| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
|---|
| 05/18/1988 | CN87106609A Three-phase semi-controlled bridge type rectifying circuit without run away |
| 05/11/1988 | EP0267129A1 Static converter with a protection filter against high-frequency disturbances |
| 05/10/1988 | US4744017 High tension power supply with means for preventing transformer saturation |
| 05/10/1988 | US4743873 Highpass filter of a filter arrangement for a three-phase network connected to converters |
| 05/10/1988 | CA1236521A1 Power transfer circuit |
| 05/04/1988 | CN87105286A Power switch controller of washer etc |
| 04/26/1988 | CA1235745A1 Circuit arrangement for monitoring a thyristor |
| 04/20/1988 | EP0263966A1 Power control system |
| 04/20/1988 | CN87106643A Excess current protective circuit of converter |
| 04/13/1988 | CN87211107U Controller of electrical equipment for multi-purpose |
| 04/06/1988 | EP0262820A2 Apparatus for non-dissipative switching transistor snubber |
| 04/06/1988 | EP0262581A2 Power supply operable on varying inputs |
| 04/05/1988 | US4736286 Switching power supply |
| 04/05/1988 | US4736152 Load current interference reducing apparatus |
| 03/30/1988 | EP0262017A1 Base control circuit for the transistors of an inverter branch |
| 03/23/1988 | EP0260825A2 High voltage power supply particularly adapted for a TWT |
| 03/23/1988 | EP0260474A1 Power supply adapter systems |
| 03/23/1988 | CN86106028A Power generator |
| 03/22/1988 | US4733340 Apparatus for stabilizing turbine-generator shaft torsional oscillations |
| 03/15/1988 | US4731722 Low AC harmonic DC power supply |
| 03/10/1988 | WO1988001805A1 Switching circuit |
| 03/10/1988 | WO1988001804A1 On-off detecting circuit |
| 03/10/1988 | WO1988001791A1 Magnetic material biasing method and apparatus |
| 03/09/1988 | EP0258576A2 Harmonic currents isolating network |
| 03/08/1988 | US4730243 EMI reduction circuit |
| 03/08/1988 | US4730122 Power supply adapter systems |
| 03/02/1988 | EP0257089A1 Switching mode power supply start circuit |
| 03/02/1988 | EP0257041A1 Emi reduction circuit |
| 03/01/1988 | US4729082 Control device for power converter |
| 03/01/1988 | US4728866 Power control system |
| 03/01/1988 | CA1233509A1 Twelve pulse ac motor drive |
| 02/24/1988 | EP0256569A1 Supply circuit for supplying a smoothed direct current to a load impedance |
| 02/24/1988 | EP0256231A2 Control circuit for a switching power supply with a sinusoidal input current for transforming a sinusoidal AC voltage into a regulated DC voltage |
| 02/24/1988 | CN87104538A Improved scr priming and sweep-out circuit |
| 02/10/1988 | CN86206231U Scr ac controlling device triggered directly by a cmos circuit |
| 02/03/1988 | EP0255258A2 Digitally controlled A.C. to D.C. power conditioner that draws sinusoidal input current |
| 01/27/1988 | EP0254073A2 Harmonic suppressing device |
| 01/27/1988 | CN87104868A Supply circuit for supplying a smoothed direct current to a load impedance |
| 01/26/1988 | US4721188 Control apparatus for A.C. elevator |
| 01/21/1988 | DE3702617A1 Circuit arrangement for protection of at least one thyristor |
| 01/20/1988 | CN85106414B Control device for ac-dc converter |
| 01/12/1988 | US4719557 Apparatus for generating a symmetrical three-phase voltage system with a neutral wire capable of carrying current |
| 01/12/1988 | US4719552 AC-DC converter triggered by variable frequency pulses |
| 01/12/1988 | US4719551 Optically controlled power converting apparatus |
| 01/07/1988 | EP0251428A2 SCR priming and sweep-out circuit apparatus |
| 01/07/1988 | EP0125278B1 Power supply having a dc imput power source and pulsed current supplying stages |
| 01/06/1988 | CN87105303A Method and equipment for the charge balance control of the silicon control |
| 01/05/1988 | US4717867 Apparatus for conserving power in operating a load |
| 12/30/1987 | WO1987007988A1 Switched capacitor induction motor drive |
| 12/29/1987 | US4716510 Automatic restart circuit for a switching power supply |
| 12/16/1987 | EP0249259A1 Power-supply circuit |
| 12/16/1987 | EP0249123A1 Fault checking method for an electric high-voltage valve |
