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)
05/2003
05/14/2003EP1310031A1 Instant tripping device for short circuits in electrical dc and ac networks of surface and underwater vessels, especially combat vessels, and offshore installations
05/14/2003EP1310029A1 Protection for power grid having an infrared data transmission link using the wap protocol
05/14/2003CN2550926Y Leak protective socket
05/14/2003CN1417913A Method and device for detecting and inhibiting parallel arc fault
05/13/2003US6564345 Method for creating defect management information in an recording medium, and apparatus and medium based on said method
05/13/2003US6563683 Electrical switchgear
05/08/2003WO2003038968A1 Method for monitoring the reversing process of electrically actuatable units
05/08/2003US20030088810 Methods and apparatus for determining software component sizes associated with errors
05/08/2003US20030086230 Digital rating plug for electronic trip unit in circuit breakers
05/08/2003US20030086229 Current sense circuit
05/08/2003US20030086228 Compact low AMP electronic circuit breaker or residential load center
05/08/2003US20030086225 Surge suppressor
05/08/2003US20030086224 Circuit breaker for detecting an excessive voltage and tripping responsive thereto
05/08/2003US20030086222 Crossover fault classification for power lines with parallel circuits
05/08/2003US20030086220 GFCI with reverse line/load wiring prevention
05/08/2003US20030085783 Method for locking out a reset mechanism on electrical protective device
05/07/2003EP1309061A2 Multifunctional overvoltage protection device
05/07/2003EP1307956A1 Method and device for localising single-pole earth faults
05/07/2003EP1307753A2 Method and device for identifying and localising high-ohm, single-pole earth faults
05/07/2003EP1183763B1 An electrical machine winding ground-fault protection system
05/07/2003CN2549639Y High voltage and large current safety device on wire distibutor
05/07/2003CN2549638Y High voltage and large current safety device on wire distributor
05/07/2003CN2549637Y Multifunctional powr safety devices
05/07/2003CN2549636Y Electromagnetic power transformer/motor high and low voltage comprehensive protective circuit breaker
05/07/2003CN2549635Y Multifunctional safety device of electrical apparatus
05/06/2003US6560084 Circuit breaker having programmable amplifier
05/06/2003US6560081 Electrostatic discharge (ESD) protection circuit
05/06/2003US6560079 Ground loss detection for electrical appliances
05/06/2003US6559652 Method of statistically balancing current transformer measurements for differential busbar protection
05/06/2003US6559622 System for preventing overreach of protection for series compensated power lines
05/02/2003EP1306955A2 Mobile high voltage network
05/02/2003EP1306742A2 A graphical interface
05/02/2003EP1305863A1 System for overvoltage protection
05/02/2003EP1305862A1 Method and system for providing intelligent network management
05/02/2003EP1305861A1 Circuit breaker remote service system
05/02/2003EP1051786B1 Protective circuit breaking circuitry
05/01/2003WO2003036312A2 Determining electrical faults on undergrounded power systems using directional element
05/01/2003US20030084381 ASF state determination using chipset-resident watchdog timer
05/01/2003US20030084378 Handling oversized rings through recursive calls
05/01/2003US20030080837 Lockout for reset mechanism of electrical protective device
05/01/2003US20030080621 Automotive electrical system protection device
05/01/2003US20030079748 Fault protection system for a respiratory conduit heater element
04/2003
04/30/2003DE10137875C1 Lade/Entlade-Schutzschaltung Charge / discharge protection circuit
04/30/2003CN2548342Y Fireproof leakage current acting alarm device
04/30/2003CN1414675A Intelligent comprehensive digital relay
04/30/2003CN1414476A Out-of-control supervisory control circuit of microprocessor
04/29/2003US6557114 Loosely coupled mass storage computer cluster
04/29/2003US6557099 Multiprocessor system for distributively determining the identity of a new control processor based upon the identity of the failing processor(s) stored therein
04/29/2003US6556410 Universal surge protector for notebook computers
04/29/2003US6556409 Integrated circuit including ESD circuits for a multi-chip module and a method therefor
