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)
10/1985
10/22/1985US4549257 Voltage doubler circuit
10/22/1985US4549256 Inverter arcing control for a parallel-resonant circuit static frequency changer
10/15/1985US4547843 Multiple output DC power supply
10/15/1985US4546651 Transducer coupling
10/10/1985CN85200076U Combined supervolage elctrostatic generator
10/09/1985EP0157220A1 Improvements in or relating to electronic control circuits
10/09/1985EP0157202A1 Digital PWMed pulse generator
10/09/1985EP0156846A1 Minimization of harmonic contents for mains operated solid state inverters driving gas discharge lamps
10/09/1985EP0156830A1 Method and apparatus for reducing the number of switching transitions in a transistorized bridge inverter
10/08/1985US4546423 Multiple inverters with overcurrent and shoot-through protection
10/08/1985US4546422 Control system for a voltage-type inverter
10/08/1985CA1194931A1 Power converter apparatus
10/02/1985EP0156396A2 Power converter control apparatus and power converter control method
10/02/1985EP0156283A1 Method and device for controlling a brushless alternating current motor
10/02/1985EP0156282A1 Method and device for controlling a brushless alternating current motor
10/01/1985US4545005 High-voltage supply for an X-ray generator
10/01/1985US4545002 Thyristor voltage limiter for current source inverter
10/01/1985US4544978 Circuit for the arcless de-energization of a direct current load
10/01/1985CA1194546A1 Current-type inverter
09/1985
09/26/1985WO1985004293A1 Control circuit that operates on pulse-width modulated signals
09/25/1985EP0155369A1 Flux centering and power control for high frequency switching power supplies
09/25/1985EP0155303A1 Inverter circuit with a control circuit for leading transistors more effectively into a turned-off state.
09/25/1985EP0155300A1 Current regulator for carpet seaming apparatus.
09/24/1985US4543492 Method and system for terminating operation of an HVDC invertor
09/18/1985EP0154694A1 Phase angle regulator for a transformer circuit
09/17/1985US4542451 Inverter with bidirectional inverter for regenerative current
09/17/1985CA1193735A1 Switchable analogue signal inverter
09/11/1985EP0154062A1 Power switching circuit
09/10/1985US4540945 Variable-frequency oscillation circuit
09/10/1985US4540889 Method and apparatus for improving the dielectric strength of direct current cable insulation
09/04/1985EP0153751A2 Power converter for AC load
09/03/1985US4539618 Digitally controlled overload relay
08/1985
08/29/1985WO1985003835A1 High frequency oscillating circuit for effecting a gas discharge and utilization thereof
08/28/1985EP0152818A2 Semiconductor power module
08/28/1985EP0152796A1 Control circuit for power converter apparatus
08/28/1985EP0152595A1 Control apparatus for D.C. power transmission system
08/28/1985EP0152458A1 Inverter for uninterruptible power supply
08/28/1985EP0152421A1 Electrical power supply apparatus
08/27/1985CA1192684A1 Ac elevator control apparatus
08/27/1985CA1192607A1 Electric power converter circuit
08/20/1985US4536692 Circuit for energizing and controlling a synchronous rotary machine operating at variable speed
08/20/1985CA1192258A1 Variable single phase inverter
08/14/1985EP0151418A1 Pulse width modulation inverter system
08/14/1985EP0151345A2 Power converter apparatus and method employing plural branches
08/14/1985EP0151271A1 HVDC-current coupling station
08/13/1985US4535378 Overcurrent detector for an inverter
08/13/1985US4535280 Stabilizing circuit for an inverse rectifier motor control
08/13/1985US4535203 Bridge rectifier circuit
08/13/1985CA1191893A1 Electric power source device
08/13/1985CA1191892A1 Inverter firing control with compensation for variable switching delay
08/13/1985CA1191891A1 Power conversion equipment
08/07/1985EP0150370A2 Method and device for the fast determining of a reference voltage synchronous with the network for a network piloted converter after a network failure
08/06/1985US4533989 Transformerless power inverter with only one type transistors
08/06/1985US4533988 On-chip CMOS bridge circuit
08/06/1985US4533987 Power supply system
08/01/1985WO1985003391A1 Current sense demodulator
07/1985
07/30/1985US4532583 Method and apparatus for controlling an inverter
07/30/1985US4532581 Circuit for reducing harmonics and pulsation in multiplex polyphase rectifying circuits or inverters, respectively provided with interphase reactors
07/30/1985US4532456 Output circuit for an electronic ballast system
07/30/1985EP0125278A4 Power supply having a dc imput power source and pulsed current supplying stages.
07/30/1985CA1191200A1 Power inverter
07/16/1985CA1190597A1 Rectifying device
07/10/1985EP0147840A2 Transformer power supply with a modulated pulse width voltage input
07/10/1985EP0147544A2 High voltage transformer
07/10/1985EP0147490A1 Power supply input system
07/09/1985US4528457 DC-AC converter for supplementing an AC power source
07/03/1985EP0146727A1 Process for achieving the no-load state of an induction motor fed by a thyristor inverter
07/03/1985EP0146726A1 Method and device for the operation of a HVDC transmission system with advanced phase control of the converters
07/03/1985EP0146725A1 Method and device for starting up a high-voltage direct current transmission system for normal operation
07/03/1985EP0146683A1 DC-AC conventer
07/02/1985US4527229 Flyback transformer with high voltage variable resistor built therein
07/02/1985US4527228 Wide band full duty cycle isolated transformer driver
07/02/1985US4527226 Inverter control system for providing an easily filtered output
07/02/1985US4527221 Support assembly for a high voltage DC power supply
06/1985
06/26/1985EP0146431A1 One-way rectifier with switched capacitors
06/25/1985US4525774 Regulated AC-DC converter having saturation inductance in resonant circuit
06/25/1985US4525648 DC/AC Converter with voltage dependent timing circuit for discharge lamps
06/25/1985CA1189580A1 Thyristor matrix having at least four columns
06/25/1985CA1189568A1 Power conversion circuit
06/20/1985WO1985002728A1 High frequency recovery driving system
06/19/1985EP0144754A1 Flyback converter switching power supply
06/19/1985EP0144593A1 Control system for a voltage-type inverter
06/18/1985US4524413 AC rectifier having semi-conductor active rectifying element
06/18/1985CA1189140A1 Inverter circuit with symmetry control
06/18/1985CA1189139A1 Control unit for an inverter
06/18/1985CA1189138A1 Bi-lateral four quadrant power converter
06/12/1985EP0144262A1 Electrical power matching system
06/12/1985EP0143955A1 Power supply system
06/11/1985US4523269 Series resonance charge transfer regulation method and apparatus
06/11/1985US4523268 Method and circuit for generating drive pulses for a DC control element
06/11/1985US4523267 Power converter control circuit
06/11/1985US4523266 AC to DC conversion system with current spreading circuit
06/11/1985US4523105 Full wave rectifier circuit for small signals
06/11/1985CA1188731A1 Method of pulsed control of high-tension thyristor rectifying arrangement and system for effecting same
06/11/1985CA1188730A1 Stored charge inverter circuit with rapid switching
06/11/1985CA1188727A1 Motor variable frequency drive
06/06/1985WO1985002505A1 Pwm inverter apparatus
06/06/1985WO1985002504A1 Ripple reduction circuit for an inverter
06/05/1985EP0143587A2 A phase control device for a power converter
06/05/1985EP0143405A2 Phase detecting apparatus
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