| 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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| 02/07/2001 | EP1074081A1 Polarity reversal protection circuit |
| 02/06/2001 | US6184795 Motor controller having dead ended winding detection capability on a single phase line |
| 01/31/2001 | CN2417550Y Contact type self-protective dc phase transferring switch |
| 01/25/2001 | WO2001006272A1 Short circuit detection method, apparatus and motor drive incorporating the same |
| 01/25/2001 | DE19941342C1 IC device with incorrect polarity protection |
| 01/17/2001 | EP1069665A2 Power transmission line and method of control |
| 01/04/2001 | WO2001001540A1 Method for preventing making on electrical short circuits existing in branches and corresponding device |
| 01/04/2001 | DE19928760A1 Reverse polarity protection for intelligent semiconductor switch |
| 12/26/2000 | US6166451 Distributed airbag firing system and interface circuit therefor |
| 12/20/2000 | EP1061628A1 A circuit for connection between a car radio and a motor-vehicle battery |
| 12/20/2000 | EP1061627A2 Electrical ground fault protection circuit |
| 12/12/2000 | US6160381 Battery pack protection circuit and battery pack including a protection circuit |
| 12/06/2000 | EP0979549A4 Electromechanical switching device |
| 11/28/2000 | US6154081 Load circuit having extended reverse voltage protection |
| 11/21/2000 | US6150792 Phase monitor |
| 10/31/2000 | US6141195 Data and/or energy transmission device with a disconnecting unit |
| 10/26/2000 | WO2000064026A1 System for reliable prevention of the restarting of a machine |
| 10/26/2000 | WO2000063608A1 System for reliable prevention of the restarting of a machine |
| 10/25/2000 | EP1046210A1 Battery pack protection circuit |
| 10/25/2000 | EP1046207A1 Polarity reversal protection circuit for a final electronic power stage |
| 10/24/2000 | US6137776 Switching station |
| 10/24/2000 | US6137271 Automatic polarity exchange circuit with current detection feedback capabilities |
| 10/19/2000 | WO2000062395A1 Protective circuit for electronic modules, especially driver modules |
| 10/19/2000 | WO2000062393A1 Protective circuit for an electronic device |
| 10/19/2000 | DE19916321A1 Schutzschaltung für elektronische Bausteine, insbesondere Treiberbausteine Protection circuit for electronic components, in particular driver blocks |
| 10/18/2000 | EP1045501A2 A piloting circuit for an inductive load, in particular for a dc electric motor |
| 10/10/2000 | US6130813 Protection circuit for electronic devices |
| 10/03/2000 | US6127879 Multi-channel overvoltage protection circuit |
| 10/03/2000 | US6127788 High voltage discharge lamp device |
| 10/03/2000 | US6127745 Device for guarding mispolarization of inductive loads |
| 09/28/2000 | DE19913320A1 Inaktivierung sicherheitsgefährdender Kommunikationsgeräte Inactivation safety hazardous communication devices |
| 09/27/2000 | EP1039651A2 Method of deactivating communications devices causing a safety risk |
| 08/10/2000 | DE19905170A1 Electronic, preferably contactless, secure polarity, two-conductor DC switchgear comprises oscillator as presence indicator and inner voltage supply circuit |
| 08/09/2000 | EP1026874A1 Arrangement and method to feed in power to a plurality of circuits or telecommunication lines |
| 08/09/2000 | CN2391205Y Automatic pole exchange apparatus with electric current test feedback function |
| 07/27/2000 | DE19901351A1 Schaltungsanordnung zum Schutz gegen Spannungsverpolung Circuitry to protect against Spannungsverpolung |
| 07/25/2000 | US6094329 DI protective switching device |
| 07/20/2000 | WO2000042688A1 Circuit arrangement for protection against voltage polarity reversal |
| 07/19/2000 | EP0875088B1 Connector for a load to consumer networks |
| 07/18/2000 | US6091591 Di protective switching device |
| 07/05/2000 | EP1016752A2 Electric apparatus capable of turning off a power supply circuit automatically to inhibit resuming of operation until safety is ensured at the time of restoration from abnormal stop |
| 07/05/2000 | CN2386568Y Protecting device for superhigh temp. of electric heating appliance |
| 06/06/2000 | US6072674 Motor controller having automatic swapped lead wiring detection capability |
| 06/06/2000 | US6072249 Power source device |
| 05/31/2000 | DE19853100A1 Power supply circuit has limiting diode in parallel with transistor switching path with control connection connected to voltage source via limiting diode fixing maximum input voltage |
| 05/10/2000 | EP0998776A1 Control circuit for a direct current motor |
| 04/27/2000 | WO2000024107A1 Reverse polarity protection circuit for power output stage with at least one highside semiconductor switch |
