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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04/27/1982 | CA1122652A1 Control of high-voltage d.c. transmission systems |
04/21/1982 | EP0049839A2 Method of inducing dynamic firing-angle reliability in a line-conducted converter |
04/20/1982 | US4326246 Circuit arrangement of an inverted current rectifier with self commutation |
04/20/1982 | US4326134 Integrated rise-time regulated voltage generator systems |
04/13/1982 | US4325115 Regulated DC power supply |
04/13/1982 | US4325114 Gate controlling circuit for a thyristor converter |
04/13/1982 | US4325112 Counter controlled pulse width modulated inverter |
04/13/1982 | US4324950 Amplifier for driving electrostatic loudspeakers |
04/06/1982 | US4323962 High efficiency rectifier with multiple outputs |
04/06/1982 | US4323947 Electrostatic gun with improved diode-capacitor multiplier |
03/31/1982 | EP0048513A2 Switchable analogue signal inverter |
03/30/1982 | US4322789 Static converter of symmetrical type |
03/30/1982 | US4322788 Inverter circuit |
03/30/1982 | US4322769 Electric switch operation monitoring circuitry |
03/23/1982 | US4321663 Process of pulse duration modulation of a multi-phase converter |
03/23/1982 | US4321662 Power supply circuit for electrical apparatus |
03/16/1982 | US4320449 Control circuit |
03/16/1982 | US4320446 Cockcroft-Walton voltage multiplying circuit for slim hole well logging tool |
03/16/1982 | US4320445 Gate control circuit for thyristor converter |
03/16/1982 | US4320331 Transistorized current controlled pulse width modulated inverter machine drive system |
03/16/1982 | US4320308 Pulse duty control system |
03/16/1982 | US4320273 Apparatus for heating an electrically conductive cooking utensil by magnetic induction |
03/10/1982 | EP0047099A2 Full wave rectifier assembly |
03/09/1982 | US4319317 D.C. Power supply |
03/09/1982 | US4319164 Power factor compensating electroluminescent lamp DC/AC inverter |
03/09/1982 | CA1119667A1 High voltage semiconductor converter protective apparatus |
03/02/1982 | US4318171 Method of three commutation on rectifiers and of inverted electric current converters |
03/02/1982 | US4318170 Power inverter oscillator circuit |
03/02/1982 | US4318169 Suspension-mounted static electrical converter |
03/02/1982 | US4318167 Electrical inverter with controllable output voltage |
03/02/1982 | US4318165 Resonant-flyback power supply with filament winding for magnetron and the like loads |
03/02/1982 | US4318164 High frequency switching circuit having preselected parameters to reduce power dissipation therein |
02/24/1982 | EP0046322A1 Electric-power supply |
02/23/1982 | US4317166 Circuit arrangement for self-commutated inverters |
02/23/1982 | US4317165 Inverter having improved efficiency and regulation |
02/23/1982 | US4317075 Device for transforming an alternating current to a direct current, and application thereof to the charging of storage batteries |
02/23/1982 | US4317052 Apparatus for converting an A.C. input signal to a rectified and smoothed D.C. signal |
02/23/1982 | CA1118837A1 Converter including oscillatory circuit |
02/16/1982 | US4316243 Power FET inverter drive circuit |
02/16/1982 | US4316089 Method of stabilizing operation of a hybrid spark chamber |
02/16/1982 | EP0029067A4 A converter circuit for storing a predetermined quantity of energy. |
02/16/1982 | CA1118511A1 Control logic for an inverter ripple controlled power system |
02/16/1982 | CA1118490A1 Commutation failure detection and restoration for scr frequency converters |
02/10/1982 | EP0045444A2 Rectifier device |
02/09/1982 | US4315306 High-voltage generating device |
02/09/1982 | US4315305 Controlled D-C power supply |
02/09/1982 | US4315304 Starting circuit for a high frequency magnetic amplifier power supply |
02/02/1982 | US4314326 Rectifying circuit with zero correction |
02/02/1982 | US4314322 Three phase regulated supply with ripple current regulation |
