Patents for H02H 11 - Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result (2,416) |
---|
07/24/1997 | CA2243468A1 Connector for consumer networks |
07/15/1997 | US5648739 Switching device having a polarity reversal protection system |
06/26/1997 | DE19609219A1 Semiconductor diode circuit arrangement as wrong-polarity protection stage for electronic circuits e.g. for vehicle airbag system |
06/24/1997 | US5642251 Protection circuit for DC supply |
06/05/1997 | DE19602121C1 Current limiting circuit, e.g. for power supply or DC-DC converter |
04/29/1997 | US5625518 Clamping circuit with reverse polarity protection |
04/23/1997 | EP0769855A1 Electrical keying circuit for dimmable fluorescent lamps |
04/22/1997 | US5623550 Battery power supply circuit which supplies correct power polarity irrespective of battery orientation |
03/27/1997 | DE19638478A1 Overcurrent protection circuit for electric motor drive system |
03/25/1997 | US5614889 Apparatus and methods for coupling a case of an electric appliance to an external ground and for detecting leakage current |
03/13/1997 | DE19533537A1 Storage battery exhaustive discharge protection for uninterruptable power supply (UPS) |
03/04/1997 | US5608598 Effector with self-compensated contacts for power supply of a receiver circuit |
02/26/1997 | CN2248414Y 智能保安器 Intelligent security device |
01/28/1997 | US5598312 Device for controlling a mechanism driven by a lens one electric motor |
12/27/1996 | EP0749628A1 Device for monitoring the operation safety of power switches (diagnosis apparatus) |
12/17/1996 | US5585990 Electronic motor protection apparatus |
12/11/1996 | CN2242533Y Emergency protective circuit arrangement specially adapted for high voltage or low voltage generator |
12/05/1996 | DE19518318A1 Electrical cable test and protection relay appts. for control of cable to electronic assembly part |
11/28/1996 | WO1996037939A1 Electrical fault interrupt with frayed cord protection |
11/28/1996 | CA2222216A1 Electrical fault interrupt with frayed cord protection |
11/26/1996 | CA2054486C Reservation and interlocking in the operation of electric switching devices |
11/20/1996 | CN1136170A Checking device for wrong wire distribution of power supply |
11/19/1996 | US5576512 Thermoelectric apparatus for use with multiple power sources and method of operation |
11/12/1996 | US5574632 Power supply comprising a circuit for limiting inrush currents |
10/31/1996 | DE19616851A1 Safety device for preventing inadvertent power supply to electrical equipment e.g. power drill |
10/29/1996 | US5570257 Phase sequence wiring protection apparatus |
10/23/1996 | EP0739074A2 Power source miswiring detection apparatus |
10/15/1996 | US5565810 Switch with a first switching element in the form of a bipolar transistor |
10/09/1996 | EP0736950A1 Device for protecting electronic circuits against supply battery disconnection (load dump) and/or overvoltages in the electrical supply circuit of motor vehicles |
09/24/1996 | US5559657 Earth fault circuit breaker |
09/18/1996 | EP0732792A2 Protection against accidental contact for two power supply lines connected to a common load |
09/18/1996 | EP0653111B1 Reverse-polarity protection by means of a protecting element having a reduced surface |
09/12/1996 | WO1996027932A1 Power supply circuit and corresponding mounting configuration |
09/10/1996 | US5555483 For use with a recreational vehicle |
09/05/1996 | DE19506074A1 Circuit to protect vehicle components from inadvertent reversal of battery polarity or from negative voltage spikes |
08/29/1996 | DE19603117A1 Polarity reversal protection circuit e.g. for battery or other DC source |
08/28/1996 | EP0540634B1 Process control instrument with loop overcurrent circuit |
08/20/1996 | US5548464 Electronic motor protection apparatus |
08/20/1996 | US5548462 Protective circuit |
08/13/1996 | US5546264 Reverse voltage protection circuit |
07/31/1996 | CN2232168Y Ground safety device |
07/25/1996 | DE19501985A1 Protection of motor vehicle electronic circuit against reversal of supply polarity |
07/23/1996 | US5539610 Floating drive technique for reverse battery protection |
07/09/1996 | US5535082 Turn-on control circuit for electric devices |
07/09/1996 | US5534782 Automatic reclosing circuit breaker using controllable feeder transducer |
07/02/1996 | US5532898 Line current protection circuit for use with a PCMCIA-architecture modem card |
