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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03/16/2004 | US6707655 Adaptive protection for recloser control |
03/16/2004 | US6707651 ARC fault or ground fault or ARC fault/ground fault trip signal generator and trip unit employing the same |
03/16/2004 | US6707171 Short-circuiting device |
03/11/2004 | WO2003094319A3 Control sequencing and prognostics health monitoring for digital power conversion and load management |
03/11/2004 | WO2003085951A3 Power supply protection arrangement |
03/10/2004 | EP1396918A2 Ground fault detection system |
03/10/2004 | EP1105901A4 Circuit interrupting system with independent trip and reset lockout |
03/10/2004 | CN1481506A Line differential protection system for power transmission line |
03/10/2004 | CN1481058A 断路器 Breaker |
03/10/2004 | CN1141771C Battery pack protecting circuit and battery pack contg same |
03/10/2004 | CN1141766C Power supply specially for household cinema |
03/10/2004 | CN1141765C Earthing protective method and device for low voltage distribution system |
03/09/2004 | US6704568 Protection system for an electricity network having an infrared data transmission link using the WAP protocol |
03/09/2004 | US6704183 Fault detection in a LED bias circuit |
03/09/2004 | US6704181 Adaptive power circuit protection apparatus and method |
03/09/2004 | US6703842 Method for discriminating abnormal current including arc current in AC load circuit and apparatus for executing the same |
03/04/2004 | WO2004019464A1 Electrical network for surface and submarine vessels for example naval ships and for offshore units |
03/04/2004 | WO2004019463A1 An off-mains device for electrical apparatuses |
03/04/2004 | WO2003025780A9 System and method for journal recovery for multinode environments |
03/04/2004 | US20040042149 Surge lightning protection device |
03/04/2004 | US20040042137 Load recognition and series arc detection using bandpass filter signatures |
03/04/2004 | DE10238481A1 Safety insert support of plastics for strip clamping socket for electric installations has form of safety plug insertable onto strip socket with short circuit safety insert, coupled to thermal safety switch as overload protection |
03/04/2004 | DE10237549A1 Elektrisches Netz für Unter- und Überwasserfahrzeuge, z. B. Marineschiffe, sowie für Offshoreanlagen Electrical network for above and below water vehicles, such. As naval vessels, and offshore installations |
03/04/2004 | DE10237342A1 Verfahren und Vorrichtung zur Fehlerstromüberwachung in einem elektrischen Wechselstromnetz Method and device for fault-current monitoring in an electric alternating current network |
03/03/2004 | EP1394679A1 Improvements relating to technical support systems |
03/03/2004 | EP1393667A1 Dishwasher having a wash chamber lid sealing system |
03/03/2004 | EP1393443A2 Overcurrent detection and protection apparatus for switching element |
03/03/2004 | EP0888662B1 Electromagnetic device |
03/03/2004 | CN2605689Y Body safety protection apparatus for steam shower house at grounding failure |
03/03/2004 | CN2605678Y 3+X shockproof socket (2) |
03/03/2004 | CN2605677Y Socket with leakage cut-off protection function |
03/03/2004 | CN1479424A Inputting overvoltage protection circuit and electric device with the protection circuit |
03/03/2004 | CN1479423A Low voltage digital relay |
03/03/2004 | CN1479304A Method for managing shortage position in data storage medium and recording medium |
03/03/2004 | CN1479301A Method and system for managing shortage position in data storage medium |
03/03/2004 | CN1140949C Electronic control alarm device for residual current protection |
03/02/2004 | US6701262 Current detecting circuit |
02/26/2004 | WO2004017483A1 Method and device for monitoring fault currents in an electric ac mains |
02/26/2004 | WO2004017482A2 System for detecting low voltage in an electric appliance |
02/26/2004 | WO2004017481A1 Sensor protection circuit |
02/26/2004 | WO2003073221A3 Integrated protection, monitoring and control system |
02/26/2004 | WO2003073181A9 Data sample and transmission modules for power distribution systems |
02/26/2004 | US20040040013 Time-based breakpoints in debuggers |
02/26/2004 | US20040039967 Embedded controller for real-time backup of operation states of peripheral devices |
02/26/2004 | US20040039966 Method and apparatus for verifying the correctness of a processor behavioral model |
02/26/2004 | US20040039964 Programmatically serializing complex objects using self-healing techniques |
02/26/2004 | US20040039537 Arrangements to detect and respond to disturbances in electrical power systems |
02/26/2004 | US20040037018 Apparatus and method for determining mis-wiring in a ground fault circuit interrupter |
02/26/2004 | US20040037016 Complex functional device and method of manufacturing the same, and haptic information system and information input apparatus comprising that complex functional device |
02/26/2004 | US20040036480 Automobile multi-purpose DC source protection monitor |
02/26/2004 | US20040036461 Switchgear and relaying configuration |
