Patents
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)
08/2004
08/05/2004US20040153775 Method, system, and apparatus for utilizing device-specific diagnostic settings within a standard management platform
08/05/2004US20040153761 Method of data backup and recovery
08/05/2004US20040153758 Protective relay system having settings provided therein for all protective relay locations in a power system
08/05/2004US20040153757 Alternate server system
08/05/2004US20040153746 Mechanisms for embedding and using integrity metadata
08/05/2004US20040153741 Fault tolerant computer, and disk management mechanism and disk management program thereof
08/05/2004US20040153740 Methods for controlling storage devices controlling apparatuses
08/05/2004US20040153725 ROM redundancy in ROM embedded DRAM
08/05/2004US20040153722 Error correction code circuit with reduced hardware complexity
08/05/2004US20040153721 Method for controlling storage system
08/05/2004US20040153719 Method for controlling information processing system, information processing system and information processing program
08/05/2004US20040153717 Apparatus and method for enhancing data availability by implementing inter-storage-unit communication
08/05/2004US20040153712 Technical support systems and methods for use in providing technical support
08/05/2004US20040153710 Multiple hierarichal/peer domain file server with domain based, cross domain cooperative fault handling mechanisms
08/05/2004US20040153690 Error reporting and correcting method for peripheral
08/05/2004US20040153558 System and method for providing java based high availability clustering framework
08/05/2004US20040153215 Fault control and restoration in a multi-feed power network
08/05/2004US20040150929 Overvoltage transient protection for low side circuits
08/05/2004US20040150926 High-power ultracapacitor energy storage pack and method of use
08/05/2004US20040150410 Smart wire harness for an electrical circuit
08/05/2004DE10360957A1 Programmable control unit with application program memory and which carries out cyclic operations after a faulty data section has been reproduced
08/05/2004DE10301905A1 Security switch for electric motor vehicle, has power output controlled by switch with circuit having normal operating and monitoring conditions
08/05/2004DE10297094T5 Aktiver Strom/Erde ESD Trigger Active power / ground ESD trigger
08/05/2004CA2514197A1 Gfci receptacle having plug blocking means
08/04/2004EP1443624A1 Fault control and restoration in a multi-feed power network
08/04/2004EP1443622A2 Arc fault detector and method for locating an arc fault
08/04/2004EP1443401A2 Progressive extended compression mask for dynamic trace
08/04/2004EP1443336A2 Method of detecting a branch with an earth fault
08/04/2004EP1285483B1 Semiconductor component
08/04/2004CN2631089Y Leakage protecting device with energy-saving circuit
08/04/2004CN2631088Y Residual current circuit breaker for pulsating direct current
08/04/2004CN2631087Y Digital comprehensive protection monitor for feed switch
08/04/2004CN2631069Y Line plug
08/04/2004CN1518183A Overcurrent detecting circuit and its delay circuit
08/04/2004CN1518182A Insulation diagnostic device
08/04/2004CN1518181A Earth leakage protective device and electric switch including the protective device
08/04/2004CN1518032A Automatic reset earth leakage breaker
08/04/2004CN1517947A Nonvolatile memory
08/04/2004CN1517824A Power-supply device and its control method
08/03/2004US6772364 Fault tolerant field updating with alternation of memory areas
08/03/2004US6772287 Storage control unit and storage system
08/03/2004US6772135 Systems and methods for monitoring an application processor
08/03/2004US6771843 Data timeline management using snapshot volumes
08/03/2004US6771152 Pivot point reset lockout mechanism for a ground for fault circuit interrupter
08/03/2004US6771079 Automobile multi-purpose DC source protection monitor
08/03/2004CA2456647A1 Circuit interrupting device line load reversal sensing system
07/2004
07/29/2004WO2004064224A2 Energy calculation methods in power distribution systems
07/29/2004WO2004064219A2 Circuit protection system
07/29/2004WO2004064218A2 Circuit protection system
07/29/2004WO2004063861A2 Locator devices and methods for centrally controlled power distribution systems
07/29/2004WO2004010083A3 Sensors isolated by an intrinsically safe barrier
07/29/2004US20040148551 Data processing apparatus having error concealment function
07/29/2004US20040148542 Method and apparatus for recovering from a failed I/O controller in an information handling system
