| Patents for H02J 1 - Circuit arrangements for dc mains or dc distribution networks (12,155) |
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| 05/18/1989 | WO1989004562A1 Power supply system for segmented loads |
| 05/10/1989 | EP0315366A2 A regulated dc power supply having master and slave regulators |
| 05/02/1989 | US4827149 Operation halting circuit |
| 04/25/1989 | US4825349 Emergency D.C. power supply with the emergency state being indicated by polarity reversal |
| 04/24/1989 | EP0287645A4 Inductive coupled power system. |
| 03/29/1989 | EP0308765A1 Process and device for the determination of the real value of an inverter's extinction angle |
| 03/21/1989 | US4814963 Modular power supply with variable input voltage and output voltage flyback power modules |
| 02/28/1989 | US4809163 Computer system with power control based on the operational status of terminals |
| 02/15/1989 | EP0303020A2 Power source control system for a terminal |
| 01/25/1989 | EP0300091A2 Multiple time delay power controller apparatus with time delay turn-on and turn-off |
| 01/11/1989 | EP0298718A2 Relay circuit having a pulse generator for closing contacts |
| 01/10/1989 | CA1248591A1 Battery-powered mobile communications apparatus having transmitter reset function |
| 12/21/1988 | EP0295342A1 Power source device for circuit breaker |
| 12/15/1988 | WO1988009965A1 Quantized duty ratio power sharing converters |
| 11/29/1988 | US4788449 Redundant power distribution |
| 11/22/1988 | US4787022 High voltage power source for a discharge tube |
| 11/16/1988 | CN88102480A Emergency d.c. power supply with emergency state being indicated by polarity reversal |
| 11/02/1988 | EP0289387A1 Direct current power supply aided by an emergency condition indication by inversion |
| 11/02/1988 | EP0289268A2 Power status monitor for electronic system |
| 10/26/1988 | EP0287645A1 Inductive coupled power system. |
| 10/25/1988 | US4780659 High-power, high-voltage direct current power source |
| 10/19/1988 | EP0287305A2 Radio communication apparatus including power supply device |
| 10/18/1988 | US4779184 Switch mode power supply with reduced noise |
| 10/05/1988 | EP0284604A1 Synchronizing circuit for a plurality of power units. |
| 09/06/1988 | US4769555 Multi-time delay power controller apparatus with time delay turn-on and turn-off |
| 08/30/1988 | US4768162 Electronic apparatus having a power control circuit for developing a power disconnection invalidating instruction in order to protect memory contents |
| 08/24/1988 | EP0279168A2 Circuit for the power supply of a multitude of consumers |
| 08/23/1988 | US4766364 Parallel power systems |
| 08/02/1988 | US4761824 Battery-powered mobile communications apparatus having transmitter reset function |
| 08/02/1988 | CA1239988A1 Power supply for providing plural dc voltages |
| 07/26/1988 | US4760564 Analog electronic timepiece with charging function |
| 07/26/1988 | US4760276 Power supply system, for segmented loads, having phantom redundancy |
| 07/26/1988 | US4759803 Doped gallium arsenide type semicondutor layers, first and second metallized conducting path |
| 06/22/1988 | EP0271763A1 Thyristor ignition device |
| 06/21/1988 | US4752865 Power source device for circuit breaker |
| 06/07/1988 | US4750099 Circuit for charging capacitors |
| 05/31/1988 | US4748342 For producing DC supply voltages |
| 05/18/1988 | EP0267189A1 Monitoring circuit for control means and selective breakaway means in modular supply systems. |
| 05/10/1988 | CA1236557A1 Flexible current feeding post |
| 05/03/1988 | US4742424 Power status monitor for electronic system |
| 04/26/1988 | CA1235741A1 Method and system for controlling an ac-dc converter system |
| 04/21/1988 | WO1988002944A1 Inductive coupled power system |
| 03/29/1988 | US4734844 Master/slave current sharing, PWM power supply |
| 03/15/1988 | US4731550 Circuit having a feed circuit for supplying current to a load resistor |
| 03/15/1988 | CA1234221A1 Device for stopping the running of programs being executed in a microprocessor prior to the disappearance of the power supply voltage of the microprocessor |
| 03/08/1988 | US4730287 Power supply for electronic timpiece |
| 03/08/1988 | US4730125 Arrangement for synchronizing the pulse-width-modulated clock signals of several clocked direct voltage converters |
