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)
09/2002
09/17/2002US6453428 Dual-drive fault tolerant method and system for assigning data chunks to column parity sets
09/17/2002US6453260 Apparatus and method for collecting motor test data
09/17/2002US6452769 Electrical power distribution installation for electrical power system
09/17/2002US6452767 Arcing fault detection system for a secondary line of a current transformer
09/12/2002WO2001016708A9 System and method for detecting buffer overflow attacks
09/12/2002US20020129029 Scalable transport layer protocol for multiprocessor interconnection networks that tolerates interconnection component failure
09/12/2002US20020126829 Method and device for distributing electric power in telecommunication central office equipment
09/11/2002EP1021123A4 Dishwasher
09/11/2002CN2511030Y New-type Safety anti-theft auto-controller
09/11/2002CN2511029Y Electric motor and compressor protector
09/11/2002CN2511028Y Security unit of main frame
09/11/2002CN2511027Y Telemetering, remote-signalling and remote-control relay
09/11/2002CN1368774A Full-electronic single-phase short circuit protecting circuit without spark
09/11/2002CN1368773A Self-adaption protection of autoamtic relay controller
09/11/2002CN1368772A Circulation recovery plan for transmitting branch
09/11/2002CN1090774C AC line stabilization circuitry for high power factor loads
09/10/2002US6449734 Method and system for discarding locally committed transactions to ensure consistency in a server cluster
09/10/2002US6449733 On-line replacement of process pairs in a clustered processor architecture
09/10/2002US6449730 Loosely coupled mass storage computer cluster
09/10/2002US6448780 Method of calculating a resistance
09/10/2002US6447081 Dishwasher
09/06/2002WO2002069146A2 Data processing system having an on-chip background debug system and method therefor
09/06/2002WO2002068253A1 Electric load management center
09/05/2002US20020124213 Standardized format for reporting error events occurring within logically partitioned multiprocessing systems
09/05/2002US20020121903 Systems and methods for locating faults on a transmission line with a single tapped load
09/05/2002US20020121902 Ground detection apparatus for electric vehicle
09/05/2002US20020121872 Collision monitoring system
09/04/2002EP1237249A2 Protection relay
09/04/2002EP1237248A2 Protective relay apparatus
09/04/2002EP1236258A1 Differential protective method
09/04/2002EP1236257A2 Monitoring device for power supplies
09/04/2002EP1236215A1 Electrical circuit-breaker with an information memory
09/04/2002CN2509762Y Touch type overvoltage protector
09/04/2002CN2509755Y Domestic intelligent distribution box
09/04/2002CN1367561A Power supply phase sequence automatic regulator of three-phase air-conditioner
09/04/2002CN1090401C System protection relay device
09/04/2002CN1090400C Anti-snag latch assembly for connector
09/04/2002CN1090374C Circuit protective device comprising PTC conductive liquid crystal polymer composition
09/04/2002CN1090373C Terminal and its mfg. method
09/03/2002US6446237 Updating and reading data and parity blocks in a shared disk system
09/03/2002US6446225 Server system with scalable session timeout mechanism
09/03/2002US6445557 Method and apparatus for performing a short-circuit and overload disconnection with a semiconductor component
09/03/2002US6445276 Electrical fuse for use in motor vehicles
09/03/2002US6445090 Electrical equipment having energy saving mode capable of shutting off supplying of voltage to primary power supply supplying circuit under no use thereof
09/03/2002CA2280281C Current transformer saturation correction using artificial neural networks
08/2002
08/29/2002WO2000024104A3 Ground fault protection circuit
08/29/2002US20020118500 Solid state circuit breaker with current overshoot protection
08/29/2002EP1145400A3 Ground fault protection circuit
08/29/2002DE10106279A1 Verfahren zum Erzeugen eines Auslösesignals nach demStromdifferentialschutzprinzip und Stromdifferentialschutzanordnung Method for generating a tripping signal after demStromdifferentialschutzprinzip and current differential protection arrangement
08/28/2002EP1234367A1 Device and method for detecting a jamming situation at moving surfaces in a motor vehicle