07/29/2004US20040145844 Bypass circuit for the overcurrent trip of a low-voltage power circuit breaker
07/29/2004US20040145842 Apparatus for and method of ground fault detection
07/29/2004US20040145841 Earth leakage protection device and electrical switchgear unit comprising such a device
07/29/2004US20040145840 Method and apparatus for detecting electrical faults and isolating power source from the electrical faults
07/29/2004DE10302456A1 Computer device for safety-critical applications has at least a processor unit and memory unit with both units situated on the same chip surface
07/29/2004DE10237342B4 Verfahren und Vorrichtung zur Fehlerstromüberwachung in einem elektrischen Wechselstromnetz Method and device for fault-current monitoring in an electric alternating current network
07/28/2004EP1441429A1 Differential protection device and apparatus for switching off comprising such a device
07/28/2004EP1125004B1 System with selected current level for active protection against corrosion of the vessel of a water heater or similar appliances
07/28/2004CN2629306Y Electronic automatic safety circuit breaker
07/28/2004CN2629305Y Multifunction electric safety protector
07/28/2004CN2629304Y Anti-electric wall device for kitchen ventilator controlled by single-chip machine
07/28/2004CN2629206Y Intelligent plastic shell leakage circuit breaker
07/28/2004CN1516938A System and method for aligning data between local and remote sources thereof
07/28/2004CN1516319A Master control automatic electric appliance turn-off device
07/28/2004CN1515235A Eye microsurgery system adopting flash EEPROM and reprogramming module
07/28/2004CN1159824C Power supply module for communication
07/27/2004US6769075 Method and apparatus for performing emergency shutdown of a malfunctioning computer system saving all open files, data, and work in progress
07/27/2004US6768623 IC excess current detection scheme
07/27/2004US6768622 Method and apparatus for providing thermal shutdown and current limiting protection
07/27/2004US6768620 Adaptive reclosing method using variable dead time control algorithm in power transmission line
07/27/2004US6768619 Low-voltage-triggered SOI-SCR device and associated ESD protection circuit
07/27/2004US6768617 Setpoint silicon controlled rectifier (SCR) electrostatic discharge (ESD) core clamp
07/27/2004US6768616 Electrostatic discharge protection structures for high speed technologies with mixed and ultra-low voltage supplies
07/27/2004US6768313 Method for detecting tracking short
07/22/2004WO2004062055A2 Digital protective relay for power systems with operator-initiated record keeping capability
07/22/2004US20040143777 Identifying solutions to computer problems in main system by service system
07/22/2004US20040141267 Electrostatic discharge circuit and method therefor
07/22/2004US20040141265 Voltage monitor for ground fault circuit interrupter
07/22/2004US20040141264 Reset lockout mechanism and independent trip mechanism for center latch circuit interrupting device
07/22/2004DE10261450A1 Elektromotor mit integrierter elektronischer Steuereinrichtung Electric motor with integrated electronic control device
07/22/2004DE10155926B4 Leuchteinheit mit einer Sicherungsvorrichtung gegen Stromschlag sowie Verfahren zur Sicherung vor Stromschlägen bei eingeschalteten Lampen Light unit with a safety device to prevent electric shock and methods for protection against electric shock when switched on lamps
07/21/2004EP1439623A2 Auto-reset leakage current circuit breaker
07/21/2004EP1438778A1 Method for monitoring the reversing process of electrically actuatable units
07/21/2004CN2627705Y Digital display overcurrent protective device
07/21/2004CN2627635Y Lightning protection socket
07/21/2004CN1515058A Circuit arrangement for residual-current circuit breaker
07/21/2004CN1514523A 电气设备安全装置 Electrical equipment safety devices
07/21/2004CN1158738C Undervoltage protection method
07/21/2004CN1158737C Undervoltage protection method and protector
07/21/2004CN1158736C Automatic pole exchanging circuit with current detecting feedback function
07/21/2004CN1158735C Full-electronic single-phase short circuit protecting circuit without spark
07/21/2004CN1158686C Electrical switch
07/21/2004CN1158680C 变压器/电抗器 Transformer / reactor
07/20/2004US6766474 Multi-staged bios-based memory testing
07/20/2004US6766472 Systems and methods for replicating virtual memory on a host computer and debugging using the replicated memory
07/20/2004US6766470 Enhancing reliability and robustness of a cluster
07/20/2004US6765787 Device and method for providing electric service