| Patents for H02M 5 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases (13,094) |
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| 07/08/1980 | US4212054 DC Power source |
| 07/08/1980 | US4211959 Touch-control adapter for electric lamps |
| 07/08/1980 | US4211940 Electronic power control device |
| 07/08/1980 | US4211912 Induction heating apparatus |
| 07/08/1980 | CA1081355A1 Plug in regulating power supply |
| 07/01/1980 | US4210827 Control circuit for generating a step-type control signal and a continuously varying control signal whose amplitude characteristic repeats at the step transition |
| 07/01/1980 | CA1080796A1 Static converter for variable reluctance machines |
| 06/24/1980 | US4209683 Load responsive trigger interval control for induction heating apparatus having inversely parallel connected thyristors |
| 06/10/1980 | CA1079379A1 Electronic arrangement for generating two alternating voltages whose phases are shiftable relative to each other |
| 06/10/1980 | CA1079344A1 Tuned oscillator ballast circuit |
| 06/03/1980 | USRE30296 Digital electronic dimmer |
| 06/03/1980 | CA1078920A1 Quadruple frequency converter |
| 05/20/1980 | CA1078012A1 Subharmonic frequency generator |
| 05/15/1980 | WO1980001023A1 High efficiency,light weight audio amplifier and power supply |
| 05/13/1980 | CA1077572A1 Nerve stimulating device |
| 05/06/1980 | CA1077135A1 Cycloconverter apparatus and method for working into an active load |
| 04/01/1980 | US4196469 DC-AC Converter including synchronized switching |
| 04/01/1980 | CA1074875A1 Power adjustment with variable frequency and duty-cycle control for induction heating apparatus |
| 03/18/1980 | US4194160 Noninteractive heater power supply |
| 02/20/1980 | EP0008053A1 Trigger circuit |
| 02/12/1980 | US4188663 Protective device of a current source inverter |
| 02/12/1980 | US4188659 Static AC/AC thyristor converter for a self-driven synchronous motor |
| 01/29/1980 | US4186435 Device for controlling a Graetz rectifier bridge |
| 01/08/1980 | US4183081 Inverter system including commutation failure prevention scheme |
| 01/01/1980 | US4181931 Two-phase control system |
| 12/18/1979 | US4179729 Rotary electric machine and power conversion system using same |
| 12/11/1979 | CA1067966A1 Induction heating apparatus using a pair of inversely series connected gate-controlled switching devices |
| 11/27/1979 | CA1067149A1 Three-phase quasi-square wave vscf induction generator system |
| 11/27/1979 | CA1067125A1 Power control system for single phase induction melting or heating furnace |
| 11/06/1979 | CA1065959A1 Ground wire fed incandescent buoys |
| 10/31/1979 | EP0005109A2 Installation and power supply for beacon flash lamps |
| 10/31/1979 | EP0005108A2 Installation and power supply for beacon incandescent lamps |
| 10/31/1979 | EP0005107A1 Device and method for diverting energy from a capacitive source with shunt switching regulation |
| 10/30/1979 | US4172991 AC current control system for AC power supply |
| 10/23/1979 | US4172269 Circuit for overshoot supression in X-ray generators |
| 09/25/1979 | CA1063172A1 Electrical load controller |
| 09/05/1979 | EP0003841A1 Power control circuit |
| 09/04/1979 | CA1061868A1 Induction heating apparatus using a pair of inversely parallel connected gate-controlled switching devices |
| 08/21/1979 | CA1060950A1 Current control system for high frequency link cycloconverter |
| 08/21/1979 | CA1060946A1 Stroboscopie beacons fed by a capacitive source___ |
| 08/14/1979 | US4164785 Multiphase to single phase and frequency converter system |
| 08/07/1979 | US4164014 Converter power supply apparatus |
| 08/07/1979 | CA1060094A1 Method for operating a frequency converter, starting circuit |
| 07/24/1979 | US4162523 Static circuit arrangement for production of 3-phase current of variable frequency and output power |
| 07/24/1979 | US4162522 Apparatus for frequency conversion by electromagnetic induction |
| 07/10/1979 | US4160938 Motor drive apparatus |
| 07/10/1979 | US4160925 Quadruple frequency converter |
| 06/26/1979 | US4159512 DC to DC converter circuit |
| 06/19/1979 | US4158792 Light control device for high frequency lighted fluorescent lamp |
| 06/12/1979 | CA1056450A1 Commutation circuit for low kva static ac motor drive |
