| Patents for H02M 1 - Details of apparatus for conversion (33,954) | 
|---|
| 07/29/1980 | US4215279 Apparatus for controlling the operation of power transistors in a switching mode | 
| 07/15/1980 | US4213066 Solid state switch | 
| 07/09/1980 | EP0012919A1 Circuit arrangement for reducing the recovery time of a thyristor | 
| 07/09/1980 | EP0012846A1 Thyristor | 
| 07/08/1980 | US4212055 Control for an inverter station | 
| 07/08/1980 | US4212024 Solid-state switching circuit employing photon coupling suitable for construction in form of integrated circuit | 
| 07/08/1980 | US4211940 Electronic power control device | 
| 07/08/1980 | CA1081323A1 Dv/dt protection for solid state switches | 
| 07/08/1980 | CA1081322A1 Emitter follower voltage controlled power supply | 
| 06/25/1980 | EP0012742A1 Multiple-bridge, three-phase converter arrangement including voltage harmonics cancellation | 
| 06/24/1980 | US4209757 Circuit for compensating harmonic currents in an electric consumer arrangement | 
| 06/24/1980 | US4209733 Motor control apparatus with an improved thyristor chopper circuit | 
| 06/24/1980 | US4209683 Load responsive trigger interval control for induction heating apparatus having inversely parallel connected thyristors | 
| 06/17/1980 | US4208707 Method and apparatus for control of static valve converter | 
| 06/17/1980 | CA1079816A1 Sawtooth waveform generator | 
| 05/20/1980 | US4204264 Harmonic cancellation for multi-bridge, three-phase converters | 
| 05/13/1980 | US4203047 Gate circuit of gate turn-off thyristor | 
| 05/13/1980 | CA1077565A1 Circuit for controlling the reverse current in a controlled rectifier | 
| 04/29/1980 | US4200908 Device for digital control of polyphase thyristor-pulse converter | 
| 04/22/1980 | US4199694 Terminal convertible alternating current switch | 
| 04/16/1980 | EP0009783A1 A system for driving a motor by a pulse width modulation inverter | 
| 04/15/1980 | CA1075768A1 Alternating current controlling system | 
| 04/02/1980 | EP0009225A1 Protective circuit | 
| 04/01/1980 | CA1074865A1 Transistor switching circuit with feedback inductor | 
| 04/01/1980 | CA1074863A1 High power factor ac to dc converter circuit | 
| 03/25/1980 | US4195336 Digital control device for multiphase thyristor-pulse d.c. converter | 
| 03/25/1980 | US4195335 Switching power supply having a wide range input capability | 
| 03/25/1980 | US4195334 High-voltage DC transmission system and method | 
| 03/25/1980 | US4195306 Gate turn-off thyristor | 
| 03/25/1980 | US4195236 Device for discrete control of thyristor-pulse converters | 
| 03/11/1980 | US4193111 Unity power factor converter | 
| 03/04/1980 | US4191992 Method of and apparatus for enabling soft-failure of modular power converter systems, including RF generator systems, embodying switching components in the power conversion | 
| 02/20/1980 | EP0008053A1 Trigger circuit | 
| 02/19/1980 | US4189695 Current limiting fuse device employing cooling and insulating medium | 
| 01/29/1980 | US4186434 Means for producing and controlling dead-time of the switching transistors DC-to-DC and DC-to-AC converters | 
| 01/15/1980 | US4184086 Semiconductor switch | 
| 01/15/1980 | CA1069975A1 Semiconductor switch | 
| 11/27/1979 | US4176288 Zero voltage switching solid state relay | 
| 11/13/1979 | USRE30150 Inductor drive means | 
| 11/13/1979 | US4174495 Static current limiting switch with soft forced commutation | 
| 11/06/1979 | US4173722 Digital pulse generator with end-stop detection and control | 
| 11/01/1979 | WO1979000878A1 Device for smoothing an output voltage of an electric generator | 
| 10/17/1979 | EP0004701A2 A method of and apparatus for reducing priming and sweep-out losses in SCR switching circuits | 
| 10/16/1979 | US4171510 System for detecting output of controllable semiconductor device | 
| 10/09/1979 | CA1064108A1 Semiconductor switch | 
| 10/09/1979 | CA1064107A1 Four-layered semiconductor switch | 
| 10/02/1979 | US4170037 Lock-out logic circuit for inverter protection | 
| 10/02/1979 | CA1063672A1 Gate controlling apparatus for a thyristor valve | 
| 09/25/1979 | US4169259 Frequency sensitive switching circuit | 