| 02/23/1988 | US4727448 Shutdown control circuit for an electric power supply |
| 02/16/1988 | US4725940 Quantized duty ratio power sharing converters |
| 02/16/1988 | US4725740 For supplying power to a load |
| 02/09/1988 | US4724528 Battery charge level monitor in a computer system |
| 01/28/1988 | DE3624455A1 Power supply device for motor vehicles |
| 01/20/1988 | EP0252953A1 Electrical installation for submarines |
| 01/19/1988 | US4720641 Intelligent electrical power device with monolithic integrated circuit |
| 01/05/1988 | US4718007 Power control method and apparatus for data processing systems |
| 12/29/1987 | US4716359 Output stage control circuit |
| 12/22/1987 | US4714352 Electronic device powered by solar cells |
| 11/12/1987 | DE3704426A1 Device for the redundant DC supply of electrical loads |
| 10/27/1987 | US4703410 Power failure indicator |
| 10/20/1987 | US4701693 Solar battery circuit |
| 10/14/1987 | EP0241202A2 Analog electronic timepiece with charging function |
| 10/14/1987 | EP0240617A1 Power failure indicator |
| 10/06/1987 | US4697909 Power source device with reserve power source for camera |
| 09/30/1987 | CN87100466A Control apparatus for ac-dc converter |
| 09/29/1987 | US4697136 Inverter system for inputting alternating current and direct current in combination |
| 09/29/1987 | CA1227532A1 Power converter control apparatus and power converter control method |
| 09/22/1987 | US4695933 Multiphase DC-DC series-resonant converter |
| 09/16/1987 | EP0237308A2 Capacitor charging circuit |
| 09/09/1987 | EP0235401A1 Power supply switch circuit |
| 09/08/1987 | CA1226623A1 Powered conservation system in battery powered keyboard device including a microprocessor |
| 09/01/1987 | US4691118 Solar power circuit |
| 08/25/1987 | US4689733 Method for reducing dynamic overvoltages in an alternating-current system to which a direct-current system is connected |
| 08/05/1987 | EP0231012A2 Control apparatus for AC-DC converter |
| 07/28/1987 | US4683414 Battery economising circuit |
| 07/21/1987 | US4682294 Electric energy distributing devices comprising microprocessors |
| 07/16/1987 | WO1987004303A1 Electrical installation for submarines |
| 07/14/1987 | US4680689 Three-phase ac to dc power converter with power factor correction |
| 07/09/1987 | DE3600258A1 Elektrische anlage fuer untersee-boote Electrical system for submarine-boats |
| 07/08/1987 | CN86107978A Inverse current transformer system common to ac and dc inputs |
| 06/30/1987 | US4677311 Power supply system for an electronic apparatus having memory |
| 06/24/1987 | EP0226249A1 Power supply circuit |
| 06/23/1987 | US4675539 Backup power system |
| 06/16/1987 | US4673824 Power supply switch circuit |
| 06/09/1987 | US4672585 Device for stopping the running of programs being executed in a microprocessor prior to the disappearance of the power supply voltage of the microprocessor |
| 05/26/1987 | US4669066 Memory data holding circuit |
| 05/26/1987 | US4669059 Method and apparatus in a data processor for selectively disabling a power-down instruction |
| 04/14/1987 | US4658352 Computer system with a back-up power supply |
| 04/14/1987 | US4657119 Device for attaching a component of a strut incorporating an automatic adjustment device for a shoe of a drum brake |
| 03/25/1987 | EP0215348A2 Redundant power supply system |
| 03/17/1987 | US4651020 Redundant power supply system |
| 03/11/1987 | EP0213177A1 Multiphase dc-dc series-resonant converter |
| 03/10/1987 | US4649373 Powered conservation system in battery powered keyboard device including a microprocessor |
| 03/10/1987 | US4649286 Power supply circuit for vehicle |
| 02/26/1987 | WO1987001237A1 Remote control circuit breaker |
| 02/25/1987 | EP0211507A1 Load-dependent current limiter for the power supply of a multi-module electronia system |
| 01/29/1987 | WO1987000701A1 Synchronizing circuit for a plurality of power units |
| 01/29/1987 | WO1987000655A1 Monitoring circuit for control means and selective breakaway means in modular supply systems |
| 01/27/1987 | US4639848 Method and system for controlling an AC-DC converter system |
| 01/21/1987 | EP0209189A2 Arrangement for the synchronisation of the switch times of several switching DC-DC converters |
| 01/21/1987 | EP0208986A1 Compact electric apparatus powered by solar cells, in particular a solar watch |