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)
03/2003
03/19/2003EP1293077A2 A data transfer and management system
03/19/2003EP1293022A2 Method for monitoring the effectiveness of a component of an electrical device during operation
03/19/2003EP0995251B1 Solid state overload relay
03/19/2003CN1404212A Solar energy power generating system
03/19/2003CN1404194A Visual transparent monitoring system for relay protector of microcomputer
03/19/2003CN1404149A Semiconductor device with electrostatic discharge protective circuit
03/19/2003CN1103506C Differential protection equipment
03/18/2003US6535994 Method and apparatus for identifying and repairing mismatched data
03/18/2003US6535370 Apparatus and method for representing protection device trip response
03/18/2003US6535369 Adaptive surge suppressor
03/18/2003US6534947 Pump controller
03/18/2003US6534883 Power supplying apparatus for a vehicle and an intensive wiring apparatus
03/18/2003CA2148418C Protection circuit and method for telecommunication equipment
03/18/2003CA2079183C Electronic circuit breaker with protection against sputtering arc faults and ground faults
03/13/2003WO2002103874A3 Anti-pinch window control system and method
03/13/2003WO2002061905A3 Aircraft applicable ground fault circuit interrupter
03/13/2003US20030051186 Methods to restore tests execution after unexpected crashes for use in a distributed test framework
03/13/2003US20030051086 Automated calibration of I/O over a multi-variable eye window
03/13/2003US20030050714 Apparatus, method and computer system for reducing power consumption of a processor or processors upon occurrence of a failure condition affecting the processor or processors
03/13/2003US20030048590 Circuit for esd protection
03/13/2003US20030048589 Module plug for an electronic trip unit
03/13/2003US20030048587 Electric outlet remote control and power protection circuit
03/13/2003DE20219429U1 Residual current operated circuit breaker has electrical connections available in parallel with test button
03/12/2003EP1291998A2 Device for recognizing a fault condition in two-voltages or plural-voltages supply networks
03/12/2003EP1291997A2 Photovoltaic power generation system
03/12/2003EP1290974A1 Dishwasher
03/12/2003EP1290769A1 Overcurrent protection circuit
03/12/2003EP1290768A1 A circuit for the protection and supply of consuming circuits
03/12/2003EP1290708A1 Ground fault current interrupter/arc fault current interrupter circuit breaker with fail safe mechanism
03/12/2003EP1290706A1 Switch, especially a coding switch
03/12/2003EP1290556A1 Fast relief swapping of processors in a data processing system
03/12/2003EP1290456A1 Method for detecting resistive faults
03/12/2003CN2540059Y Low voltage three-phase AC circuit internal operating overvoltage protector
03/12/2003CN2540058Y Single phase two-line electric current overload protector
03/12/2003CN1402900A System for power transformer differential protection
03/12/2003CN1402405A Pole transformer load monitoring system using wireless internet
03/12/2003CN1402399A Relay protection device
03/12/2003CN1103131C protective controller of electric power system, monitoring system and storage medium of storage program
03/11/2003US6532547 Redundant peripheral device subsystem
03/11/2003US6532424 Electrical fault detection circuit with dual-mode power supply
03/11/2003US6532140 Arc-fault detecting circuit breaker system
03/11/2003US6532139 Arc fault circuit interrupter and circuit breaker having the same
03/11/2003CA2132136C Ground fault circuit interrupter with immunity to wide band noise
03/11/2003CA2109258C Electrical circuit interrupting device
03/06/2003WO2002097940A3 Overcurrent detection and protection apparatus for switching element
03/06/2003US20030043523 Effective gate-driven or gate-coupled ESD protection circuit
03/06/2003US20030043521 High side supply shut down circuit
03/06/2003US20030043516 Electrical ground fault protection circuit
03/06/2003US20030043515 Method and apparatus for control and detection in resistance grounded electrical systems
03/06/2003US20030042909 Short-circuit detector
