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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12/07/2006 | US20060274471 Outside plant cable pair protectors |
12/07/2006 | US20060274469 Apparatus and method for controlling provision of power to a load by a plurality of generating devices |
12/07/2006 | US20060274468 Active inrush current control using a relay for AC to DC converters |
12/07/2006 | US20060274467 Front Electronic Equipment System |
12/07/2006 | US20060274463 Circuit interrupting device with automatic end of life test |
12/07/2006 | US20060274462 Circuit interrupting device having integrated enhanced rfi suppression |
12/07/2006 | US20060274461 Load-guard |
12/07/2006 | US20060274460 Arc fault detector responsive to patterns in interval to interval change in integrated sensed current values |
12/07/2006 | US20060273859 Reset lockout for sliding latch GFCI |
12/07/2006 | US20060273779 Method for determining the moment of closure of a circuit breaker on a high voltage line |
12/07/2006 | DE102005025871A1 Inductive or ohmic load e.g. electromagnetically operated actuator, controlling and monitoring circuit for use in e.g. direct injection diesel engine, has voltage measuring device measuring battery-sided voltage of inductive or ohmic load |
12/07/2006 | DE102005024634A1 Protective circuit for e.g. insulated gate bipolar transistor, has monitoring circuit supplying voltage as control factor, such that monitoring circuit is designed to control operating condition of logic unit depending on amount of voltage |
12/07/2006 | CA2610229A1 Circuit interrupting device having integrated enhanced rfi suppression |
12/06/2006 | EP1729391A1 Fuse detection device with arc control for self-protected transformers |
12/06/2006 | EP1728302A1 Digital signal processor implementation of high impedance fault algorithms |
12/06/2006 | EP1604439B1 Method and protection device for the fail-safe parameterisation of electronic modules, especially low voltage power switches |
12/06/2006 | CN2845267Y Automatic phase selecting protector for three phase motor |
12/06/2006 | CN2845265Y Energy saving switch on wall |
12/06/2006 | CN2845264Y Voltage protection circuit |
12/06/2006 | CN2845263Y Electric safety protector |
12/06/2006 | CN2845262Y Break-off recognizing circuit of circuit breaker |
12/06/2006 | CN2845153Y Automotive electric switch |
12/06/2006 | CN1875532A Automated intelligent configuration tool for power system protection and control and monitoring devices |
12/06/2006 | CN1875530A Apparatus for high surge voltage protection |
12/06/2006 | CN1874103A Lightning protection box |
12/06/2006 | CN1874099A Method for determining abnormal reversion of DC engineering power without influence by induced voltage |
12/06/2006 | CN1288816C Locking device for leakage breaker |
12/06/2006 | CN1288815C Method for determining electronic circuit breaker by inquiry of user and arrangement concerned |
12/05/2006 | US7146541 Back out provision for failed programmable hardware update |
12/05/2006 | US7146532 Persistent session and data in transparently distributed objects |
12/05/2006 | US7146527 Method and apparatus of recording data in the optical recording medium |
12/05/2006 | US7145757 System for eliminating arcing faults and power distribution system employing the same |
12/05/2006 | US7144255 Electronic toy and teaching aid safety devices |
11/30/2006 | WO2006126185A2 Ventricle pacing during atrial fibrillation episodes |
11/30/2006 | WO2006125996A1 Thermal protection for electrical installations and fittings |
11/30/2006 | WO2005041376A3 Single-sensor microcontroller-based approach for ground fault circuit interrupters |
11/30/2006 | US20060271259 Simulated airbag squib interface |
11/30/2006 | US20060270280 Electric power system and method of operating the same |
11/30/2006 | US20060268484 Low voltage overcurrent protection for solid state switching system |
11/30/2006 | US20060268483 Apparatus for providing holdover power |
11/30/2006 | US20060268482 Equipment management methods and systems |
11/30/2006 | US20060268472 Wiring fault correction circuit |
11/30/2006 | DE10235788B4 Elektrisches Verbindungssystem für ein Kraftfahrzeug An electrical interconnect system for a motor vehicle |
11/30/2006 | DE102005042114B3 Process and device to detect a current-weakening arc in a mains-supplied unit obtain time-dependent signals from current measurement and compare with unit-specific criteria from arc-free and simulation data |
11/30/2006 | CA2609452A1 Thermal protection for electrical installations and fittings |
11/29/2006 | EP1726075A2 Environmental fuse |
11/29/2006 | EP1726074A1 Overload release |
11/29/2006 | CN2842838Y Usb接口电路 Usb Interface Circuit |
11/29/2006 | CN2842837Y Switch powersupply parallel operation system and its output overvoltage protective circuit |
11/29/2006 | CN2842834Y Modularized power adjusting device |
11/29/2006 | CN2842833Y Single-phase electronic earth leakage circuit breaker |
11/29/2006 | CN2842832Y Earth leakage protective device |
11/29/2006 | CN2842831Y 智能开关 Smart Switch |
11/29/2006 | CN1870380A Short-circuit fault current limitter |
11/29/2006 | CN1870377A Method for quickly identifying DC pole bus earth fault using voltage as axiliary decision basis |
