| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
|---|
| 05/08/1985 | EP0139870A1 Ripple reduction in DC power supply circuits |
| 05/07/1985 | CA1186755A1 Voltage controlled oscillator |
| 05/02/1985 | EP0139463A1 Electromagnetic feeder drive control apparatus |
| 04/17/1985 | EP0137249A2 Compensated ramp generating circuit for controlling SCR firing |
| 04/16/1985 | US4511957 Power converter |
| 04/09/1985 | US4510564 Synchronously detected DC/DC converter for regulated power supply |
| 04/02/1985 | US4509108 Three phase a.c. to d.c. voltage converter with improved power line harmonic current reduction |
| 03/28/1985 | WO1985001400A1 Minimization of harmonic contents for mains operated solid state inverters driving gas discharge lamps |
| 03/26/1985 | CA1184597A1 Ac power control circuit |
| 03/20/1985 | EP0134508A1 Energy saving circuit for a controllable electrical valve |
| 03/20/1985 | EP0134433A1 Control circuit for pulse current devices |
| 03/19/1985 | CA1184242A1 Pulse generating system |
| 03/12/1985 | US4504898 Start-up transient control for a DC-to-DC converter powered by a current-limited source |
| 03/12/1985 | US4504779 For supplying power from a DC power supply |
| 03/12/1985 | US4504742 Electrical switching device |
| 02/26/1985 | US4502085 Power amplifier with controllable lossless snubber circuit |
| 02/26/1985 | CA1183214A1 Electric filter equipment |
| 02/12/1985 | US4499534 Control system for controlling an SCR network to regulate three-phase A-C power flow |
| 02/12/1985 | US4499533 Power supply apparatus |
| 01/29/1985 | US4497017 Switching regulator off-line starting circuit |
| 01/23/1985 | EP0131815A1 AC motor drive |
| 01/23/1985 | EP0131758A2 High voltage thyristor valve |
| 01/16/1985 | EP0131102A2 Variable frequency controller |
| 01/15/1985 | US4494182 Commutation detection apparatus and method |
| 01/15/1985 | US4494178 Power supply circuit |
| 01/15/1985 | US4494173 Three-dimensional insulating structure for high voltage components |
| 01/15/1985 | US4494064 Direct current inrush limiting circuit |
| 01/08/1985 | CA1180756A1 Output filter having swinging inductor |
| 01/02/1985 | EP0129909A2 Method and apparatus for controlling reverse-conducting GTO thyristor |
| 01/01/1985 | US4491903 Combination low-pass filter and high frequency transient suppressor |
| 12/27/1984 | EP0129133A1 Power supply circuit for electrical apparatuses with automatic mains supply selection |
| 12/27/1984 | CA1180052A Circuit for generating a sinusoidal synchronisation voltage for firing thyristors |
| 12/27/1984 | CA1180051A Multilevel pwm inverter |
| 12/25/1984 | US4490780 Digital power converter |
| 12/19/1984 | EP0128492A2 Method of measuring the D.C. level of the output of an A.C.-to-D.C. power converter |
| 12/18/1984 | US4489372 Optical gate signal generating apparatus and thyristor converter apparatus including the same |
| 12/18/1984 | US4489370 High capacity dc-dc voltage converter suitable for charging electronic camera flash lamps |
| 12/11/1984 | US4488214 High-power, high-frequency inverter system with combined digital and analog control |
| 12/11/1984 | US4488211 Harmonic and pulsation reducing circuit used in a multiplex polyphase rectifier circuit |
| 12/11/1984 | US4488059 Semiconductor switch device |
| 11/28/1984 | EP0126180A2 Circuit for reducing harmonics and pulsation in multiplex polyphase rectifying circuits or inverters, respectively provided with interphase reactors |
| 11/21/1984 | EP0125385A1 Arrangement for generating regulated and/or adjustable DC voltages or DC currents |
| 11/21/1984 | EP0125278A1 Power supply having a dc imput power source and pulsed current supplying stages. |
| 11/14/1984 | EP0124719A1 Current-type GTO/inverter |
| 11/13/1984 | US4482854 Inverter circuit |
| 11/13/1984 | CA1177890A1 Control circuitry for gated diode switches |
| 11/06/1984 | US4481565 Core reset for single-ended dc-to-dc converter |
| 11/06/1984 | US4481429 Bias supply for A.C. line powered apparatus |
| 10/30/1984 | US4480297 Synchronizing circuit for push-pull inverter |