| 09/25/1979 | CA1063189A1 Configuration for reducing the turn-off time of a thyristor | 
| 09/19/1979 | EP0004199A1 Method and apparatus for supplying electric current to a number of electrical loads | 
| 09/11/1979 | US4167776 Inverter circuit | 
| 09/11/1979 | US4167698 Monitoring the conduction cutoff phase angles in rectifiers | 
| 09/11/1979 | US4167696 Zero phase switching for multi-phase systems | 
| 09/11/1979 | CA1062330A1 Power converter employing non-saturating interphase transformer | 
| 08/07/1979 | US4164013 Six-pulse rectifier circuit | 
| 08/07/1979 | CA1060094A1 Method for operating a frequency converter, starting circuit | 
| 07/31/1979 | US4163191 Magnetic phase shifter control system | 
| 07/10/1979 | US4161022 Controllable rectifier circuit for a power supply | 
| 07/10/1979 | US4160921 Thyristor control | 
| 07/03/1979 | US4160288 Active filter circuit for regulated dc to dc power supplies | 
| 07/03/1979 | US4160153 Duty cycle shared proportional temperature control | 
| 06/12/1979 | US4158164 Phase control of power to a load using a single capacitor | 
| 05/22/1979 | US4156275 Power conversion unit | 
| 05/16/1979 | EP0001756A1 Circuit for reducing the turn-off time of a thyristor | 
| 05/08/1979 | CA1054221A1 Current regulation system for three-phase load | 
| 05/08/1979 | CA1054218A1 Circuit arrangement for protecting thyristors | 
| 04/24/1979 | US4151586 Method and apparatus for shutting down an inverter | 
| 04/24/1979 | US4151427 High-voltage zero-crossing detector | 
| 04/24/1979 | US4151387 Metal base cookware induction heating apparatus having improved power control circuit for insuring safe operation | 
| 04/24/1979 | CA1053331A1 Control system for controlling the operation of a three-phase load | 
| 04/24/1979 | CA1053326A1 Constant frequency chopper feeding low current to an inductive load_ | 
| 04/17/1979 | US4150424 Dynamic current balancing for power converters | 
| 04/10/1979 | US4149236 Process for control or regulation of analog electrical machines | 
| 04/03/1979 | CA1051978A1 Inrush current limit circuit with reset response to lowered input voltage | 
| 03/20/1979 | US4145592 Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time | 
| 03/06/1979 | US4143383 Controllable impedance attenuator having all connection contacts on one side | 
| 03/06/1979 | CA1050170A1 Circuit arrangement for firing controlled, parallel-connected electric valves | 
| 03/06/1979 | CA1050107A1 High-voltage thyristor converter | 
| 01/23/1979 | CA1047107A1 Converter circuit | 
| 01/16/1979 | US4135124 Electronic monitoring system with selective signal inverter | 
| 01/09/1979 | CA1046142A1 Drive circuit for controlling conduction of a semiconductor device | 
| 01/02/1979 | US4132909 Zero axis crossing detector | 
| 12/26/1978 | US4131927 A.C. power supply circuit with surge current suppression | 
| 12/26/1978 | US4131826 Triggering circuit for triggered vacuum gaps | 
| 12/19/1978 | US4130827 Integrated circuit switching network using low substrate leakage current thyristor construction | 
| 12/19/1978 | CA1044758A1 Three phase load controlling system | 
| 12/19/1978 | CA1044756A1 Frequency reduction and power control circuit for thyristor line controllers | 
| 12/12/1978 | US4129791 Solid state switching circuit | 
| 12/12/1978 | CA1044318A1 Dc convertor | 
| 12/05/1978 | CA1043871A1 Digital controller for thyristors | 
| 11/28/1978 | US4127894 Converter protection circuit operative to limit and counteract transformer saturation | 
| 11/28/1978 | CA1043430A1 Multi-purpose thyristor commutation circuit | 
| 11/21/1978 | US4126819 Interlock circuit for complementary electronic switches | 
| 11/21/1978 | CA1042977A1 Voltage monitoring controlling and protecting apparatus employing programmable unijunction transistor | 
| 11/14/1978 | US4125787 Semiconductor switch circuit | 
| 11/14/1978 | CA1042507A1 Pulse control system power circuit | 
| 11/14/1978 | CA1042500A1 Solid state chopper ballast for gaseous discharge lamps | 
| 11/07/1978 | US4124886 Generation of low frequency, high voltages | 
| 10/31/1978 | US4123670 Transistor switching circuit |