| 12/09/1987 | CN87101640A Device for stabilizing torsional-vibration of turbogenerator shaft |
| 12/09/1987 | CN86103705A Frequency self adaptive trigger of microprocessor used in transistorized thyratron current cunvertor |
| 12/08/1987 | US4712171 Electrical power source |
| 12/08/1987 | US4712169 Circuit arrangement for forming a direct voltage from a sinusoidal input voltage |
| 12/01/1987 | US4710861 On a d.c. signal |
| 12/01/1987 | US4710696 Control device for controllable electric valve |
| 11/25/1987 | CN87103527A Power-supply circuit |
| 11/24/1987 | CA1229656A1 Variable frequency controller |
| 11/19/1987 | DE3622093C1 Switch arrangement for supplying a load with alternating current |
| 11/11/1987 | EP0244907A1 Switched voltage converter |
| 11/11/1987 | EP0244623A2 Automatic restart circuit for a switching power supply |
| 11/11/1987 | EP0085112B1 Drive circuit for power switching transistor |
| 11/10/1987 | US4705997 Bidirectional motor drive circuit |
| 11/04/1987 | EP0243403A1 Rfi suppression technique for switching circuits. |
| 11/04/1987 | CN87100300A Restoring circuit for complementary metal-oxide-semiconductor locking-in state |
| 11/03/1987 | US4704673 Phase-adjusting device for parallel-resonant circuit frequency converters |
| 10/27/1987 | US4703411 Voltage converter with GTO thyristors in series connection with at least a choke with freewheeling circuit |
| 10/27/1987 | US4703409 Coupled power supply inductors for reduced ripple current |
| 10/21/1987 | EP0241979A2 Circuit arrangement for the reduction of an interfering current produced by a load |
| 10/21/1987 | EP0241976A1 Circuit arrangement to produce a DC voltage from a sinusoidal input voltage |
| 10/21/1987 | EP0241736A1 Firing method for a thyristor circuit |
| 10/15/1987 | DE3612380A1 Circuit arrangement for reducing an interference current which is caused in a load |
| 10/15/1987 | DE3612378A1 Circuit arrangement for reducing an interference current which is caused in a load |
| 10/14/1987 | EP0241403A1 Bidirectional motor drive circuit |
| 10/13/1987 | US4700284 High-voltage thyristor converter and laser with mirror control therefor |
| 10/13/1987 | US4700283 Control system for an electric locomotive having AC to DC converters |
| 10/07/1987 | EP0240172A2 PWM motor operating circuit with RFI suppression |
| 10/07/1987 | EP0239806A1 Apparatus for stabilizing turbine-generator shaft torsional oscillations |
| 10/06/1987 | US4698530 Power switch for dual power supply circuit |
| 10/06/1987 | US4698520 Method and apparatus to trigger the current-conducting state of gate-turn-off thyristor |
| 10/01/1987 | DE3610062A1 Phase-gating controller |
| 09/24/1987 | DE3610044A1 Device for common asymmetry protection of lossy series-tuned circuits |
| 09/22/1987 | US4695936 Switching mode power supply start circuit |
| 09/16/1987 | EP0237012A2 A control apparatus for PWM power converters |
| 09/16/1987 | EP0236372A1 Power supply circuitry for electric or electronic controllers or regulators |
| 09/15/1987 | US4694386 Chopped power supply control circuit with automatic start-up |
| 09/08/1987 | US4692853 Control circuit for a chopped power supply with progressive start up |
| 09/08/1987 | CA1226653A1 Load feed device, especially for direct current motors of ac-dc railway locomotives |
| 09/01/1987 | US4691270 Current fed inverter bridge with lossless snubbers |
| 08/25/1987 | US4689735 Power supply for single-phase traction system |
| 08/25/1987 | US4689547 Multiple location dimming system |
| 08/19/1987 | EP0232764A2 Circuit arrangement for controlling the longitudinal switch member of a switching current power supply apparatus |
| 08/18/1987 | US4688160 Single ended forward converter with resonant commutation of magnetizing current |
| 08/18/1987 | US4687950 Thyristor commutation circuit |
| 08/13/1987 | WO1987004875A1 Switching mode power supply start circuit |
| 08/12/1987 | EP0231954A1 High-voltage thyristor converter |
| 08/12/1987 | EP0231917A2 Current-type converter with overvoltage protection |
| 08/11/1987 | US4686618 Fault protection for GTO voltage-source inverters |