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)
10/2003
10/15/2003EP1353427A1 Redondant transmission of protective commands for remote-trip-devices
10/15/2003EP1352335A1 Method and system for implementing ospf redundancy
10/15/2003CN2580674Y Electronic frequency conversion power source for three-phase input electric chain saw
10/15/2003CN2580651Y Solid circuit protection unit for main distributing frame
10/15/2003CN2580648Y Neutral conductor protector
10/15/2003CN2580633Y Anti-thunder power socket
10/15/2003CN1124490C Layout, method and current measuring device for measuring a current in a conductor
10/14/2003US6633955 Four way support for dynamic mirror service policy
10/14/2003US6633824 Direct current electrical system arc detection apparatus and method
10/14/2003US6633475 High side supply shut down circuit
10/14/2003US6633472 Electric outlet remote control and power protection circuit
10/14/2003US6633471 Overcurrent protection circuit, electric leakage protection circuit for an electric apparatus
10/14/2003US6633467 AFCI which detects and interrupts line side arcing
10/12/2003CA2381605A1 Dynamic generation of program execution trace files in a standard markup language
10/12/2003CA2381596A1 Generating and managing test plans for testing computer software
10/09/2003US20030191983 Loosely coupled mass storage computer cluster
10/09/2003US20030191981 Method and apparatus of recording data in the optical recording medium
10/09/2003US20030191979 Method and apparatus for restoring a device to a default state
10/09/2003US20030191957 Distributed computer virus detection and scanning
10/09/2003US20030189899 Redundant transmission of protection commands between remote tripping devices
10/09/2003US20030189805 Apparatus for protection of electronic circuits
10/09/2003US20030189804 Ground fault circuit interrupter
10/09/2003US20030189453 Radio frequency clamping circuit
10/09/2003DE4124321C2 Anordnung zur Ableitung von Überspannungen Arrangement for the disposal of overvoltages
10/09/2003DE20213758U1 Electric motor drive circuit for actuating device in motor vehicle, uses e.g. resistor and capacitor to generate direction control signal for switching element to control current direction of motor
10/09/2003CA2424090A1 Circuit breaker for detecting overload
10/08/2003EP1351127A2 Method and apparatus for restoring a device to a default state
10/08/2003EP1243060B1 Method and device for overvoltage protection in dual-voltage vehicle electrical systems
10/08/2003CN2579035Y One touch controlled socket for computer power supply
10/08/2003CN1447487A Safety devices for electrical appliances
10/07/2003US6631065 Overcurrent interrupting device
10/07/2003US6631064 Apparatus and method for providing overcurrent protection for switch-mode power supplies
10/07/2003US6631063 System for monitoring electrical circuit operation
10/07/2003US6631059 ESD protection circuit
10/07/2003US6630748 Load control apparatus and method having single temperature detector
10/07/2003CA2163181C Apparatus providing protection and metering in an ac electrical system utilizing a multi-function sampling technique
10/02/2003US20030188231 Method for runtime code integrity validation using code block checksums
10/02/2003US20030187967 Method and apparatus to estimate downtime and cost of downtime in an information technology infrastructure
10/02/2003US20030187520 Method and apparatus for circuit breaker node software architecture
10/02/2003US20030184939 Electric power system relay and on-line method of testing same
10/02/2003US20030184932 Electrical ground isolation and secondary failure reduction detection and isolation
10/02/2003US20030183838 Solid-state DC circuit breaker
10/01/2003EP1349252A2 Lighting unit adapter for use as short circuit protection or dimmer
10/01/2003EP1349251A2 Semiconductor switching device with a multi-source power FET having a sense current path allowing a predetermined number of reconnection attempts before shutdown
10/01/2003EP1290706B1 Switch, especially a coding switch
10/01/2003EP1203388B1 Timed tripping circuit for an electromechanical switching device
10/01/2003EP0861514B1 Jamming detection device for electrical drives
10/01/2003CN1123105C Electronic control device for over-vurrent protection
09/2003
09/30/2003US6629263 Fault tolerant network element for a common channel signaling (CCS) system
