| Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
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| 04/18/2002 | US20020044037 High electrical power current limiter being useful in electrical power systems |
| 04/18/2002 | DE10113081C1 Arrangement for protecting multi-voltage on-board electrical system against breakdown between voltage levels, external crossed polarity has voltage limiting unit for low voltage plane |
| 04/18/2002 | DE10048599C1 Vorrichtung zur elektrischen Energieversorgung von Meldern, Steuer- und Signalisierungseinrichtungen Apparatus for electrical power to detectors, control and signaling devices |
| 04/17/2002 | EP1198047A1 Limiter of electrical power consumed in an installation |
| 04/17/2002 | EP1196975A1 Short-circuiting device |
| 04/17/2002 | EP1110287B1 Protection device for low voltage networks |
| 04/17/2002 | EP1057247A4 Ac power converter |
| 04/17/2002 | CN2487142Y Fault protective relay for neutral line |
| 04/17/2002 | CN1345475A 断路器 Breaker |
| 04/16/2002 | US6373672 Static and monolithic current limiter and circuit-breaker component |
| 04/16/2002 | US6373670 Fault protection apparatus |
| 04/16/2002 | CA2358721A1 Ground fault circuit interrupter |
| 04/16/2002 | CA2193317C Method and apparatus for remote testing of coordination of overcurrent protection devices in an electrical power system |
| 04/11/2002 | WO2002029954A1 Intelligent power distribution panel and fuse |
| 04/11/2002 | WO2002029951A1 Device and method for detecting a jamming situation at moving surfaces in a motor vehicle |
| 04/11/2002 | WO2002029750A1 Device for supplying electrical energy to detectors, control devices and signalling devices |
| 04/11/2002 | WO2001077698A9 Power line testing device with signal generator and signal detector |
| 04/11/2002 | US20020041474 Method for protection of an electrical power line |
| 04/11/2002 | US20020041213 PLL circuit |
| 04/11/2002 | DE10048602A1 Vorrichtung und Verfahren zur Detektion einer Einklemmsituation bei bewegten Flächen am Kraftfahrzeug Apparatus and method for detecting a jamming situation with moving surfaces on the vehicle |
| 04/10/2002 | EP1195876A2 Digital protective relay system |
| 04/10/2002 | EP1195875A2 Method for identification of a faulting or faulted sending end or feeder branch in an electrical distribution system such as a compensated network |
| 04/10/2002 | EP1195874A2 Method for identification of a faulting or faulted sending end or feeder branch in an electrical distribution system |
| 04/10/2002 | EP1195873A1 Protection method of an electrical line |
| 04/10/2002 | EP1195772A1 Fuse circuit |
| 04/10/2002 | EP0922321B1 Circuit arrangement for monitoring of an electronic tripping device for low voltage switches |
| 04/10/2002 | CN2485853Y Eliminator for electromagnetio radiation from computer and electrical appliance |
| 04/10/2002 | CN2485531Y Wiring device |
| 04/10/2002 | CN1344052A Switch with electric damage protection before starting |
| 04/10/2002 | CN1344051A Protector and communicating device |
| 04/10/2002 | CN1344050A Two-line controlled protection switch |
| 04/10/2002 | CN1344000A Universal network matchable digital rated value plug of circuit breaker electronic tripping operation unit |
| 04/10/2002 | CN1082737C Connection in particular plug-in connector for TT and TN networks |
| 04/09/2002 | US6370659 Method for automatically isolating hardware module faults |
| 04/09/2002 | US6370658 Device for testing digital signal processor in digital video disc reproducing apparatus |
| 04/09/2002 | US6370001 Circuit protector with self-test circuit |
| 04/09/2002 | US6369997 Current limiter for a network |
| 04/09/2002 | US6369996 Fault protection scheme |
| 04/09/2002 | US6369460 Power supply monitoring apparatus for vehicle |
| 04/09/2002 | CA2284418C Arc fault circuit interrupter without dc supply |
| 04/09/2002 | CA2026401C Solid state overload relay |
| 04/04/2002 | US20020039026 Power line testing device with signal generator and signal detector |
| 04/04/2002 | DE10044312A1 Steuerschaltung und Verfahren zur Steuerung einer Schließeinrichtung Control circuit and method for controlling a closing device |
| 04/03/2002 | EP1193823A2 Method for frequency protection of electric network component, and frequency relay |
| 04/03/2002 | EP1193579A2 Control system and method for controlling a closing device |
| 04/03/2002 | EP1036398B1 Electromagnetic relay |
| 04/03/2002 | EP1004161B1 Fault-current protective switchgear |
| 04/03/2002 | CN2484686Y Digital intelligent line measuring controlling instrument |
| 04/03/2002 | CN1082283C Switching arrangement for communications channel |
| 04/02/2002 | US6366864 Adaptive sampling rate based on power system frequency |
