Patents for H02H 11 - Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result (2,416) |
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07/07/1999 | EP0927981A2 Arrangement for data and/or energy transmission with separation unit |
07/01/1999 | DE19756825A1 Polarity reversal protection circuit e.g. for motor-vehicle microprocessor-equipped control device |
06/23/1999 | EP0923801A1 Phase monitor |
06/22/1999 | CA2002908C Universal output circuit |
06/16/1999 | EP0875090B1 Connector, in particular a plug-in connector for tt and tn networks |
06/10/1999 | WO1999028683A1 Air conditioner |
05/26/1999 | EP0918389A2 Low loss reverse battery protection |
05/12/1999 | CN1043392C Earth fault circuit breaker |
05/06/1999 | DE19842438A1 Driver unit for controlling electric motor, for vehicle power steering device |
04/22/1999 | WO1999019958A1 Protective circuit with n-channel mos fet for an electronic circuit |
04/15/1999 | DE19745074A1 Electronic circuit protection device |
04/13/1999 | US5894392 Power distribution unit with individual GFI modules and a line supervisory circuit |
04/08/1999 | DE19743632A1 Method to detect faulty power semiconductor switch in power converter circuit |
03/03/1999 | CN1209913A Connector for consumer networks |
02/17/1999 | CN1208508A Connection in particular a plug-in connector for TT and TN networks |
02/16/1999 | US5872708 Automatic polarity conversion circuit |
02/11/1999 | WO1998047324A3 Safety-enhanced transformer circuit |
02/11/1999 | DE19733707A1 Protection circuit e.g. for polarity reversal in motor vehicle low voltage applications |
02/04/1999 | WO1999005780A1 Control circuit for a dc motor |
02/04/1999 | WO1999005763A1 Control circuit for a direct current motor |
02/04/1999 | DE19733533A1 Monitoring circuit for control of washing machine motor |
02/04/1999 | DE19730338A1 Polarity reversal protection circuit e.g. for automobile and industrial equipment |
02/03/1999 | EP0895263A2 Arrangement for switching on electric loads one at a time |
01/28/1999 | DE19732098A1 Steuerschaltung für einen Gleichstrommotor Control circuit for a DC motor |
01/28/1999 | DE19732094A1 Steuerschaltung für einen Gleichstrommotor Control circuit for a DC motor |
01/21/1999 | DE19727940A1 Equalising circuit for control of power consumer appliances coupled to DC supply |
01/12/1999 | US5859756 Automatic power line monitor and controller system |
01/12/1999 | CA2112517C Safety electrical assembly for electric power equipment |
12/08/1998 | US5847911 Self-protecting switch apparatus for controlling a heat element of a vehicle seat and a method for providing the apparatus |
12/08/1998 | US5847909 Safety-enhanced transformer circuit |
12/08/1998 | US5847525 Control device for asynchronous motor of shutter or roller blind |
12/03/1998 | DE19722017A1 Electrical circuit with earthed electrical component and control apparatus, e.g for vehicle ABS system |
12/01/1998 | US5844759 Electrical shock protection apparatus for an electrical appliance |
11/26/1998 | DE19719919A1 Anordnung zum Schutz von elektrischen Einrichtungen An arrangement for protection of electrical equipment |
11/24/1998 | US5841238 Dimmer protection for compact fluorescent |
11/19/1998 | WO1998052268A1 Circuit for the protection of electrical devices |
11/18/1998 | EP0878982A2 High voltage discharge lamp device |
11/11/1998 | EP0876699A2 Current limiting circuit |
11/04/1998 | EP0875090A1 Connector, in particular a plug-in connector for tt and tn networks |
11/04/1998 | EP0875088A2 Connector for consumer networks |
10/28/1998 | EP0874438A2 Electronic circuit with reverse battery protection |
10/28/1998 | CN1040472C Ground detecting method for inverter device |
10/27/1998 | US5828309 Power source miswiring detection apparatus |
10/22/1998 | WO1998047324A2 Safety-enhanced transformer circuit |
10/13/1998 | US5821601 Bipolar semiconductor integrated circuit with a protection circuit |
10/08/1998 | WO1998044610A1 Operating device for carrying out switching operations in a switching system |
09/17/1998 | WO1998040944A1 Power switch with a circuit for providing auxiliary energy |
09/09/1998 | EP0862808A1 An installation for power transmission by means of high-voltage direct current, comprising device for detection of a permanent ground fault |
09/08/1998 | US5805396 Protection circuit of drive system for motor |
09/01/1998 | US5801461 Device for monitoring the operation safety of power switches |
