| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
|---|
| 11/24/1981 | US4302807 Controlled current base drive circuit |
| 11/24/1981 | US4302806 Filter for polyphase rectifier |
| 11/24/1981 | US4302802 Flyback power supply regulator |
| 11/17/1981 | US4301500 Gate control system of the inverter using gate-turn-off thyristors |
| 11/12/1981 | WO1981003248A1 Pulse generating system |
| 11/12/1981 | WO1981003246A1 A control device for a silicon-controlled rectifier |
| 11/11/1981 | EP0039620A1 Pulse generating system |
| 11/04/1981 | EP0039279A1 High voltage static switch and its use in a commutable high-voltage generator |
| 10/28/1981 | EP0038496A1 Firing device and piezoelectric coupling element for firing with galvanic decoupling |
| 10/13/1981 | US4295189 Apparatus and method for generating waveforms which are particularly suitable for a PWM-driven motor |
| 10/07/1981 | EP0037001A1 Inverter device |
| 10/06/1981 | US4293905 Method and apparatus for controlling power and optimizing power factor in an AC-to-DC converter |
| 10/06/1981 | US4293779 Control of power semiconductors through center-tapped transformer with self-demagnetizing circuitry |
| 09/29/1981 | US4292550 Gate control circuit with capacitor for field controlled thyristor |
| 09/15/1981 | US4290108 Control unit for a converter |
| 09/09/1981 | EP0035379A1 A gate circuit for a thyristor and a thyristor having such a gate circuit |
| 09/02/1981 | EP0034808A2 Circuit arrangement for the compensation of a phase difference |
| 09/01/1981 | CA1108248A1 Solid-state switching circuit employing photon coupling |
| 08/25/1981 | US4286315 Converter apparatus |
| 08/25/1981 | US4286314 Inverter circuit for minimizing switching power losses |
| 08/25/1981 | US4286222 Timing waveform generator |
| 08/19/1981 | EP0033842A2 Method for mains feedback of a line commutated direct converter and control circuit therefor |
| 08/04/1981 | US4282568 Electric power converting apparatus |
| 07/07/1981 | US4277825 Converter apparatus |
| 07/07/1981 | US4277824 Start-up circuit |
| 07/07/1981 | US4277728 Power supply for a high intensity discharge or fluorescent lamp |
| 07/07/1981 | CA1104660A1 Load responsive trigger interval control for induction heating apparatus having inversely parallel connected thyristors |
| 07/07/1981 | CA1104649A1 Controllable rectifier circuit for a power supply |
| 07/07/1981 | CA1104646A1 Apparatus for matching the control arrangement for the direct voltage of an inverter station to the control path |
| 07/01/1981 | EP0031083A1 Voltage divider circuit for parallel connection to a thyristor |
| 06/30/1981 | CA1104208A1 Phase control apparatus |
| 06/24/1981 | EP0030855A2 Base current control means for a switching transistor |
| 06/23/1981 | US4275430 DV/DT Protection circuit device for gate turn-off thyristor |
| 06/23/1981 | CA1103748A1 High power factor conversion circuitry |
| 06/16/1981 | US4274137 Inverter circuits |
| 06/16/1981 | US4274135 Gating circuit for high voltage thyristor strings |
| 06/09/1981 | US4272814 Apparatus for compensation of commutation dips in synchronizing voltage curves |
| 06/09/1981 | CA1102872A1 Self-powered remote electric switch |
| 06/03/1981 | EP0029525A1 Rectifier element |
| 05/26/1981 | US4270164 Short circuit protection for switching type power processors |
| 05/26/1981 | US4270078 Method and apparatus for a variable frequency inverter system having commutation fault detection and correction capabilities |
| 05/20/1981 | EP0028890A1 Improved digital gate pulse generator for static power converters |
| 05/20/1981 | EP0028784A1 Thyristor valve for high-voltage power converters |
| 05/19/1981 | US4268899 Bridge-doubler rectifier |
| 05/19/1981 | CA1101565A1 Semiconductor switch |
| 05/14/1981 | WO1981001261A1 Solid state control for motor-generator welder |
| 05/12/1981 | US4267570 Control unit for multi-phase static converter |
| 04/28/1981 | US4264830 Switching circuit for high-voltage thyristors |
| 04/28/1981 | CA1100200A1 Circuit for compensating harmonic currents in an electric consumer |
