| 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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| 02/13/2003 | WO2003012967A1 Neutral pole location independent earth leakage detection circuit |
| 02/13/2003 | US20030033558 Tool for generating a re-generative functional test |
| 02/13/2003 | US20030033119 Pole transformer load monitoring system using wireless internet network |
| 02/13/2003 | US20030032308 Electrical connection system for vehicle |
| 02/13/2003 | US20030030955 Over voltage detection circuit, and power source circuit, power supply system and electronic apparatus using the over voltage detection circuit |
| 02/13/2003 | US20030030954 Current fault detector and circuit interrupter and packaging thereof |
| 02/13/2003 | US20030030953 Method for automatically reclosing and an automatic reclosing device |
| 02/13/2003 | US20030030950 Device for stopping a single-phase asynchronous motor with phase-shifting capacitor |
| 02/13/2003 | US20030030536 Circuit protection devices |
| 02/13/2003 | US20030030448 Apparatus for the detection and early warning of electrical arcing fault |
| 02/12/2003 | EP1283596A1 Load control system having an overload protection circuit |
| 02/12/2003 | CN2535958Y A.C. contactor under-voltage protection circuit |
| 02/12/2003 | CN2535952Y Automatic adjuster of power source phase sequence for three-phase air conditioner |
| 02/12/2003 | CN1396688A Phase choosing method based on failed voltage comparison for judging the phase of failed phase current |
| 02/12/2003 | CN1396662A Low voltage triggered SCR containing Si in insulating layer and protecting circuit for electrostatic discharge |
| 02/11/2003 | USRE37982 Method for preventing electrostatic discharge failure in an integrated circuit package |
| 02/11/2003 | US6519713 Magnetic disk drive and SCSI system employing the same |
| 02/11/2003 | US6519704 System and method for driving a signal to an unbuffered integrated circuit |
| 02/11/2003 | US6519537 Apparatus providing on-line indication of frequency of an AC electric power system |
| 02/11/2003 | US6519125 Current limiter for a network |
| 02/11/2003 | US6518768 Arrangement, method, and current measurement device for measuring a current in a conductor |
| 02/11/2003 | US6518767 Line differential protection system for a power transmission line |
| 02/11/2003 | US6518731 Devices and methods for protection of rechargeable elements |
| 02/11/2003 | CA2264596C Adaptive ground and phase fault detection for a power distribution system |
| 02/11/2003 | CA2264040C Ophthalmic microsurgical system employing flash eeprom and reprogrammable modules |
| 02/11/2003 | CA2068186C Load current commutation circuit |
| 02/06/2003 | WO2003010869A1 System and method for providing network management |
| 02/06/2003 | WO2003010868A1 Power distribution bus with protection and alarming |
| 02/06/2003 | US20030028701 Integrated real-time performance monitoring facility |
| 02/06/2003 | US20030028584 System and method for providing network management |
| 02/06/2003 | US20030027036 Protection apparatus for a storage battery |
| 02/06/2003 | US20030026057 Charging dispenser for a thin web |
| 02/06/2003 | US20030026054 Active power/ground ESD trigger |
| 02/06/2003 | US20030025480 Charge/discharge protection circuit |
| 02/06/2003 | US20030025470 Movable barrier operator having force and position learning capability |
| 02/05/2003 | EP1282231A2 Load control system having an overload protection circuit |
| 02/05/2003 | EP1282211A2 Charge/discharge protection circuit |
| 02/05/2003 | EP1281226A1 Under- and/or overvoltage release |
| 02/05/2003 | CN2534716Y 自动断电保护器 Automatic power-off protection |
| 02/05/2003 | CN1395346A Protecting equipment, protecting device and protecting method for circuit |
| 02/05/2003 | CN1395345A Power supply line with safety protective device |
| 02/04/2003 | US6515841 High voltage power supply apparatus |
| 02/04/2003 | US6515840 Solid state circuit breaker with current overshoot protection |
| 02/04/2003 | US6515337 Input protection circuit connected to projection circuit power source potential line |
| 01/30/2003 | US20030023899 Data compression/transmission and restoration methods using IPC in switching system |
| 01/29/2003 | EP1279213A2 Sensitive ground fault detection system for use in compensated electric power distribution networks |
| 01/29/2003 | EP1279212A1 Method for protecting a dc generator against overvoltage |
| 01/29/2003 | EP1279211A2 Topology-based reasoning apparatus for root-cause analysis of network faults |
| 01/29/2003 | CN1394373A Apparatus and method for detecting short circuit in lighting system |
| 01/28/2003 | US6513134 System and method for tracing program execution within a superscalar processor |
| 01/28/2003 | US6512663 Electrostatic protection device and electrostatic protection circuit |
| 01/28/2003 | US6512380 Contactor and trip circuit therefor |
| 01/28/2003 | CA2277001C Variable trip fault indicator |