09/30/2003US6629021 Techniques for detecting ground failures in bathing installations
09/30/2003US6628496 Protection system for an electricity network having a data transmission radio link
09/30/2003US6628488 Electrostatic discharge protection circuit
09/30/2003US6628486 Fault detection device with line-load miswire protection
09/30/2003US6628485 Apparatus for limiting an electrical current
09/25/2003WO2003079511A1 Circuit protection system
09/25/2003WO2003079388A1 Circuit breaker having fault-current cutoff
09/25/2003US20030182601 System and method for integrating hardware switching operations into test executive software
09/25/2003US20030179528 Methods and devices for optimizing power consumption of trip units containing microprocessors
09/25/2003US20030179526 Circuit breaker voltage sensing module
09/25/2003US20030178982 Method and apparatus for determining frequency of an alternating current signal of an electric power system
09/24/2003EP1346453A1 Substation control system
09/24/2003EP1346450A1 Low-voltage electronic residual current circuit breaker
09/24/2003EP1345795A1 Intelligent fuse box for the power distribution system of a vehicle
09/24/2003CN1444788A Ground fault interrupter
09/23/2003US6625761 Fault tolerant USB method and apparatus
09/23/2003US6625759 Method and apparatus for verifying the fine-grained correctness of a behavioral model of a central processor unit
09/23/2003US6625750 Hardware and software failover services for a file server
09/23/2003US6625551 Fault current and differential current detection system capable of preventing spurious triggering of a protection system due to transient interference pulses
09/23/2003US6625550 Arc fault detection for aircraft
09/23/2003US6624993 Adjustable direct current and pulsed circuit fault current limiter
09/23/2003CA2168838C Electrical switches with current protection interfaced with a remote station and a portable local unit
09/23/2003CA2165929C Circuit interrupter providing protection and waveform capture for harmonic analysis
09/18/2003WO2003077396A1 Circuit breaker comprising an electronic trigger and a bypass switch
09/18/2003US20030177422 Data transfer and management system
09/18/2003US20030177421 Facilitating the use of aliases during the debugging of applications
09/18/2003US20030177420 Generating a common symbol table for symbols of independent applications
09/18/2003US20030177419 Facilitating the debugging of applications by employing user defined or redefined symbols
09/18/2003US20030177417 System and method for remote performance analysis and optimization of computer systems
09/18/2003US20030177414 Model for performance tuning applications
09/18/2003US20030177413 Versioning and replaying performance tuning projects
09/18/2003US20030174453 Power protection
09/18/2003US20030174449 Power tools
09/18/2003DE20311394U1 Electrical protective circuit for electric equipment in house or vehicle has switch contact and manually released test switching circuit fitted inside housing
09/17/2003EP1344291A1 An improved digital protection and control device and method thereof
09/17/2003EP1252695B1 Protective device for an electric consumer
09/17/2003EP1093681B1 Solid state overload relay
09/17/2003CN2574208Y Integrative earth leakage protector
09/17/2003CN1443388A System for overvoltage protection
09/17/2003CN1443316A Protection zone selection system in relay based on microprocessor of electric power system
09/17/2003CN1442941A Truelike detection of transformer station transformer
09/16/2003US6621677 Method and system for series fault protection
09/16/2003US6621672 Circuit breaker having analog override
09/16/2003US6621670 Ground fault protection circuit for discharge tube lighting circuit
09/16/2003US6621669 Arc fault receptacle with a feed-through connection
09/16/2003US6621388 Lockout mechanism for use with ground and arc fault circuit interrupters
09/16/2003CA2162350C Circuit breaker using bimetal of thermal-magnetic trip to sense current
09/11/2003US20030172324 Bitstream generation tools for bitstream management system
09/11/2003US20030171884 Arrangements to detect and respond to disturbances in electrical power systems
09/11/2003US20030169548 Breaker failure annunciator system
09/11/2003US20030169546 Circuit for the protection and supply of consuming circuits