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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01/27/1987 | US4639849 Snubber circuit for H.F. bridge converter |
01/27/1987 | US4639848 Method and system for controlling an AC-DC converter system |
01/27/1987 | US4639847 Circuit arrangement for controlled power supply devices particularly for autoconverters |
01/27/1987 | US4639846 Method and compensating device for compensating current oscillations |
01/27/1987 | US4639845 Voltage inverter |
01/27/1987 | US4639844 Resonant current driven power source for low input voltages |
01/27/1987 | US4639663 Fly-back transformer with reduced ringing |
01/27/1987 | US4639662 Thyristor circuit for current regulation |
01/27/1987 | US4639660 Switching circuit for a power supply in a signal processing apparatus |
01/21/1987 | EP0209500A1 Method and arrangement at a transformer |
01/21/1987 | EP0208716A1 Inverter control |
01/20/1987 | US4638420 Apparatus for maintaining constant frequency in a DC to square wave inverter |
01/20/1987 | US4638419 Process and device for determining the mean value of the current delivered by a controllable valve rectifier bridge |
01/20/1987 | US4638418 Power inverter |
01/20/1987 | US4638416 Method and apparatus for high-voltage D.C. transmission with a bypass circuit for malfunctions |
01/20/1987 | US4638415 Method and apparatus for resumption of normal operation of a high-voltage D. C. transmission line |
01/20/1987 | US4638240 Base drive circuit for high-power switching transistor |
01/20/1987 | US4638176 Uninterruptible power supply |
01/20/1987 | US4638138 High frequency inverter circuit for melting and induction heating |
01/20/1987 | CA1216890A1 Rectifier circuits |
01/15/1987 | DE3524632A1 Device for forming the actual current value in three-phase current block feeding |
01/15/1987 | DE3524522A1 Energy recovery circuit for antiparallel-connected electronic branch pairs |
01/15/1987 | DE3524169C1 Circuit arrangement for a transformer-supplied, controllable single-phase converter bridge |
01/14/1987 | EP0208204A2 Optically controlled power converting apparatus |
01/14/1987 | EP0208088A1 Device for producing a three-phase voltage system with a neutral cable to be loaded |
01/14/1987 | EP0208065A2 Circuit arrangement for driving high-voltage power transistors |
01/13/1987 | US4636933 Power control circuit with digital pulse width control |
01/13/1987 | US4636932 dv/dt Protection circuit device for an AC-DC converter apparatus |
01/13/1987 | US4636929 Abnormal state detecting circuit of inverter |
01/13/1987 | US4636928 Inverter-drive controlling apparatus |
01/13/1987 | US4636927 DC to AC converter |
01/13/1987 | US4636655 Circuit in which output circuit and operational amplifier equipped input circuit are electrically isolated |
01/13/1987 | CA1216626A1 Method and apparatus for controlling switches in an inverter |
01/13/1987 | CA1216625A1 Current source sine wave inverter |
01/08/1987 | DE3528641A1 High-voltage DC voltage source |
01/08/1987 | DE3523530A1 Method for the transition to synchronous pulse-duration modulation in the case of a pulse converter |
01/08/1987 | DE3522872A1 Digital method and device for synchronous control of a mains-commutated converter |
01/07/1987 | EP0207408A1 Method of controlling the phase angle of the output-voltage or current of an inverter, and device for carrying it out |
01/06/1987 | US4635181 Bridge circuit for reduced switching losses |
01/06/1987 | US4635178 Paralleled DC power supplies sharing loads equally |
01/06/1987 | US4635177 Control for a neutral point clamped PWM inverter |
01/06/1987 | US4635176 High voltage DC generator with reduced ringing and voltage fluctuation |
01/06/1987 | US4634952 Inverter |
01/06/1987 | US4634888 Uninterruptible power supply |
01/06/1987 | CA1216323A1 Method and apparatus for controlling pwm inverter |
01/02/1987 | DE3522025A1 Method for operating a zero-current signalling device for a double converter which is free of circulating current |
01/02/1987 | DE3521983A1 Discharging circuit without significant losses for symmetrically arranged electronic switches in branched pairs |