08/28/2002EP1234366A2 System for power transformer differential protection
08/28/2002EP1234365A2 Apparatus and method for detecting a short circuit in a lighting system
08/28/2002EP0951241A4 Ophthalmic microsurgical system employing flash eeprom and reprogrammable modules
08/28/2002EP0929263A4 Modes/surgical functions
08/28/2002CN2508444Y Single power package multiple dc controlling device
08/28/2002CN2508443Y Overvoltage protector
08/28/2002CN2508433Y Real time leakage protection safety socket capable of discriminating between peak and valley power supply
08/27/2002US6442711 System and method for avoiding storage failures in a storage array system
08/27/2002US6442709 System and method for simulating disaster situations on peer to peer remote copy machines
08/27/2002US6442011 Flux concentration adjustment mechanism and method for hall effect sensors and circuit breaker using same
08/27/2002US6442010 Differential protective relay for electrical buses with improved immunity to saturation of current transformers
08/27/2002US6442007 Ground fault interrupter with display circuit
08/27/2002US6441709 Device for short-circuit protection
08/22/2002WO2002065609A1 Overload current protection device using magnetic impedance element
08/22/2002WO2002065608A1 Overload current protection device using magnetic impedance element
08/22/2002WO2000039822A9 Method of detecting manual trips in an intelligent electronic device
08/22/2002WO2000022711A9 Fault tolerant bus for clustered system
08/22/2002US20020116663 Data processing system with on-chip FIFO for storing debug information and method therefor
08/22/2002US20020116660 RAID system having channel capacity unaffected by any single component failure
08/22/2002US20020116588 Software management systems and methods for automotive computing devices
08/22/2002US20020116542 User alerts in an anti computer virus system
08/22/2002US20020116092 System for protecting and controlling substation main circuit components
08/22/2002US20020116081 Data processing system having an on-chip background debug system and method therefor
08/21/2002EP1232551A1 Electric plant and method and use in connection with such plant
08/21/2002CN2507184Y Voltage regulation energy saving and fraudulent use preventing device for oil pumping machine of oil field
08/21/2002CN1365532A CVT transient filter
08/21/2002CN1365503A Timed tripping circuit for an electromechanical switching device
08/20/2002US6438505 Device for monitoring the speed of rotation of an electric motor and centrifuging apparatus equipped with such a device
08/20/2002US6437957 System and method for providing surge, short, and reverse polarity connection protection
08/20/2002US6437955 Frequency-selective circuit protection arrangements
08/20/2002US6437954 Residual current device
08/20/2002US6437953 Circuit interrupting device with reverse wiring protection
08/20/2002US6437952 Earth protection device sensitive to arc currents, trip device and circuit breaker comprising such a device
08/20/2002US6437951 Electrical ground fault protection circuit
08/20/2002US6437700 Ground fault circuit interrupter
08/20/2002US6437576 Method for detecting short-circuit conditions and device which uses this method
08/15/2002WO2002063738A1 Device for the disconnection and connection of a load
08/15/2002WO2002063648A1 Safety electrical outlet with logic control circuit
08/15/2002US20020112198 Method and apparatus for recovering from failure of a mirrored boot device
08/15/2002US20020109950 Setpoint silicon controlled rectifier (SCR) electrostatic discharge (ESD) core clamp
08/15/2002US20020109483 Charge/discharge control circuit and a charging-type power-supply unit
08/15/2002US20020109473 Motorized actuator with a variable stall level
08/14/2002EP1230721A1 Improved restraint-type differential relay
08/14/2002DE10104892A1 Schiffs-Elektrosystem Marine electrical system
08/14/2002CN2506011Y Three phase AC power source phase sequence automatic monitoring device
08/14/2002CN2506007Y Low voltage breaker having multifunction protector
08/13/2002US6434715 Method of detecting systemic fault conditions in an intelligent electronic device
08/13/2002US6434711 Disk array apparatus that avoids premature declarations of faults
08/13/2002US6433981 Modular current sensor and power source
08/13/2002US6433978 Arc fault detector with circuit interrupter