02/26/2004 | DE10333817A1 Emulationsschnittstellensystem Emulation interface system |
02/26/2004 | DE10141504B4 Vorrichtung zum Erkennen eines Fehlerfalles bei Zwei- oder Mehrspannungsbordnetzen Apparatus for detecting a fault situation in two- or multi-voltage electrical networks |
02/26/2004 | DE10012050B4 Anordnung zum Verstellen von beweglichen Möbelteilen Arrangement for adjusting movable furniture parts |
02/25/2004 | CN1478288A 电路中断装置 Circuit interrupting device |
02/25/2004 | CN1477747A Apparatus for monitoring neutral wire and earth wire, and electric switch device containing the same |
02/25/2004 | CN1477746A Anti-current mutual inductor saturated conventional difference current trajectory scanning and discrimination method |
02/25/2004 | CN1477745A Anti-current mutual-inductor saturated suddenly-changed quantity difference current dynamic recollecting discrimination method |
02/25/2004 | CN1477744A Electric consumption control method of family network system |
02/25/2004 | CN1477664A Four-position integrated A.C. contactor push-button |
02/25/2004 | CN1477632A Block synchronous detector and method |
02/25/2004 | CN1140029C System and method for preventing undesired protective relay tripping actions due to coupling capacitor voltage transformer transients |
02/24/2004 | US6698011 Isolation of program translation failures |
02/24/2004 | US6697244 Fault-current protection device with an overload protection device |
02/24/2004 | US6697243 Under voltage release with an electromagnet and clocked holding current circuit |
02/24/2004 | US6697240 Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection |
02/24/2004 | US6697239 Ground fault circuit interrupter for coaxial drop cable and method of operation |
02/24/2004 | US6697238 Ground fault circuit interrupter (GFCI) with a secondary test switch contact protection |
02/24/2004 | US6697237 Conversion of standard class a ground-fault circuit-interrupters, (GFCI), to a class a ground-fault circuit interrupter with open neutral protection |
02/24/2004 | US6696969 Compact fused disconnect switch |
02/24/2004 | US6696841 Electric power system relay and on-line method of testing same |
02/24/2004 | US6696806 Method and apparatus for facilitating control of a movable barrier operator |
02/19/2004 | WO2004015573A1 Method for meeting smi duration limits by time slicing smi handlers |
02/19/2004 | WO2003085908A3 Method computer-readable medium and systems for resorting traffic during failover in a cable head end |
02/19/2004 | WO2002050971A8 An improved digital protection and control device and method thereof |
02/19/2004 | US20040034871 Apparatus and methods for restoring traffic during failover in a cable head end |
02/19/2004 | US20040034854 Method for meeting SMI duration limits by time slicing SMI handlers |
02/19/2004 | US20040034814 Method and apparatus for creating alternative versions of code segments and dynamically substituting execution of the alternative code versions |
02/19/2004 | US20040032231 Sensorless stall detection for motors |
02/19/2004 | DE10230883A1 Automatische Auswertung von Eigenschaften eines Systems auf Basis von Ablaufprotokollen Automatic evaluation of properties of a system based on runtime logs |
02/18/2004 | EP1389256A2 Method and apparatus for facilitating control of a movable barrier operator |
02/18/2004 | EP1236257B1 Monitoring device for power supplies |
02/18/2004 | EP1064162B1 Method and device for operating an adjusting drive in a motor vehicle |
02/18/2004 | CN2604019Y Transient state attack voltage suppressor |
02/18/2004 | CN2604017Y Transformer type electroshock protector |
02/18/2004 | CN1139251C Detection-digital-signal processor in digital video-disk reproducing device |
02/18/2004 | CN1139166C Method and device for monitoring insulation and fault current in electric AC network |
02/18/2004 | CN1139165C Electronic controller for residual current protection |
02/17/2004 | US6694271 Integrated circuit breaker protection software |
02/17/2004 | US6693779 IDCI with reset lockout and independent trip |
02/17/2004 | US6693368 Power supply system for a motor vehicle having a low-voltage onboard power supply and having a higher-voltage onboard power supply |
02/12/2004 | WO2004013943A1 A control circuit and a method for electrically connecting a load to a power source |
02/12/2004 | WO2004013895A2 Protective relay system having settings provided therein for all protective relay locations in a power system |
02/12/2004 | WO2004013643A2 Ground fault detection system for ungrounded power systems |
02/12/2004 | US20040030954 Method and mechanism for relational access of recovery logs in a database system |
02/12/2004 | US20040030953 Fault-tolerant architecture for in-circuit programming |
02/12/2004 | US20040030870 Software breakpoints with tailoring for multiple processor shared memory or multiple thread systems |
02/12/2004 | US20040027759 Overcurrent detecting circuit |
02/12/2004 | US20040027750 Digital protection and control device |
02/12/2004 | US20040027749 Detection of arcing in dc electrical systems |