| 01/23/2003 | WO2003007450A1 Method and device for protecting a conductor when an electric arc is produced |
| 01/23/2003 | US20030018932 Method and system for performing automated regression tests in a state-dependent data processing system |
| 01/23/2003 | US20030018926 Transition to switch node adapter diagnostics using adapter device driver |
| 01/23/2003 | US20030016481 Power distribution bus with protection and alarming |
| 01/22/2003 | EP1277264A1 Residual-current circuit breaker and a method for testing the reliability performance of a residual-current circuit breaker |
| 01/22/2003 | EP1183764B1 An electrical machine winding ground-fault protection system |
| 01/22/2003 | CN2532646Y Automatic electronic switch circuit for color television |
| 01/22/2003 | CN2532607Y Over. voltage protector for test board |
| 01/21/2003 | US6510529 Standby SBC backplate |
| 01/21/2003 | US6510527 Method and system for data protection |
| 01/16/2003 | WO2003005527A2 Voltage and current source selection system for use in the protection, automation and control of an electric power system |
| 01/16/2003 | WO2003005526A1 Electric motor-driven adjustment drive |
| 01/16/2003 | WO2003005525A2 System and method for managing object based clusters |
| 01/16/2003 | WO2003005524A1 System for estimating the frequency of the power signal on a power transmission line |
| 01/16/2003 | WO2003005498A2 System and method for calibration of data in an electric power monitoring system |
| 01/16/2003 | US20030014685 Accumulator memory for performing operations on block operands |
| 01/16/2003 | US20030011952 Overcurrent protection circuit for voltage regulator |
| 01/16/2003 | US20030011951 System for preventing overreach of protection for series compensated power lines |
| 01/16/2003 | US20030011950 Protective device for an electric consumer |
| 01/16/2003 | US20030011353 System and method for calibration of data in an electric power monitoring system |
| 01/16/2003 | US20030011352 System for estimating the frequency of the power signal on a power transmission line |
| 01/16/2003 | US20030011248 Error recognition device for a multi-voltage vehicle electrical system |
| 01/16/2003 | DE29724682U1 Residual current-operated protective device - has complex impedance of circuit tuned for given band-pass performance with series and parallel capacitances satisfying given relationship |
| 01/16/2003 | CA2454778A1 System and method for managing object based clusters |
| 01/15/2003 | EP1275184A2 Improved line current differential protective relaying method and relay for in-zone tapped transformers |
| 01/15/2003 | EP1275157A1 Device for protecting a photovoltaic module against hot spots and photovoltaic module equipped with same |
| 01/15/2003 | EP1214768A4 System and method for providing surge, short and reverse polarity connection protection |
| 01/15/2003 | EP1024985B1 Circuit configuration to monitor a regulated output voltage in a motor vehicle |
| 01/15/2003 | CN1391324A Current limiter with by-pass inductor for short-circuit failure |
| 01/15/2003 | CN1099037C Method of detecting and locating high-resistance earth fault in electric power network |
| 01/14/2003 | US6507922 Fault indicator circuit in system having circuit blocks |
| 01/14/2003 | US6507184 Methods and apparatus for differential current measurement in a three-phase power system |
| 01/09/2003 | WO2003003153A2 Mirroring network data to establish virtual storage area network |
| 01/09/2003 | WO2003003026A2 Line differential protection system for a power transmission line |
| 01/09/2003 | US20030007301 Low-voltage-triggered SOI-SCR device and associated ESD protection circuit |
| 01/09/2003 | US20030007300 Voltage controller |
| 01/09/2003 | US20030007299 Voltage and current source selection system for use in the protection, automation and control of an electric power system |
| 01/09/2003 | US20030007298 Electrostatic discharge protective circuit |
| 01/09/2003 | DE10122906C1 Verfahren zur Fehlerbehandlung und Schadensverhütung an Werkzeug- und Produktionsmaschinen, sowie Robotern Procedures for error handling and loss prevention in machine tools and production machines and robots |
| 01/09/2003 | CA2452158A1 Line differential protection system for a power transmission line |
| 01/09/2003 | CA2449850A1 Mirroring network data to establish virtual storage area network |
| 01/08/2003 | EP1273083A2 Differential protective relay for electrical buses with improved immunity to saturation of current transformers |
| 01/08/2003 | EP1273022A1 Low-voltage circuit breaker comprising a data memory |
| 01/08/2003 | EP1112010B1 Device for displacing furniture |
| 01/08/2003 | CN1390376A Improved restraint-type differential relay |
| 01/08/2003 | CN1098553C Method and arrangement for disconnecting consumers |
| 01/07/2003 | US6505306 Redundant bit steering mechanism with delayed switchover of fetch operations during redundant device initialization |