07/30/1998 | WO1998033255A1 Reverse battery protecting device for the on-board electric network of a vehicle |
07/23/1998 | DE19702116A1 Schutzvorrichtung gegen Falschpolung im elektrischen Bordnetz eines Fahrzeuges Guard against wrong in the electrical system of a vehicle |
07/22/1998 | EP0854555A2 Integrated supply protection |
07/21/1998 | US5783999 Audio warning device for use with a line current protection circuit in a PCMCIA-architecture modem card |
07/21/1998 | US5782098 Freezer control unit |
07/14/1998 | US5781390 Integrated supply protection |
06/09/1998 | US5764465 Electronic circuit arrangement having polarity reversal protection |
06/04/1998 | WO1998024161A1 Electronic shock protection in codsets and electrical distribution systems |
06/02/1998 | US5760499 Safety device for socket which is connected to electrical power supply |
05/26/1998 | US5757600 Reverse battery protection circuit |
05/19/1998 | US5754114 Safety ground detector |
04/29/1998 | EP0838103A1 Electrical fault interrupt with frayed cord protection |
04/02/1998 | WO1998013922A1 Circuit for protection of electronic circuitry against input voltage reversal |
04/02/1998 | DE19640272A1 Polarity protection circuit for IC |
04/01/1998 | EP0833435A1 Control device for asynchronous motor driving a blind or a roller shutter |
03/24/1998 | US5731942 To protect of electrical equipment operating on single phase power supplies |
03/12/1998 | WO1998010501A1 Phase monitor |
03/12/1998 | DE19708019A1 Bipolar integrated semiconductor circuit with cross-polarity connection protection |
03/11/1998 | EP0828406A1 Device for limiting and distributing the electric power used by a cooking hob |
03/04/1998 | EP0827249A2 Safety ground detector |
03/03/1998 | US5723914 Device for preventing an electrical equipment from re-powering after recovery of service interruption |
02/24/1998 | US5721661 Power filter |
02/17/1998 | US5719734 Electronic apparatus |
02/10/1998 | US5716725 Method apparatus for indicating improper coupling of a power source to an electronic device |
02/05/1998 | WO1998005111A1 Switching installation |
02/05/1998 | DE19630614A1 Schaltanlage Switchgear |
02/03/1998 | US5715128 Power supply protection circuit capable of preventing a failure in a mobile satellite communication apparatus resulting from erroneous connection |
01/15/1998 | WO1998001928A1 Electromechanical switching device |
01/13/1998 | US5708551 Electrical distribution device with preventive checking of the state of the load, particularly for civil and industrial users |
12/30/1997 | CA2023369C Image forming apparatus utilizing an ac voltage control circuit |
12/09/1997 | US5696660 Line current protection circuit for use with a PCMCIA-architecture modem card |
12/04/1997 | WO1997045905A1 An installation for power transmission by means of high-voltage direct current, comprising device for detection of a permanent ground fault |
11/12/1997 | EP0806827A1 Reverse battery protection circuit |
11/12/1997 | EP0806825A2 Differential current protection |
10/09/1997 | DE19613249A1 Phase sequence alternation circuit for three=phase induction motor e.g. for compressor or welding equipment |
10/02/1997 | WO1997026695A3 Connector for consumer networks |
09/24/1997 | CN1160180A Freezer control unit |
09/04/1997 | WO1997027657A3 Current limiting circuit |
08/26/1997 | US5661623 Ground fault circuit interrupter plug |
08/26/1997 | US5661420 Mounting configuration for monolithic integrated circuit |
08/20/1997 | CN1157545A Circuit arrangement |
08/19/1997 | US5659243 High isolation, power-on control circuit for aircraft external power connection |
08/14/1997 | DE19604736A1 Power supply for bus-connected controllers and loads in motor vehicle |
08/14/1997 | DE19603411A1 Electrical switching system for LV equipment with short circuit protection e.g. for contactors, protection relays and circuit breakers |
07/31/1997 | WO1997027657A2 Current limiting circuit |
07/24/1997 | WO1997026698A1 Connector, in particular a plug-in connector for tt and tn networks |
07/24/1997 | WO1997026695A2 Connector for consumer networks |
07/24/1997 | DE19601884A1 Verbindungseinrichtung, insbesondere Steckvorrichtung für TT- und TN-Netze Connecting means, in particular plug-in device for TT and TN systems |
07/24/1997 | DE19601878A1 Verbindungsanordnung für Verbrauchernetze A joint structure for consumer networks |
07/24/1997 | CA2243865A1 Connecting device in particular a plug-in device for tt and tn systems |