Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189) |
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09/28/1982 | CA1132655A1 Dc transmission control system |
09/21/1982 | US4351022 Combinational logic for generating gate drive signals for phase control rectifiers |
09/21/1982 | US4351020 Circuit arrangement for equalizing waveforms of push-pull power supply |
09/21/1982 | CA1132197A1 Precision rectifier circuits |
09/21/1982 | CA1132196A1 Control unit for multi-phase static converter |
09/14/1982 | CA1131700A1 Power supply providing constant power output |
09/07/1982 | US4348734 Converter by stored switching pattern |
09/07/1982 | US4348719 Static inverter with energy return |
09/07/1982 | US4348718 Timing generator for use with multi-phase control rectifier systems |
09/07/1982 | US4348687 Clamping assembly for thyristor column |
09/07/1982 | US4348621 Control circuit for a multi-phase load |
08/31/1982 | US4347562 Digital power converter trigger |
08/31/1982 | US4347561 Alternating current to direct current power supply |
08/31/1982 | US4347560 Square wave generator |
08/31/1982 | US4347543 Rectifier circuit diode array and circuit protector |
08/31/1982 | US4347469 Electronic-magnetic current isolator circuit |
08/31/1982 | CA1130858A1 Harmonic cancellation for multi-bridge, three-phase converters |
08/25/1982 | EP0058528A2 Inverter Circuit |
08/24/1982 | US4346332 Frequency shift inverter for variable power control |
08/24/1982 | CA1130482A1 Mine hoist drive |
08/24/1982 | CA1130377A1 High-voltage generating device |
08/18/1982 | EP0058035A1 Transistor inverter device |
08/17/1982 | CA1129957A1 Voltage regulation loop for inverter power supply |
08/17/1982 | CA1129954A1 Loss compensation regulation for an inverter power supply |
08/17/1982 | CA1129953A1 High-voltage transformer |
08/11/1982 | EP0057340A2 Automatic device for the compensation of the voltage variations of the polyphase alternating current mains applied to an AC-DC converter |
08/10/1982 | US4344123 Multilevel PWM inverter |
08/10/1982 | CA1129537A1 H-switch configuration for controlling latching solenoids |
08/10/1982 | CA1129494A1 Sliding notch pulse width modulation (pwm) |
08/10/1982 | CA1129483A1 Converter for supplying discharge lamps, and more generally arc lamps and its application to projectors for such lamps |
08/03/1982 | CA1128992A2 High frequency circuit for operating a high-intensity, gaseous discharge lamp |
08/03/1982 | CA1128991A2 High frequency circuit for operating a high-intensity, gaseous discharge lamp |
08/03/1982 | CA1128990A1 Inverter circuits |
07/28/1982 | EP0056659A1 Converter control apparatus for parallel connected multi-terminal direct current system |
07/28/1982 | EP0056481A2 Transistor inverter device |
07/28/1982 | EP0056393A1 Electric power supply system. |
07/27/1982 | US4342076 Transistor turn off current sensing circuit |
07/21/1982 | EP0056134A1 DC-to-AC inverter |
07/20/1982 | CA1128140A1 Thyristor off-time controlled induction heating apparatus by differentiated thyristor anode potential |
07/14/1982 | EP0055816A1 Electric switch operation monitoring circuitry |
07/13/1982 | US4339791 DC to low frequency inverter with pulse width modulated high frequency link |
07/13/1982 | US4339732 Closed loop constant current tuned oscillator |
07/13/1982 | US4339704 Series parallel transition for power supply |
07/13/1982 | CA1127708A1 Means for damping mechanical torsional oscillations of an electric a.c. generator |
07/08/1982 | WO1982002293A1 Linear full wave rectifier circuit |
07/07/1982 | EP0055684A2 Inverter with individual commutation circuit |
07/07/1982 | EP0055661A1 Control device for the regulation means in an electric AC-DC high-power converter |
07/06/1982 | US4338558 Induction motor control system and method |
07/06/1982 | CA1127247A1 High frequency switching circuit having preselected parameters to reduce power dissipation therein |