12/31/1986 | CN85105133A Invertor apparatus |
12/31/1986 | CN85102904A Microthyristor circuit and device |
12/30/1986 | US4633382 Inverter control system |
12/30/1986 | US4633379 DC-DC converter having feedback type switching voltage converting circuit |
12/30/1986 | US4633241 Method of automated in-place SCR testing |
12/30/1986 | US4633141 Low voltage power source power inverter for an electroluminescent drive |
12/30/1986 | EP0206395A1 Superconducting rectifier for the conversion of a relatively low alternating current into a relatively high direct current |
12/30/1986 | EP0206150A2 Power supply installation for DC electric railroad |
12/30/1986 | EP0206104A2 FET gate driver circuit |
12/30/1986 | EP0205477A1 Control for a neutral point clamped pwm inverter |
12/30/1986 | CA1216023A1 Phase detecting apparatus |
12/30/1986 | CA1216022A1 Current spreading circuit |
12/30/1986 | CA1216019A1 High voltage generating circuit for an automatic ignition system |
12/23/1986 | US4631656 Mounting for electrical converter valve assembly |
12/23/1986 | US4631652 Frequency controlled resonant regulator |
12/23/1986 | US4631573 Heat sink structure |
12/23/1986 | US4631449 Integral crystal-controlled line-voltage ballast for compact RF fluorescent lamps |
12/23/1986 | CA1215742A1 Electrical power supply |
12/18/1986 | WO1986007501A1 Proportional base drive circuit |
12/17/1986 | EP0205287A2 Improvements in or relating to switched mode power supplies |
12/17/1986 | EP0205100A2 Method and system for preventing an excessive voltage build-up in a power converter system |
12/17/1986 | CN86104235A Power supply equipment for d.c. electrification railway |
12/17/1986 | CN86103326A Electric power supply for a unidirectional load |
12/17/1986 | CN86102980A Control apparatus for alternating elevator |
12/16/1986 | US4630188 Multi-zone ramp system for digital pulse generator and large scale integrated chip embodying the same |
12/16/1986 | US4629959 Method and apparatus for controlling PWM inverter |
12/09/1986 | US4628475 Pulse width modulation pulse generator |
12/09/1986 | US4628460 Microprocessor controlled phase shifter |
12/09/1986 | US4628438 Power converter apparatus and method employing plural branches |
12/09/1986 | US4628432 Proportional transistor base drive circuit for use in power converters |
12/09/1986 | US4628219 Rectifier assembly for mounting in a rotor |
12/04/1986 | WO1986007193A1 Cooled stack of electrically isolated semiconductors |
12/02/1986 | US4626983 Power conversion device for solar cell |
12/02/1986 | US4626981 Dual voltage converter circuit |
12/02/1986 | US4626980 Power bridge having a non-dissipative snubber circuit |
12/02/1986 | US4626979 Anticipatory feedback technique for pulse width modulated power supply |
12/02/1986 | US4626978 Static power frequency converter |
12/02/1986 | US4626763 Inverter system with hysteresis transition between pulse width modulation mode and pure square wave mode of operation |
12/02/1986 | US4626701 Rectifying circuit comprising a superconductive device |
12/02/1986 | US4626697 Power supply for providing plural DC voltages |
12/02/1986 | CA1214825A1 Current sensor for ac/dc converter |
12/02/1986 | CA1214824A1 Static electrical converter |
11/26/1986 | EP0202603A2 Cross coupled current regulator |
11/26/1986 | EP0202579A1 Power feed apparatus for load having reverse blocking characteristics |
11/26/1986 | EP0202499A1 Snubber circuit for GTO thyristor |
11/26/1986 | CN86103505A Method and an arrangement for controlling the magnetizing current passing through a transformer |
11/25/1986 | US4625272 Converter control apparatus and method |
11/25/1986 | US4625271 Soft-start circuit for a power converter |
11/25/1986 | US4625270 RFI suppression technique for switching circuits |
11/25/1986 | CA1214516A1 Static power converter |
11/20/1986 | WO1986006892A1 Circuit for producing a high direct voltage from a medium frequency alternating voltage |
11/12/1986 | EP0201335A2 Transformer assembly and winding therefor |
11/12/1986 | CN86101839A Output circuitry wiring of control section of a regulator |