07/02/1996 | US5532894 Overvoltage protection circuit |
06/25/1996 | US5530611 Photo chopper circuit with fail-safe means |
06/05/1996 | EP0715387A1 Extension cord with multiple sockets and integrated control device for switching the sockets on and off |
05/21/1996 | US5519559 Electronic connection device with reverse polarity protection |
05/21/1996 | US5519557 Power supply polarity reversal protection circuit |
05/14/1996 | US5517379 Reverse battery protection device containing power MOSFET |
05/08/1996 | EP0711014A1 Protective circuit for the power supply and method of use |
05/05/1996 | CA2162101A1 Protection circuit for dc supply |
04/17/1996 | EP0653110B1 Reverse-polarity protection with reduced element surface |
03/21/1996 | WO1996008861A1 Power accessory device |
03/21/1996 | DE4433045A1 Electronic circuit for commercial vehicle airbag system |
03/13/1996 | CN1118530A Overvoltage protection circuit |
03/12/1996 | US5499187 Voltage sensing, autoselecting aircraft power supply interface |
02/07/1996 | CN2219556Y Safety leader circuit controller |
01/18/1996 | DE19525112A1 Electronic connector with polarity reversal protection |
01/17/1996 | EP0692925A2 Overvoltage protection circuit |
01/16/1996 | US5485339 Safety electrical assembly for electric power equipment |
01/10/1996 | CN2217277Y Built-in type arrangement for protection of electricity interruption |
01/02/1996 | US5481211 Automatic polarity switching output circuit |
12/13/1995 | EP0686953A1 LED indicator with low operating voltage and high over-voltage tolerance |
12/08/1995 | CA2150638A1 Led indicator with low operating voltage and high over-voltage tolerance |
12/06/1995 | EP0685916A2 Power supply protection circuit capable of preventing a failure in a mobile satellite communication apparatus resulting from erroneous connection |
11/14/1995 | US5467248 Relay control circuit |
11/14/1995 | US5467240 Driver circuit with diagnostics and over voltage protection |
10/31/1995 | CA1337493C Actuator two-fault tolerance apparatus |
10/18/1995 | EP0677908A2 Apparatus for automatically coupling an internal ground to an external ground |
10/17/1995 | US5459358 Method and apparatus for randomly delayed activation of electrical loads |
10/11/1995 | EP0676846A2 Switch with a bipolar transistor as first switching element |
09/19/1995 | US5451848 Motor drive circuit |
09/14/1995 | WO1995024725A1 Device for monitoring the operation safety of power switches (diagnosis apparatus) |
09/14/1995 | CA2185017A1 Device for monitoring the operational safety of power switches (diagnostic apparatus) |
09/13/1995 | CN2207654Y High voltage earthing protective implement |
09/12/1995 | US5450001 Process and device for safeguarding an alternating current circuit having an electrical load associated therewith |
09/06/1995 | CN2207019Y Safety protection device of power socket |
08/16/1995 | EP0667666A1 Power supply comprising a ciruit for limiting inrush currents |
08/09/1995 | CN1106568A Earth fault circuit breaker |
07/18/1995 | US5434739 Reverse battery protection circuit |
07/05/1995 | EP0661789A2 Phase sequence wiring protection apparatus |
05/23/1995 | US5418678 Manually set ground fault circuit interrupter |
05/17/1995 | EP0653111A1 Reverse-polarity protection by means of a protecting element having a reduced surface. |
05/17/1995 | EP0653110A1 Reverse-polarity protection with reduced element surface. |
05/04/1995 | DE4412274C1 Switch with a first switch element constructed as bipolar transistor |
04/25/1995 | US5410441 Circuit for protecting DC powered devices from improper supply voltages |
02/21/1995 | US5391948 Surge-resistant protection circuit for vehicle |
02/09/1995 | DE4326423A1 Method for decoupling a load from a DC voltage supply source, as well as an arrangement |
02/08/1995 | EP0637866A1 A control and protection device for an electric system |
01/25/1995 | EP0635170A1 Electric vehicle drive train with contactor protection |
01/18/1995 | EP0634826A1 Earth fault circuit breaker |
12/20/1994 | US5375032 Trip control device for circuit breaker |
12/16/1994 | CA2125799A1 Earth fault circuit breaker |
12/14/1994 | EP0629031A2 Reverse battery protection circuit |
11/30/1994 | EP0626745A2 Floating drive technique for reverse battery protection |
11/29/1994 | US5369540 Electric vehicle drive train with contactor protection |
10/26/1994 | EP0621674A1 Effector with self-compensating contacts for the supply of a load circuit |