03/05/2003EP1289094A1 Short-circuit detector
03/05/2003EP1289093A2 Protective relay system
03/05/2003EP1289091A2 Apparatus for detecting arcing and overcurrents in DC electrical systems subject to cyclic disturbances
03/05/2003EP1287600A2 Fault current and differential current detection system capable of preventing spurious triggering of a protection system due to transient interference pulses
03/05/2003EP1287599A2 Software-controlled evaluation of fault current for protection and monitoring systems
03/05/2003CN2539333Y Active ion switch lightning arrestor
03/05/2003CN2539328Y Photoelectric coupling electric leakage protector
03/05/2003CN2539327Y Power subtraction phase protector for three-phase power supply equipment
03/05/2003CN2539274Y 综合数字继电器 Integrated Digital Relay
03/05/2003CN1401153A Fault current and differential current detection system capable of preventing spurious triggering of a protection system due to transient interference pulses
03/04/2003US6530039 Porting engine for testing of multi-lingual software
03/04/2003US6530035 Method and system for managing storage systems containing redundancy data
03/04/2003US6529358 Driver protection circuit for preventing damage due to line contact with ground or supply voltage
03/04/2003US6528961 Movable barrier operator having force and position learning capability
03/04/2003US6526643 Method for managing the operation of a seat and seat implementing this method
02/2003
02/28/2003CA2400697A1 Short circuit detector
02/27/2003US20030039086 Protective relay system
02/27/2003US20030038640 Apparatus for detecting arcing and overcurrents in dc electrical systems subject to cyclic disturbances
02/27/2003US20030038606 Electro-mechanical actuator including brushless DC motor for providing pinch protection
02/27/2003US20030038605 Assembly for adjusting mobile elements of furniture
02/27/2003US20030038604 Method and apparatus for facilitating control of a movable barrier operator
02/26/2003EP1285622A2 Dishwasher
02/26/2003EP1285483A1 Semiconductor component
02/26/2003EP0888558B1 Method of calibrating the trip point of an overload relay
02/26/2003CN1399451A Data compressing, transmitting and restoring method via communication among processors in exchange system
02/26/2003CN1399379A Power source short-circuit protector
02/25/2003US6526524 Web browser program feedback system
02/25/2003US6526523 Kernel streaming test method and system
02/25/2003US6525917 Power transforming system and method
02/25/2003US6525914 Protection system for devices connected to an alternating current electrical power supply
02/25/2003US6525543 Fault type selection system for identifying faults in an electric power system
02/25/2003US6525533 Current detection switch and apparatus therewith
02/25/2003US6525305 Large current watchdog circuit for a photodetector
02/24/2003CA2399637A1 Apparatus for detecting arcing and overcurrents in dc electrical systems subject to cyclic disturbances
02/20/2003WO2003015232A1 Active power/ground esd trigger
02/20/2003WO2003015113A1 Charging dispenser for a thin web
02/20/2003WO2002101901A3 Circuit arrangement for a residual-current circuit breaker
02/20/2003US20030037294 Server System with scalable session timeout mechanism
02/20/2003US20030037278 System and method for fail-over memory
02/19/2003EP1108273B1 Explosion-proof plug-in connector
02/19/2003EP1005709B1 Fault-current protective switchgear
02/19/2003CN2537162Y Phonetic alarm device for leakage relay
02/19/2003CN1398365A Power supply device, transistor driving method, recording medium
02/19/2003CN1398043A Overcurrent protecting circuit for voltage regulator
02/19/2003CN1397973A Reverse connection protector for grounding failure breaker
02/19/2003CN1101988C Electric high voltage AC machine
02/18/2003US6523140 Computer system error recovery and fault isolation
02/18/2003US6522514 Photocoupler and connecting system using the same
02/18/2003US6522510 Ground fault circuit interrupter with miswire protection and indicator
02/18/2003US6522509 Arc fault detection in ac electric power systems