04/29/2003US6556408 Compensation circuit for leakage through electrostatic discharge protection devices
04/29/2003US6556401 Circuit arrangement for overload protection
04/29/2003US6556397 Device and method for detecting arc fault
04/29/2003US6556396 Power generation system, and method for installing the same
04/29/2003US6556395 Ground fault circuit interrupter for circuits operating with non-sinusoidal waveforms
04/29/2003US6555982 Method and system for detecting an object in the path of an automotive window utilizing a system equation
04/29/2003CA2293932C Power supply control device and method of controlling the same
04/29/2003CA2264036C Foot controller for microsurgical system
04/29/2003CA2109260C Overcurrent protection device with programmable communications and inactivity
04/24/2003US20030079163 Microprocessor runaway monitoring control circuit
04/24/2003US20030079155 System and method for efficient lock recovery
04/24/2003US20030078745 Directional element to determine faults on ungrounded power systems
04/24/2003US20030078679 Test executive system with tree structure for summarizing results
04/24/2003US20030076645 ESD protection circuit for mixed-voltage I/O ports using substrated triggering
04/24/2003US20030076644 Cable network and method for protecting the cable network against a serial arc
04/24/2003US20030076638 Protection device for protecting a voltage source and a load supplied thereby
04/24/2003US20030076112 Differential protective method
04/24/2003US20030075980 Power supplying apparatus for vehicle and intensive wiring apparatus
04/24/2003US20030075211 Photovoltaic power generation system
04/24/2003DE20300182U1 Intelligent apparatus for protecting electronic devices against voltage peaks and shocks
04/23/2003EP1303897A1 Method and apparatus for detecting electrical faults and isolating power source from the electrical faults
04/23/2003EP0759175B1 Microcontroller with brown-out detection
04/23/2003CN1413373A Method and device for overvoltage protection in dual-voltage vehicle electrical systems
04/23/2003CN1412907A Phase fault, low-voltage and over voltage breaking protection circuit
04/22/2003US6552888 Safety electrical outlet with logic control circuit
04/22/2003US6552885 Ground fault circuit having circuit failure sensor, and method
04/22/2003US6552884 Circuit breaker with display function
04/22/2003US6552675 Electrical protection device with analog-to-digital converter of the sigma-delta type
04/22/2003US6552583 ESD-protection device with active R-C coupling to gate of large output transistor
04/22/2003US6552500 Electric lights
04/17/2003WO2003032461A1 Overload current protection apparatus
04/17/2003WO2003032460A1 Motor control circuit overcurrent protection
04/17/2003WO2003032428A1 Capacitor discharging circuit
04/17/2003US20030074605 Computer system and method for program execution monitoring in computer system
04/17/2003US20030074604 Method and apparatus for kernel module testing
04/17/2003US20030074597 Repair supporting method, repair supporting server and repair subject multi-functional peripheral
04/17/2003US20030074523 System and method for migrating data
04/17/2003US20030074148 Arc fault circuit interrupter system
04/17/2003US20030074147 Line fault protection unit for an electrical power system
04/17/2003US20030074146 Crossover fault classification for power lines with parallel circuits
04/17/2003US20030072120 Electrical resource device and load driving device
04/17/2003US20030072114 Protective relay apparatus
04/17/2003US20030072113 Arc detection using load recognition, harmonic content and broadband noise
04/17/2003US20030071662 Esd-protection device with active r-c coupling to gate of large output transistor
04/17/2003DE19936701C2 Verfahren zum kontrollierten Betrieb einer elektronischen Sicherung und elektronische Sicherung A method for controlled operation of an electronic fuse, electronic fuse
04/16/2003EP0995253A4 Electric installation protecting means
04/16/2003CN2545736Y Phase interruption alarm protecting device of electric heating element for electric boiler
04/16/2003CN2545735Y Full-automatic universal AC voltage-regulated protector
04/16/2003CN1411012A Under voltage/subexcitation drop-away device circuit
04/15/2003US6550019 Method and apparatus for problem identification during initial program load in a multiprocessor system