11/29/2006 | CN1870374A User operating blocking-up device |
11/29/2006 | CN1870373A Method for judging high-voltage polar wire short out of low voltage polar wire in back-to-back DC engineering |
11/29/2006 | CN1870372A Remote controller of overload relay |
11/28/2006 | US7143305 Using redundant spares to reduce storage device array rebuild time |
11/28/2006 | US7142404 System and method for domain power monitoring and notification |
11/28/2006 | US7142403 Method for detection of a ground fault, which occurs in the vicinity of a neutral point in an electrical device, as well as an apparatus for carrying out the method |
11/28/2006 | US7142400 Method and apparatus for recovery from power supply transient stress conditions |
11/23/2006 | WO2006124743A1 Method and apparatus for improving operational reliability during a loss of a phase voltage |
11/23/2006 | WO2006123962A1 Method for protecting a user of a three-phase alternating-current network against operating emergency conditions and device for carrying out said mehtod |
11/23/2006 | WO2006122884A1 Apparatus for short circuit protection |
11/23/2006 | WO2006076219A3 A transient suppression circuit |
11/23/2006 | US20060262473 Output current control and overload protection in digital audio amplifiers |
11/23/2006 | US20060262468 Two piece button assembly for circuit interrupting device with reset lockout |
11/23/2006 | US20060262467 High-Power Ultracapacitor Energy Storage Pack and Method of Use |
11/23/2006 | US20060262466 Arc fault detection apparatus, method and system for an underground electrical conductor |
11/23/2006 | US20060262462 Concealed Safety Lighting and Alerting System |
11/23/2006 | DE202006014008U1 Threshold current circuit breaker, has control unit controlling relay operation corresponding to operation of amplifier to activate/deactivate relay, and delay circuit between comparison and performance circuit and sample and hold circuit |
11/22/2006 | EP1724899A1 Apparatus for short circuit protection |
11/22/2006 | EP1723709A1 Device for the prevention of serious faults in electrical mains supply networks |
11/22/2006 | CN2840465Y Peak-to-valley electricity automatic switching device with voltage comparating shockproof function |
11/22/2006 | CN2840460Y Flag bit specification multi-electric apparatus voltage comparating shockproof wall line control circuit structure |
11/22/2006 | CN2840459Y Self-cleaning buttocks type piston control automatic flushing closet voltage limiting shockproof device |
11/22/2006 | CN2840458Y Self-cleaning buttocks type piston control automatic flushing closet additional current-limiting shockproof device |
11/22/2006 | CN2840457Y One-chip machine controlled circuit all-insulated wall device |
11/22/2006 | CN2840456Y Voltage-limiting mode operational amplifier circuit controlled immediate heating electric water heater all-insulated wall device |
11/22/2006 | CN2840455Y Current-limiting mode operational amplifier circuit controlling immediate heating electric water heater all-insulated wall device |
11/22/2006 | CN2840454Y One-chip machine controlled electric apparatus universal internal A/D converter shockproof device |
11/22/2006 | CN2840453Y Universal electric apparatus external A/D converter shockproof device controlled by one-chip machine |
11/22/2006 | CN2840452Y Universal electric apparatus integrated operational amplifier shockproof device controlled by one-chip machine |
11/22/2006 | CN2840451Y Universal electric apparatus voltage comparator shockproof device controlled by one-chip machine |
11/22/2006 | CN2840450Y Peak-to-valley electricity automatic switching device with integrated operational amplifer type shockproof function |
11/22/2006 | CN2840449Y Heat-accumulating electric water heater additional 1+1 current-limiting shockproof device |
11/22/2006 | CN2840448Y Heat accumulating electric water heater additional current-limiting shockproof device |
11/22/2006 | CN2840447Y Flag bit specification multi-control mode current-limiting one-chip machine all-insulated chip |
11/22/2006 | CN2840446Y Flag bit specification multi-control mode current limiting one-chip machine all-insulated chip |
11/22/2006 | CN2840445Y Heat accumulating electric water heater additional 1+1 voltage limiting shockproof device |
11/22/2006 | CN2840444Y Heat accumulating electric water heater additional voltage limiting shockproof device |
11/22/2006 | CN2840443Y Circuit with operational amplifier control heat accumulating electric heating water heater anti-shocking wall device utilizing voltage limiting mode |
11/22/2006 | CN2840442Y Flag bit specification multi-control mode voltage limiting one-chip machine all-insulated chip |
11/22/2006 | CN2840441Y Self-cleaning buttocks type piston control automatic flushing closet voltage limiting shockproof device |
11/22/2006 | CN2840440Y Self-cleaning buttocks type piston control automatic flushing closet additional voltage limiting shockproof device |
11/22/2006 | CN2840439Y DC power supply load short-circuit self-restoring circuit |
11/22/2006 | CN2840438Y Double-protection switch |
11/22/2006 | CN2840437Y Temperature adaptive overcurrent short-circuit protection circuit |
11/22/2006 | CN2840400Y Leakage protection socket service life stop display circuit |