| 10/16/1984 | US4477867 Pulse width modulated power supply |
| 10/02/1984 | US4475046 Ignition equipment for light ignition thyristors |
| 09/27/1984 | WO1984003805A1 Ac voltage stabilizer easily convertible into uninterruptible power supply (ups) |
| 09/26/1984 | EP0119452A2 Heat power regulation circuit arrangement for a heating element |
| 09/26/1984 | EP0119381A1 Commutation detection scheme |
| 09/25/1984 | US4473858 Firing circuit for power thyristors |
| 09/25/1984 | CA1175097A1 Method for limiting voltage across series-connected thyristors of high-voltage rectifier |
| 09/19/1984 | EP0118966A1 AC voltage stabilizer easily convertible into uninterruptible power supply (UPS) |
| 09/18/1984 | US4472672 High power factor switching-type battery charger |
| 09/12/1984 | EP0118054A1 Switching power supply with DC input |
| 09/11/1984 | US4471423 Multi-voltage DC output with single reactor voltage control |
| 09/05/1984 | EP0117668A1 Firing-angle control in inverters |
| 09/04/1984 | US4469082 Pulse width control circuit in which a feedback amount is varied depending upon an operating temperature |
| 08/28/1984 | US4468724 Method and apparatus for controlling load current |
| 08/22/1984 | EP0116461A1 Control system for an AC/DC convertor |
| 08/21/1984 | US4467268 Digitally controlled power supply |
| 08/14/1984 | US4466053 Thyristor converter drive |
| 08/14/1984 | US4466038 Hybrid power switch |
| 08/07/1984 | US4464711 Gate pulse phase shifter |
| 08/07/1984 | US4464620 Circuit for generating a sinusoidal synchronization voltage for firing thyristors |
| 08/07/1984 | US4464619 Circuit arrangement for the controlled supply to a load |
| 07/31/1984 | US4463415 Timing generator for use with multi-phase control rectifier systems |
| 07/31/1984 | US4463269 Pump drive circuit |
| 07/31/1984 | CA1171907A1 Pulsed thyristor trigger control circuit |
| 07/24/1984 | US4462071 Supply system |
| 07/18/1984 | EP0038854B1 Solid state control for motor-generator welder |
| 07/17/1984 | US4460951 Control circuit arrangement for a self-start power supply |
| 07/10/1984 | US4459652 Phase-on ride-through control circuit |
| 07/04/1984 | EP0112740A1 Electronic control circuit for a multi-mode apparatus comprising a mechanism with an electromagnet |
| 06/27/1984 | EP0112096A2 Gate circuit for gate turn-off thyristor |
| 06/27/1984 | EP0112007A1 Gate turn-off thyristor failure detection circuit |
| 06/26/1984 | US4456949 Overlap control system for push-pull switching mode inverter power supply |
| 06/19/1984 | US4455598 Automatic device for compensation of AC polyphase power line voltage variations in AC-DC converters |
| 06/19/1984 | US4455597 Thyristor matrix having at least four columns |
| 06/05/1984 | US4453205 DC/AC Converter with shunt regulated load |
| 06/05/1984 | US4453123 System for providing a firing signal to an electrical power switch |
| 05/29/1984 | CA1168307A1 Voltage divider for a thyristor valve control circuit |
| 05/24/1984 | WO1984002041A1 High-power, high-frequency inverter system with combined digital and analog control |
| 05/22/1984 | US4450514 Switched mode power supply |
| 05/16/1984 | EP0108662A1 Base control circuit for a power transistor |
| 05/16/1984 | EP0108391A2 Optically controlling apparatus |
| 05/08/1984 | US4447867 Multiphase inverter drive circuit with synchronized switching delay feature |
| 05/08/1984 | US4447744 Control circuitry for high voltage solid-state switches |
| 05/02/1984 | EP0107266A1 Output filter having swinging inductor |
| 05/01/1984 | US4446512 Circuitry for sine wave reconstruction |
| 04/24/1984 | CA1166309A1 Thyristor valve for a high voltage convertor |
| 04/17/1984 | US4443712 Switch device for connecting AC power source to load |
| 04/04/1984 | EP0104385A1 Constant current generator |
| 04/03/1984 | US4441148 Power converting device and a protection device for the same |
| 04/03/1984 | US4441063 For a variable speed motor |
| 03/27/1984 | US4439822 Method and apparatus for detecting and preventing impending magnetic saturation in magnetic materials |