| 04/21/1981 | US4263645 Self-starting carrier subscriber power supply |
| 04/21/1981 | US4263557 Power converter control |
| 04/07/1981 | CA1098978A1 Semiconductor switch circuit |
| 04/02/1981 | WO1981000936A1 Apparatus for providing multiphase current |
| 04/01/1981 | EP0026033A1 D.C. power supply |
| 03/31/1981 | US4259716 Transformer for use in a static inverter |
| 03/31/1981 | US4259594 Electrical power supply apparatus |
| 03/25/1981 | EP0025770A1 Circuitry for suppressing ignition pulses of thyristors arranged in parallel |
| 03/18/1981 | EP0025291A1 A semiconductor switch device suitable for a.c. power control |
| 03/18/1981 | EP0025074A1 Method for turning off a thyristor and semiconductor device for carrying out said method |
| 03/10/1981 | US4255775 Electrostatic precipitator rapper control system with enhanced accuracy |
| 03/10/1981 | US4255675 Circuit arrangement for reducing the recovery time of a thyristor |
| 02/24/1981 | US4253139 Power conversion and regulation system |
| 02/03/1981 | CA1095184A1 Semiconductor junction-isolated pnpn crosspoint switch |
| 02/03/1981 | CA1095125A1 Circuit for detecting conductive thyristor |
| 02/03/1981 | CA1095122A1 Phase control arrangement of valve convertor |
| 01/27/1981 | US4247888 Static convertor apparatus |
| 01/20/1981 | US4246634 Start-up circuit for switch mode power supply |
| 01/13/1981 | US4245293 Power converter system |
| 01/13/1981 | US4245292 Method of digital control of m-phase thyristor-pulse d-c converters and apparatus for effecting same |
| 01/07/1981 | EP0021714A1 Rectifier power-supply circuits |
| 12/23/1980 | US4241395 Non-dissipative DC active filter and transformer |
| 12/23/1980 | CA1092190A1 Six-pulse rectifier circuit |
| 12/16/1980 | US4239985 Trigger circuit for a thyristor |
| 12/10/1980 | EP0019798A1 Circuit for improving the firing angle symmetry of the firing pulses provided by a control element to a multiphase rectifier |
| 12/09/1980 | US4238723 Power control system |
| 12/09/1980 | US4238688 Three-phase uninterruptible power supply maintaining reserve energy sources in idling condition with unbalanced loads |
| 11/26/1980 | EP0019471A1 Transistor switching circuit |
| 11/25/1980 | US4236200 Semiconductor circuit having a series-connected reactor |
| 11/25/1980 | US4236198 Switching regulator |
| 11/25/1980 | CA1090422A1 Monitoring the conduction cutoff phase angles in rectifiers |
| 11/25/1980 | CA1090416A1 Method ad apparatus for shutting down an inverter |
| 11/25/1980 | CA1090411A1 Dimmer control circuit |
| 11/04/1980 | US4232238 Rectifier assembly for AC generators for use with vehicles |
| 11/04/1980 | US4232234 Semiconductor switch circuit |
| 10/28/1980 | US4231083 Power conversion apparatus |
| 10/28/1980 | US4230955 Method of and apparatus for eliminating priming and carrier sweep-out losses in SCR switching circuits and the like |
| 10/15/1980 | EP0016762A1 Device for smoothing an output voltage of an electric generator. |
| 10/14/1980 | CA1087695A1 Multi-mode control logic circuit for solid state relays |
| 09/30/1980 | US4225913 Self-referencing power converter |
| 09/23/1980 | US4224660 Composite filter for suppressing harmonic frequencies on electric power transmission lines |
| 09/17/1980 | EP0015649A1 Thyristor |
| 09/16/1980 | US4223236 Gate controlling apparatus for a thyristor valve |
| 09/16/1980 | CA1085919A1 Electronic power control device |
| 09/16/1980 | CA1085916A1 Controlled reactance regulator circuit |
| 09/09/1980 | US4222096 D-C Power supply circuit with high power factor |
| 09/09/1980 | CA1085468A1 Semiconductor switch |
| 09/02/1980 | CA1084993A1 Starting circuit for a pulse width modulated d.c. to d.c. converter |
| 08/12/1980 | US4217618 Thyristor firing circuit module with integral optical isolation, dv/dt limitation, and bidirectional voltage transient suppression |
| 08/05/1980 | US4216487 Bidirectional light-activated thyristor having substrate optical isolation |
| 07/29/1980 | US4215394 Control logic for an inverter ripple controlled power system |