of variable frequency and output power
10/13/1981CA1110695A1 Rectifiers having compensating transformer unit
10/06/1981US4293904 Power frequency converter
10/06/1981US4293903 High voltage rectifier for television receiver sets
09/1981
09/29/1981US4292665 Output stage for switching regulated power supply
09/22/1981US4291368 Pulse-width modulated inverter system and method
09/22/1981US4291265 Protective system for inverter circuit used in driving AC motors
09/22/1981US4291254 Discharge lamp energization circuit, particularly for audio and supersonic frequency operation of high-pressure discharge lamps
09/22/1981CA1109519A2 High voltage dc power supply
09/15/1981US4290108 Control unit for a converter
09/15/1981CA1109172A1 Supply circuit for a subscriber's line circuit
09/09/1981EP0035150A2 Process and arrangement to produce a three-phase alternating current by inversion
09/08/1981US4288729 Control system for D.C. electric motor
09/08/1981US4288724 Impulse generator for use with phosphor energizable lamps
09/08/1981US4287916 Semispherical shape valve device in bladder type accumulators
09/08/1981CA1108693A1 Self-contained pulse width modulation inverter
09/02/1981EP0034808A2 Circuit arrangement for the compensation of a phase difference
09/01/1981US4287557 Inverter with improved regulation
09/01/1981US4287556 Capacitive current limiting inverter
09/01/1981CA1108249A1 Control circuit for generating a step-type control signal and a continuously varying control signal whose amplitude characteristic repeats at the step transition
08/1981
08/25/1981US4286317 Forced commutation power converter arrangement in reverse voltage free circuit configuration
08/25/1981US4286316 High voltage sine wave power supply
08/25/1981US4286315 Converter apparatus
08/25/1981US4286222 Timing waveform generator
08/25/1981US4286194 Generator for use with loads having changing impedance characteristics
08/19/1981EP0034102A2 Integrated voltage multiplier
08/19/1981EP0033842A2 Method for mains feedback of a line commutated direct converter and control circuit therefor
08/19/1981EP0033786A1 High-current inverter
08/11/1981US4283667 Motor field exciter
08/04/1981US4282570 Method and apparatus for controlling an output current of a controlled rectifier
08/04/1981US4282568 Electric power converting apparatus
08/04/1981CA1106444A1 Reactive power control apparatus
07/1981
07/28/1981US4281378 Frequency inverter
07/28/1981US4281376 Protected converter arrangement
07/28/1981US4281374 Electrical circuit for producing controlled high voltage AC output
07/28/1981US4281373 High frequency voltage generator
07/28/1981CA1105994A1 Series-type independent inverter
07/22/1981EP0032335A1 High-power electrical signals generator
07/21/1981US4280175 Alternating to direct voltage converter
07/14/1981US4279011 Simple, high-efficiency inverter circuits
07/09/1981WO1981001920A1 Energy recovery device for thyratron inverter
07/08/1981EP0031780A1 Device for energy recovery from an inverter
07/08/1981EP0031612A1 A commutating device for driving a load
07/07/1981US4277825 Converter apparatus
07/07/1981US4277728 Power supply for a high intensity discharge or fluorescent lamp
07/07/1981US4277692 Continuous power source with bi-directional converter
07/07/1981CA1104649A1 Controllable rectifier circuit for a power supply
07/07/1981CA1104648A1 Power converter control
07/07/1981CA1104647A1 Inverter with coupling transformers
07/07/1981CA1104646A1 Apparatus for matching the control arrangement for the direct voltage of an inverter station to the control path
07/01/1981EP0031118A2 Method of starting the clock pulses of a power converter with phase-sequence quenching
06/1981
06/30/1981US4276592 A-C Rectifier circuit for powering monolithic integrated circuits
06/30/1981US4276589 Twelve-step current source inverter
06/30/1981US4276484 Method and apparatus for controlling current in inductive loads such as large diameter coils
06/30/1981CA1104219A1 Full-wave rectifier circuit
06/25/1981WO1981001777A1 Direct current motor without collector
06/25/1981WO1981001762A1 Quadrature stage frequency converter
06/23/1981US4275438 Induction heating inverter
06/23/1981US4275281 Apparatus for heating an electrically conductive cooking utensil by magnetic induction
06/23/1981CA1103748A1 High power factor conversion circuitry
06/17/1981EP0030486A1 Current rectifier assembly
06/16/1981US4274137 Inverter circuits
06/16/1981US4274033 High-frequency lamp operating circuit
06/09/1981US4272807 Regenerative DC power supply
06/09/1981CA1102873A1 Regulation circuit
05/1981
05/27/1981EP0029067A1 A converter circuit for storing a predetermined quantity of energy.
05/26/1981US4270166 Circuit arrangement for producing a regulated high DC voltage from a three-phase current
05/26/1981US4270164 Short circuit protection for switching type power processors
05/26/1981US4270163 Bridge converter circuit
05/26/1981CA1101932A1 Method and apparatus for controlling the real and reactive power behavior of a high voltage d. c. transmission (hdt) system
05/20/1981EP0028890A1 Improved digital gate pulse generator for static power converters
05/20/1981EP0028889A1 A transformer-rectifier system
05/19/1981US4268899 Bridge-doubler rectifier
05/19/1981CA1101562A1 Image tube power supply
05/13/1981EP0028550A1 Inverter, and static generator of signals comprising such an inverter
05/13/1981EP0028454A1 Full wave rectifier
05/12/1981US4267570 Control unit for multi-phase static converter
05/12/1981CA1101055A1 Hvdc floating current order system
05/06/1981EP0027878A1 Rectifying installation having a six or twelve puls balance coil circuit
05/05/1981US4266262 Voltage controlled power supply for electrostatic coating apparatus
04/1981
04/28/1981US4264971 Converter devices
04/28/1981US4264952 Inverter apparatus
04/21/1981US4263517 Control method and system for an high voltage direct current system
04/21/1981CA1099781A1 High voltage dc power supply
04/14/1981US4262320 H-switch configuration for controlling latching solenoids
04/14/1981CA1099416A1 Device comprising a high voltage electron
04/14/1981CA1099339A1 Conduction through sensing and inverter protection system
04/14/1981CA1099338A1 Cooling capsule for thyristors
04/08/1981EP0026356A1 Circuit arrangement, especially for multiple-pole fault current protection switches
04/08/1981EP0026355A1 Circuit arrangement for multiple-pole fault-current protection switches
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