| 04/27/2000 | DE19848159A1 Polarity inversion protection circuit for electronic final power stage has n-channel power FET that receives fed back drive voltage(s) from electronics to high side semiconducting switch(es) |
| 04/13/2000 | WO2000021179A1 Battery pack protection circuit |
| 04/13/2000 | CA2312926A1 Battery pack protection circuit |
| 04/05/2000 | CN1249858A Operating device for carrying out switching operations in switching system |
| 03/28/2000 | US6043965 Low loss reverse battery protection |
| 03/22/2000 | EP0987724A2 Hand-held power tool |
| 03/21/2000 | US6040969 Power filter circuit responsive to supply system fault conditions |
| 03/16/2000 | WO2000014847A1 Polarity reversal protection circuit for a final electronic power stage |
| 03/16/2000 | DE19841443A1 Circuitry protected against reverse polarity to sense load current |
| 03/16/2000 | DE19840300A1 Verpol-Schutzschaltung für eine elektronische Leistungsendstufe Reverse polarity protection circuit for an electronic power output stage |
| 03/07/2000 | US6034515 Current limiting circuit |
| 03/07/2000 | US6034447 Connector for consumer networks |
| 03/01/2000 | EP0981849A1 Circuit for the protection of electrical devices |
| 02/29/2000 | US6031700 Ground detector for a static grounding system |
| 02/17/2000 | WO2000008734A1 Circuit and method for polarity reversal protection |
| 02/16/2000 | EP0979549A1 Electromechanical switching device |
| 02/10/2000 | DE19835260A1 Schaltungsanordnung und Verfahren zum Schutz gegen Verpolungen Circuit arrangement and method for protection against reverse polarity |
| 02/08/2000 | US6023418 Low voltage polarity correcting DC to DC converter |
| 01/25/2000 | CA2150425C Power supply protection circuit capable of preventing a failure in a mobile satellite communication apparatus resulting from erroneous connection |
| 01/19/2000 | EP0973239A2 Protective circuit |
| 01/13/2000 | DE19833984A1 Schutzschalteinrichtung Protection switching device |
| 01/12/2000 | EP0970553A1 Operating device for carrying out switching operations in a switching system |
| 01/04/2000 | US6011680 Connector, in particular a plug-in connector for TT and TN networks |
| 01/04/2000 | US6011329 Electrical circuit cycling controller |
| 12/28/1999 | USRE36472 Bridge circuit having polarity inversion protection means entailing a reduced voltage drop |
| 12/23/1999 | DE19827371A1 Protection circuit with driver element e.g. for automobile electric window operating motor |
| 12/09/1999 | DE19817790A1 Verpolschutzschaltung Polarity reversal protection |
| 12/08/1999 | EP0635170B1 Electric vehicle drive train with main contactor protection |
| 12/02/1999 | DE19822748A1 Arrangement for protection against inverse connection of DC supply voltage in vehicle |
| 11/25/1999 | WO1999060683A1 Battery pack protection circuit |
| 11/25/1999 | CA2332846A1 Battery pack protection circuit |
| 11/17/1999 | CN2349716Y Power source converter capable of eliminating low-frequency radiation |
| 11/16/1999 | US5986353 Arrangement for the exclusive connection of electrical loads |
| 11/10/1999 | EP0954894A1 Reverse battery protecting device for the on-board electric network of a vehicle |
| 10/28/1999 | WO1999054983A1 Polarity reversal protection circuit |
| 10/28/1999 | WO1999054982A1 Polarity reversal protection circuit |
| 10/28/1999 | DE19817792A1 Erroneous polarisation protection circuit for power switch and smart-power MOSFET |
| 10/26/1999 | US5973896 Shock and arc protection device for an electrical distribution system |
| 10/19/1999 | US5969919 Drive unit for electric motor |
| 10/13/1999 | EP0949737A2 Reverse battery protection circuit |
| 10/07/1999 | DE19815372A1 Verpolschutzschaltung Polarity reversal protection |
| 10/05/1999 | US5962932 Power supply apparatus with circuit load sensor |
| 09/29/1999 | CN1230305A Switch installation |
| 09/08/1999 | EP0749628B1 Device for monitoring the operation safety of power switches (diagnosis apparatus) |
| 09/01/1999 | CN2336503Y Interface unit capable of preventing IC card holder from attacking system |
| 08/31/1999 | US5946172 Installation for power transmission by means of high-voltage direct current, comprising device for detection of a permanent ground fault |
| 08/31/1999 | CA2030620C Marine power y-adapter |
| 08/26/1999 | DE19806311A1 Device for switching inductive load, such as solenoid valve in motor vehicle |
| 08/24/1999 | US5943198 Electrical fault interrupt circuits |
| 08/17/1999 | US5939863 Power circuit providing reverse battery protection and current and temperature sensing |
| 08/10/1999 | US5936828 110 volt to 200 volt adaptor |
| 07/27/1999 | US5930096 Overvoltage and surge protection circuit in a hard disk drive |
| 07/21/1999 | EP0929932A1 Control circuit for a dc motor |