07/06/1982 | CA1127236A1 Control method and system for a high voltage direct current system |
06/30/1982 | EP0055203A2 Selective commutation circuit for an inverter |
06/29/1982 | CA1126812A1 Power conversion apparatus |
06/24/1982 | WO1982002134A1 Pulse width modulated voltage converter for generating a preferably sinusoidal alternating voltage |
06/23/1982 | EP0054076A1 Discharging circuit for rectifying power source |
06/22/1982 | US4336586 Linear full wave rectifier circuit |
06/22/1982 | US4336585 Selective commutation for an inverter |
06/22/1982 | US4336584 Autoresonant static converter |
06/22/1982 | CA1126333A1 Inverter convertible to rectifier |
06/16/1982 | EP0053812A2 Thyristor stack |
06/16/1982 | EP0053691A1 Choke for high current transformers |
06/15/1982 | US4335424 Cycling firing method for bypass operation of bridge converters |
06/15/1982 | CA1125853A1 High-voltage converter circuit |
06/15/1982 | CA1125852A1 Waveform synthesizer |
06/09/1982 | EP0053294A1 Energy supply device for a passenger-train car |
06/08/1982 | US4334267 Free-running push-pull inverter |
06/08/1982 | US4334265 Thyristor inverter with inverter bridge and common turn-off circuit for inverter thyristors |
06/08/1982 | US4334254 Gated snubber circuit |
06/08/1982 | CA1125367A1 Regulation circuit |
06/02/1982 | EP0052860A2 Monolithic integrated semiconductor bridge circuit |
06/02/1982 | EP0052643A1 Converter with two or more independently controlled loads. |
06/01/1982 | US4333141 Full wave rectifier |
06/01/1982 | US4333139 Static inverter |
06/01/1982 | US4333138 Power supply for load controller |
06/01/1982 | US4333135 Four quadrant AC and DC to AC and DC converter with two or more independently controlled loads |
06/01/1982 | US4333042 System for driving a motor by a pulse width modulation inverter |
06/01/1982 | CA1124869A1 Control unit for a converter |
06/01/1982 | CA1124789A1 Solid state fluid cooled power element |
05/25/1982 | US4331994 Shootthrough fault protection system for a voltage source transistor inverter |
05/25/1982 | US4331887 Current switch driving circuit arrangements |
05/25/1982 | US4331886 Current switch driving circuit arrangements |
05/19/1982 | EP0051911A1 Method and apparatus for enhancing the output of a log-antilog type RMS converter |
05/18/1982 | US4330820 Circuit for forming periodic pulse patterns |
05/18/1982 | US4330819 Static semi conductor electrical energy converter |
05/18/1982 | US4330817 Process and system for controlling the energization of a load |
05/18/1982 | US4330815 DC Transmission control system |
05/18/1982 | US4330743 Electrical aircraft engine start and generating system |
05/18/1982 | US4330717 Phase adjustment circuit |
05/18/1982 | CA1123908A1 Circuit arrangement for generating a pulse-width modulated signal |
05/18/1982 | CA1123907A1 Frequency inverter |
05/12/1982 | EP0051416A1 A safety circuit for preventing or reducing phase control system malfunction |
05/11/1982 | US4329652 Apparatus for synchronization control of a plurality of inverters |
05/11/1982 | US4329595 AC Resonant charger with charge rate unrelated to primary power frequency |
05/05/1982 | EP0050753A1 Circuit arrangement to supply an alternative current user with an alternative voltage and more particularly with a sinous voltage |
05/04/1982 | US4328512 Two-element semiconductor diode rectifier assembly structure |
05/04/1982 | US4328454 Apparatus for controlling ac motor |
05/04/1982 | US4328429 Method and apparatus for controlling inverters in parallel operation |
05/04/1982 | CA1123049A1 Two-stage commutation circuit for an inverter |
05/04/1982 | CA1123044A1 Emergency lighting fluorescent pack |
04/28/1982 | EP0050583A1 Alternating voltage to direct current converter and oscillator circuit comprising said converter |
04/27/1982 | US4327406 DC to AC synthesizer with inverter circuit failure avoidance |