| 04/02/2002 | US6366437 Current limiter for a network |
| 04/02/2002 | CA2263975C Numeric keypad simulated on touchscreen |
| 04/02/2002 | CA2244852C Communication system comprising lightning protection |
| 03/28/2002 | WO2002025791A2 Apparatus and method for detecting a short circuit in a lighting system |
| 03/28/2002 | WO2001095453A3 Fault current and differential current detection system capable of preventing spurious triggering of a protection system due to transient interference pulses |
| 03/28/2002 | WO2001082437A3 Method and apparatus for detecting ground fault current |
| 03/28/2002 | US20020038437 Systems and methods for replicating virtual memory on a host computer and debugging using the replicated memory |
| 03/28/2002 | US20020038169 Control system for bathers with ground continuity and ground fault detection |
| 03/27/2002 | EP0927447B1 Actuator, in particular an electric motor gear drive system, for moving closure parts operated by extraneous force |
| 03/27/2002 | EP0783786B1 AC load control device having a graphical display |
| 03/27/2002 | CN2483878Y Microelectronic motor protector with high performance price ratio |
| 03/27/2002 | CN2483876Y Residual current action circuit breaker |
| 03/27/2002 | CN2483875Y Protector for electric appliance circuit |
| 03/27/2002 | CN2483874Y Electronic high-voltage circuit breaker |
| 03/27/2002 | CN2483859Y Socket |
| 03/27/2002 | CN1341860A Device and method for determining local short-circuit |
| 03/26/2002 | US6362584 Virtual sensor for window position |
| 03/26/2002 | CA2252393C Coaxial cable protection device |
| 03/21/2002 | WO2002023709A1 A method and a device for controlling the operation of an actuator unit |
| 03/21/2002 | WO2002023690A1 Large current watchdog circuit for a photodetector |
| 03/21/2002 | WO2001097357A3 Electronic protective relay with variable and fixed delay tally time of current protection |
| 03/20/2002 | EP1189324A2 World wide web enabled and digital rating plug for electronic trip unit in circuit breakers |
| 03/20/2002 | EP1188240A1 Load control system having an overload protection circuit |
| 03/20/2002 | EP1188211A1 An electrical machine winding ground-fault protection system |
| 03/20/2002 | EP1188075A1 Transient monitoring system and method |
| 03/20/2002 | EP1119891A4 A protective relay-based monitoring system of dc power within an electric power substation |
| 03/20/2002 | EP1044502B1 Method and device for short-circuit and overload circuit breaking using a semiconductor component |
| 03/20/2002 | EP0815630B2 Electrical differential protection apparatus with a test circuit |
| 03/20/2002 | CN1340893A Switch type power supply protective circuit in electronic equipment |
| 03/20/2002 | CN1340761A Programming method for input and output adapter equipment to reach optimum performance |
| 03/20/2002 | CN1081401C Simple leakage, breaking and overcurrent protection circuit |
| 03/20/2002 | CN1081400C Special IC chip for security controller |
| 03/19/2002 | US6360334 Method and apparatus for verifying a software configuration of a distributed system |
| 03/19/2002 | US6360330 System and method for backing up data stored in multiple mirrors on a mass storage subsystem under control of a backup server |
| 03/19/2002 | US6359888 Method for detecting invalid packets by rewriting transaction identifers |
| 03/19/2002 | US6359763 Monitoring apparatus for electrical circuits |
| 03/19/2002 | US6359408 Low cost object detection circuit for vehicle closure |
| 03/14/2002 | US20020032879 Fault-tolerant architecture for in-circuit programming |
| 03/14/2002 | US20020032026 Protection system for an electricity network having an infrared data transmission link using the wap protocol |
| 03/14/2002 | US20020030958 Protection against fault situations in a telecommunications network |
| 03/14/2002 | US20020030953 Circuit interrupting system with independent trip and reset lockout |
| 03/14/2002 | DE10041879A1 Load current measurement method in on-board power supply of vehicle, involves connecting fuse element parallel to load, where fuse element acts as shunt resistor |
| 03/13/2002 | EP1187290A1 Overvoltage protection device |
| 03/13/2002 | EP1187289A1 Control device for an electric motor powered by ac |
| 03/13/2002 | EP1187288A2 Device and method for determining rare short circuit |
| 03/13/2002 | EP1186086A1 Current distribution system |
| 03/13/2002 | EP1186085A1 Electromotive drive |
| 03/13/2002 | EP1186084A1 Electrical circuit breaker for protecting against overcurrents |
| 03/13/2002 | EP1185993A1 A method for overcurrent protection in a superconducting cable |
| 03/13/2002 | CN2482256Y Phase-interruption leakage circuit breaker |