| 05/22/1979 | CA1157516A Capacitive energy source extraction system with shunt switching control |
| 05/22/1979 | CA1055125A1 Pulse width modulated signal amplifier |
| 05/22/1979 | CA1055111A1 System for extracting energy from a capacitive source, with shunt switched regulation |
| 05/15/1979 | US4155114 Treble frequency converter |
| 05/01/1979 | US4152759 Frequency converter |
| 05/01/1979 | US4152607 Soft switch with rapid recovery circuit |
| 05/01/1979 | CA1053754A1 Voltage and frequency control circuit |
| 04/24/1979 | US4151387 Metal base cookware induction heating apparatus having improved power control circuit for insuring safe operation |
| 04/03/1979 | US4147910 Power adjustment with variable frequency and duty-cycle control for induction heating apparatus |
| 04/03/1979 | CA1051977A1 Modulated induction generator |
| 04/03/1979 | CA1051975A1 Static controller for power factor correction and adaptive filtering |
| 03/20/1979 | US4145618 Arrangement for providing auxiliary energy source for static inverter used with traction motor drive during power interruption |
| 03/20/1979 | US4145592 Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time |
| 03/20/1979 | CA1051090A1 Power circuits for obtaining a high power factor electronically |
| 03/06/1979 | US4143414 Three phase ac to dc voltage converter with power line harmonic current reduction |
| 03/06/1979 | CA1050106A1 Circuit arrangement with a number of cycloconverters, particularly direct cycloconverters in y-connection |
| 03/06/1979 | CA1050105A1 Circuit arrangement with a number of frequency converters, particularly y-connected direct frequency converters |
| 02/27/1979 | CA1049612A1 Rectifier-inverter system of coverter substation |
| 02/13/1979 | US4139885 Fault protection circuit |
| 02/13/1979 | CA1048612A1 Regulated power supply means for magnetron |
| 01/02/1979 | US4132909 Zero axis crossing detector |
| 12/26/1978 | CA1045202A1 Phase shifter |
| 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 | US4129809 Power factor corrected dual converter motor drive |
| 12/05/1978 | US4128768 Ozone generating apparatus |
| 11/28/1978 | US4127893 Tuned oscillator ballast circuit with transient compensating means |
| 10/31/1978 | US4123664 Ozone generating apparatus |
| 10/31/1978 | CA1041602A1 Starting circuit for inverter |
| 10/24/1978 | CA1041172A1 Phase shifter |
| 10/17/1978 | US4121149 Timing control for AC power circuit |
| 10/17/1978 | US4120712 Method of securing two non-metal surfaces together using a hot melt type fastener heatable by induction heating |
| 10/10/1978 | US4119864 Touch switch circuits |
| 10/03/1978 | CA1039807A1 Method for regulating work current of half circuits of bipolar d.c. transmission line and system for effecting same |
| 09/26/1978 | US4117389 Low frequency high output alternating current generating device |
| 09/26/1978 | CA1039356A1 Stabilized voltage source having a series regulator on the alternating-voltage side |
| 09/19/1978 | US4115729 Multiphase to single phase and frequency converter system |
| 09/19/1978 | US4115676 Induction heating apparatus |
| 09/12/1978 | US4114048 Load balancing system for ups rectifiers |
| 09/05/1978 | US4112287 Central oscillator for induction range using triac burner controls |
| 08/22/1978 | US4109307 High power factor conversion circuitry |
| 08/08/1978 | US4105897 Cycloconverter apparatus and method for working into an active load |
| 08/01/1978 | US4104715 Alternating current to alternating current converter apparatus |
| 07/25/1978 | US4102298 Device for deposition of semi-conductor material |
| 07/18/1978 | US4101819 Three phase controlling system |
| 07/11/1978 | US4100435 Phase control apparatus |
| 07/04/1978 | US4099109 Digital apparatus for synthesizing pulse width modulated waveforms and digital pulse width modulated control system |
| 07/04/1978 | US4099099 Method of and switching device for reducing feedback from a consumer periodically connected to an A.C. line |
| 06/20/1978 | US4096410 Inverter circuit protection |
| 05/30/1978 | US4092509 Induction heating appliance circuit that produces relatively high frequency signals directly from a relatively low frequency AC power input |