| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 07/15/1980 | CA1081775A1 D.c. voltage regulated inverter |
| 07/10/1980 | WO1980001445A1 A direct current to direct current converter |
| 07/09/1980 | EP0013005A1 D.C. transformers and multi-terminal D.C. power network utilizing the same |
| 07/08/1980 | US4212053 D.C. to D.C. Converter utilizing resonant inductor to neutralize capacitive losses |
| 07/08/1980 | US4211961 Control circuit for use in control of current supply for electric motor with improved duty controlling oscillator circuit, particularly for electrical vehicle |
| 07/01/1980 | US4210958 DC-DC Converter output stabilizing device |
| 07/01/1980 | US4210947 Protective circuit for a switching regulator |
| 07/01/1980 | US4210858 High frequency high voltage power supply |
| 06/25/1980 | EP0012648A1 Single-pole commutation circuit |
| 06/25/1980 | EP0012576A1 Coupling arrangement for a welding apparatus |
| 06/24/1980 | US4209826 Regulated switching mode power supply |
| 06/24/1980 | US4209738 Regulation circuit |
| 06/17/1980 | US4208706 Switching regulator |
| 06/17/1980 | US4208705 Switching regulated power supply apparatus |
| 06/17/1980 | US4208595 Substrate generator |
| 06/11/1980 | EP0012027A1 DC switching voltage regulator with extended input voltage capability |
| 06/10/1980 | US4207516 Switching regulator with reduced inrush current |
| 06/10/1980 | US4207478 DC Chopper device |
| 06/03/1980 | US4206502 Semiconductor d.c. chopper controllers |
| 06/03/1980 | US4206028 Electrochemical polishing system |
| 06/03/1980 | US4205518 Voltage conversion system for electronic timepiece |
| 05/27/1980 | US4205369 Voltage dropping circuit |
| 05/20/1980 | US4204267 Digital control device for d.c. thyristor-pulse converter |
| 05/20/1980 | CA1078013A1 D.c. pulse width modulated power supply |
| 05/14/1980 | EP0010968A1 Corotron device and electrophotographic machine using the device |
| 05/14/1980 | EP0010811A1 Switching transistor over-voltage protection means |
| 05/13/1980 | CA1077572A1 Nerve stimulating device |
| 05/06/1980 | CA1077136A1 Pulse width modulated power supply circuit |
| 04/30/1980 | EP0010137A1 Substrate polarisation voltage generator circuit |
| 04/29/1980 | US4200908 Device for digital control of polyphase thyristor-pulse converter |
| 04/29/1980 | US4200830 Series resonant battery charger and control therefor |
| 04/29/1980 | US4200825 Digital control device for thyristol-pulse d.c. regulators |
| 04/22/1980 | US4199806 CMOS Voltage multiplier |
| 04/22/1980 | CA1076270A1 Means and method for controlling the neutron output of a neutron generator tube |
| 04/22/1980 | CA1076196A1 Gas fuelled electric lighter |
| 04/15/1980 | US4198660 Supply circuit |
| 04/08/1980 | US4197484 Electronic flash device with voltage display |
| 04/02/1980 | EP0009225A1 Protective circuit |
| 04/01/1980 | CA1074865A1 Transistor switching circuit with feedback inductor |
| 04/01/1980 | CA1074862A1 Switchable very high tension generator |
| 03/25/1980 | US4195335 Switching power supply having a wide range input capability |
| 03/25/1980 | US4195333 DC to DC voltage converter |
| 03/25/1980 | US4195236 Device for discrete control of thyristor-pulse converters |
| 03/19/1980 | EP0008708A1 Circuitry with DC converters connected in parallel |
| 03/18/1980 | US4194238 Power supply apparatus |
| 03/18/1980 | US4194147 Parallel connected switching regulator system |
| 03/11/1980 | CA1073528A1 High voltage dc transformation using an inverter and a rectifier |
| 03/06/1980 | WO1980000394A1 Voltage generator circuitry |
| 03/05/1980 | EP0008539A1 Regulated DC power supply circuits |
| 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 |