02/02/1982 | US4314191 Protective system for inverter circuit used in driving AC motors |
02/02/1982 | US4314189 Device for controlling the commutating angle of an inverter device |
02/02/1982 | US4314170 Hand power tool control unit |
02/02/1982 | CA1117597A1 Apparatus for detecting diode failures in multiple diode rectifier bridges |
01/26/1982 | US4313060 Uninterruptible power supply with load regulation of standby voltage source |
01/26/1982 | CA1117183A1 High voltage direct current transmission |
01/21/1982 | WO1982000225A1 Electric power supply system |
01/19/1982 | US4312031 Apparatus for controlling current type inverters |
01/19/1982 | US4312030 Switching waveform synthesiser for polyphase static inverters |
01/19/1982 | US4311955 Phase control device which compensates for input variations |
01/19/1982 | CA1116704A1 Precision rectifier circuit |
01/19/1982 | CA1116678A1 Rectifier assembly for a synchronous machine |
01/13/1982 | EP0043615A1 High-voltage transformer |
01/12/1982 | CA1116233A1 Electrical convertor |
01/07/1982 | WO1982000070A1 Discharging circuit for rectifying power source |
01/06/1982 | EP0043146A1 Process for putting into operation one of several rectifier groups of a high-voltage direct-current transmission system connected in series |
01/06/1982 | EP0043026A1 Method and device for the control, during the starting phase, of a load-controlled oscillatory-circuit inverter |
01/05/1982 | US4309751 Method and apparatus for controlling current type inverters |
01/05/1982 | US4309750 Inverter device |
01/05/1982 | US4309749 Circuit having improved firing angle symmetry for ignition pulses in the control of a multipulse rectifier |
01/05/1982 | US4309747 High current, high voltage multiplication apparatus |
01/05/1982 | US4309735 Protective circuits for converter-supplied D.C. motor |
01/05/1982 | US4309622 Portable electric automotive engine cranking unit |
01/05/1982 | CA1115774A1 Method and apparatus for control of static valve converter |
12/30/1981 | EP0042512A1 Current switch driving circuitry |
12/30/1981 | EP0042382A1 Apparatus for providing multiphase current |
12/29/1981 | US4308578 Inverter device |
12/29/1981 | US4308577 Base drive circuit |
12/29/1981 | US4308575 Power source system |
12/24/1981 | WO1981003731A1 Lighting system |
12/24/1981 | WO1981003723A1 Dc to ac inverter |
12/24/1981 | WO1981003722A1 Transistor or thyristor inverter with energy recovery |
12/23/1981 | EP0042235A1 DC to AC inverter |
12/22/1981 | US4307437 Semiconductor rectifier assembly, particularly for combination with an automotive-type alternator, and method of manufacture |
12/22/1981 | US4307353 Bias control for high efficiency inverter circuit |
12/22/1981 | US4307305 Precision rectifier circuits |
12/15/1981 | US4306283 Power factor improving apparatus for power converter |
12/15/1981 | US4306161 Simple method of switching an AC line |
12/09/1981 | EP0041360A2 Resonant power inverter and method of operation thereof |
12/08/1981 | US4305121 Rectifier apparatus with improved heat sink and diode mounting |
12/01/1981 | US4303935 Semiconductor apparatus with electrically insulated heat sink |
12/01/1981 | CA1113597A1 Static electrical convertor |
11/26/1981 | WO1981003400A1 A four quadrant ac and dc to ac and dc converter with two or more independently controlled loads |
11/24/1981 | US4302807 Controlled current base drive circuit |
11/24/1981 | US4302717 Power supply with increased dynamic range |
11/24/1981 | US4302713 Fixed gating sequence apparatus and method for an inverter |
11/24/1981 | CA1113153A1 Temperature control apparatus |
11/17/1981 | US4301500 Gate control system of the inverter using gate-turn-off thyristors |
11/17/1981 | US4301465 Cover mounted multi-columnar semiconductor assembly |
11/17/1981 | US4301415 Programmable multiple phase AC power supply |
11/17/1981 | US4301398 Method and apparatus for controlling a resonant power module |