| 02/26/1980 | US4190883 Switching-regulated DC-to-DC converter |
| 02/26/1980 | US4190882 System for reducing the effects of power supply switching |
| 02/12/1980 | US4188585 Synchronized receiver power system |
| 02/05/1980 | US4187536 Device for energizing a D.C. motor, comprising an accumulator battery |
| 02/05/1980 | US4187535 Voltage power supply |
| 02/05/1980 | US4187458 Constant power regenerative magnetic switching regulator |
| 01/29/1980 | US4186437 Push-pull switching power amplifier |
| 01/29/1980 | US4186436 Booster circuit |
| 01/29/1980 | US4186434 Means for producing and controlling dead-time of the switching transistors DC-to-DC and DC-to-AC converters |
| 01/22/1980 | CA1070384A1 Inverter radiation suppression |
| 01/15/1980 | US4184197 DC-to-DC switching converter |
| 01/15/1980 | CA1069974A1 Digitally regulated inverter |
| 01/08/1980 | US4183080 DC to DC converter |
| 01/08/1980 | US4183079 DC-AC inverter |
| 01/01/1980 | CA1069177A Constant current series-switching regulator |
| 12/25/1979 | US4180852 Control circuit for use in a switching-type regulator |
| 12/25/1979 | CA1068781A Starting surge current protection circuit |
| 12/18/1979 | US4179728 Capacitor charging circuit |
| 12/18/1979 | CA1068338A1 Scr d.c. interrupter |
| 12/18/1979 | CA1068335A1 Transformer saturation control circuit for a high frequency switching power supply |
| 12/11/1979 | US4178628 Switching type regulated power supply |
| 12/04/1979 | US4177509 Self-excited inverter with suppressed current spikes |
| 11/27/1979 | US4176392 Series induction/parallel inverter power stage and power staging method for DC-DC power converter |
| 11/27/1979 | US4176310 Device comprising a transformer for step-wise varying voltages |
| 11/14/1979 | EP0005311A1 Method and apparatus for regulating the power supplied to an electrical load |
| 11/13/1979 | US4174534 Master-slave voltage regulator employing pulse width modulation |
| 11/06/1979 | US4173779 Single-pole commutation circuit |
| 10/30/1979 | US4173040 DC-to-AC voltage converter |
| 10/30/1979 | CA1065418A1 Solid state microwave isolator circuit |
| 10/23/1979 | US4172277 Chopping control system for a converter in a DC electrical power supply |
| 10/23/1979 | US4172276 Flyback type switching power source device |
| 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 |
| 10/16/1979 | CA1064576A1 High efficiency switching drive for a resonate power transformer |
| 10/09/1979 | CA1064096A1 Regulated strobe with hysteresis |
| 09/25/1979 | CA1063195A1 Inverter circuit including transformer with shielding of undesired radiations |
| 09/25/1979 | CA1063171A1 Control circuit arrangement for generating a control signal for a voltage converter |
| 09/25/1979 | CA1063170A1 Converter utilizing leakage inductance to control energy flow and improve signal wave forms |
| 09/25/1979 | CA1063169A1 Inverter power supply |
| 09/11/1979 | CA1062330A1 Power converter employing non-saturating interphase transformer |
| 09/04/1979 | US4167036 DC voltage converter and shock-type high voltage utilization devices |
| 08/28/1979 | US4166213 Single power supply multiple image intensifier apparatus and method with independently adjustable low light gain and high light saturation level |
| 08/14/1979 | CA1060543A1 Boosting circuit |
| 08/07/1979 | US4164014 Converter power supply apparatus |
| 08/07/1979 | US4163906 Time division switching regulator |
| 08/07/1979 | CA1060096A1 High tension dc source |
| 07/31/1979 | US4163278 Voltage supply circuit responsive to plural possible DC input levels |
| 07/24/1979 | US4162524 DC-DC converter |
| 07/17/1979 | CA1058702A1 Transistor inverter |
| 07/11/1979 | EP0002983A1 Power control circuit and an intermittent voltage supply using such a circuit |