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) |
---|
09/03/2008 | CN101257200A Power supply electric surge intelligent control method and device |
09/03/2008 | CN100416966C Motor controller containing electronic circuit for preventing starting current |
09/03/2008 | CN100416961C Method for prtecting power network |
09/03/2008 | CN100416960C Omnidirectional human safety protector for heat storage electric water heater |
09/03/2008 | CN100416959C Traveling wave protective data acquisition plan considering asynchronous switching of 3-phase breaker |
09/02/2008 | US7421353 Digital integration method |
09/02/2008 | US7420792 Linear charger where the material temperature directly affects the circuit thermal control |
09/02/2008 | US7420791 Fault signature system for power management integrated circuits |
09/02/2008 | US7420790 Integrated circuit with protection against electrostatic damage |
08/28/2008 | WO2008103342A1 Device and method for detecting faulted phases in a multi-phase electrical network |
08/28/2008 | WO2007137180A3 Bi-directional ground fault circuit interrupter |
08/28/2008 | US20080208270 High voltage capacitor route with integrated failure point |
08/28/2008 | US20080204959 Method for fault handling in a converter circuit for wiring of three voltage levels |
08/28/2008 | US20080204956 Override protection circuit device |
08/28/2008 | US20080204955 Arc fault circuit interrupter and method of parallel arc fault detection |
08/28/2008 | US20080204954 Method and apparatus to evaluate notches in an electrical power system |
08/28/2008 | US20080204953 System and method for detecting the presence of an unsafe line condition in a disconnected power meter |
08/28/2008 | US20080204951 Safety device for prevention of electrical shocks |
08/28/2008 | US20080203941 Image display apparatus and method of controlling over-current therefor |
08/28/2008 | DE202007006049U1 Bearbeitungstisch für Handwerkzeugmaschinen und Maschinenschalter Working table for hand tools and machines switch |
08/27/2008 | EP1961271A1 Current zero crossing detector in a dimmer circuit |
08/27/2008 | EP1155487B1 Circuit breaker |
08/27/2008 | CN201107836Y Electric security control device for maintaining micro-wave oven |
08/27/2008 | CN201107835Y Household electrical distribution box |
08/27/2008 | CN201107834Y Electric water heater anti-electricity device with time-sharing detection function |
08/27/2008 | CN201107825Y Novel earth leakage protection socket |
08/27/2008 | CN201107824Y Novel earth leakage protection socket |
08/27/2008 | CN201107823Y Novel earth leakage protection socket |
08/27/2008 | CN201107822Y Intelligent type water dispenser power-saving and defending socket |
08/27/2008 | CN101252270A Circuit for preventing phase of three-phase power supply from unbalance |
08/27/2008 | CN101252269A Leakage relay |
08/27/2008 | CN101252240A General-purpose electric appliance diad anti-electricity plug with dual selection functions |
08/27/2008 | CN100414810C Voltage identification short circuit protection constant current voltage stabilizing circuit |
08/27/2008 | CN100414798C Earth leakage protective device and electric switch including the protective device |
08/27/2008 | CN100414797C Method for judging high-voltage polar wire short out of low voltage polar wire in back-to-back DC engineering |
08/27/2008 | CN100414796C Under-voltage isolating monitoring circuit |
08/26/2008 | US7418632 Service processing system, processing result management device and processing result checking method of service processing system |
08/26/2008 | US7418618 Error reporting and correcting method for peripheral |
08/26/2008 | US7417842 Apparatus for power conversion in electric rolling stock |
08/26/2008 | US7417841 Apparatus and method for fusing voltage surge and transient anomalies in a surge suppression device |
08/26/2008 | US7417840 Self-supplied electronic protection device for automatic circuit-breakers |
08/26/2008 | US7417836 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
08/26/2008 | US7417835 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
08/26/2008 | US7417834 Shutoff system for pool or spa |
08/26/2008 | US7417338 Disconnecting device for communications connections |
08/26/2008 | US7417336 Combination current hysteresis and voltage hysteresis control for a power converter |
08/21/2008 | WO2008100925A2 Tamper resistant interrupter receptacle having a detachable metal skin |
08/21/2008 | WO2008100129A1 An overvoltage and/or undervoltage protection device |
08/21/2008 | WO2008099037A1 Electric line protection for determining the direction in which a fault occurs |
08/21/2008 | WO2008098813A1 Electronic security for a power supply |
08/21/2008 | WO2008098532A1 State display device for an electric fuse cut-out |
08/21/2008 | WO2008032225A3 Refrigeration monitor unit |
08/21/2008 | US20080198527 Surge protection device and surge protection apparatus using thereof |
08/21/2008 | US20080198526 Semiconductor device |
08/21/2008 | US20080198525 Method for Current Protection of a Power Switch and Apparatus for Implementing Same |
08/21/2008 | US20080198524 Absorption gas arrestor system |
08/21/2008 | US20080198523 Circuit Breaker for a Solar Module |
08/21/2008 | US20080198522 Device and Method for Supplying Direct Voltage |
08/21/2008 | US20080198521 Circuit Breaker Trip Unit with Zone Selective Interlock and System Monitoring |
08/21/2008 | US20080197715 Method and Device For Controlled Reclosing of a Circuit Breaker |
08/21/2008 | DE60317383T2 Datenwiederherstellungsvorrichtung unter Verwendung von Journaldaten und Identifikationsinformation Data recovery apparatus using journal data and identification information |
08/20/2008 | EP1142119B1 On-chip decoupling capacitor system with parallel fuse |
08/20/2008 | CN201104281Y Chief electric power intelligent controller of multimedia teaching system |
08/20/2008 | CN101248358A Device for current detection and method for operating the same |
08/20/2008 | CN101247695A Filament open-circuit protector for constant-current light modulation system of air station navigation light |
08/20/2008 | CN101247040A Permanent fault discrimination method for electric power line with shunt reactor |
08/20/2008 | CN101247036A Three-phase power supply monitoring circuit |
08/20/2008 | CN101247035A Aftercurrent protecting equipment |
08/20/2008 | CN101247010A Novel creepage protecting socket |
08/20/2008 | CN101244855A Magnetic confinement fluid electricity-prevention apparatus |
08/20/2008 | CN100413216C Circuit device of monitoring power voltage |
08/20/2008 | CN100412740C Source and system which are used to power a removable electric charge |
08/20/2008 | CN100412556C Low-voltage electric network sequential discriminating leakage selecting method and protector |
08/19/2008 | US7415643 Coverage circuit for performance counter |
08/19/2008 | US7415642 Method for creating defect management information in an recording medium, and apparatus and medium based on said method |
08/19/2008 | US7415630 Cache coherency during resynchronization of self-correcting computer |
08/19/2008 | US7414867 Power conversion device |
08/19/2008 | US7414820 Protective apparatus |
08/19/2008 | US7414819 Methods and systems for sectionalizing a looped distribution line in a power distribution system |
08/19/2008 | US7414499 Circuit interrupting device with a single test-reset button |
08/19/2008 | US7414335 Inrush current controller |
08/14/2008 | WO2008097982A1 Fuse saving power distribution system fault protection |
08/14/2008 | WO2008064914A3 Calibrating a powered actuator |
08/14/2008 | WO2008063859A3 Adaptive relaying controlled by autonomous event detection |
08/14/2008 | US20080192400 Overload and Short-Circuit Protection Device With a Breaker Ribbon |
08/14/2008 | US20080192399 Secondary battery apparatus and a protection circuit thereof |
08/14/2008 | US20080192397 Circuit and method for short circuit protection |
08/14/2008 | US20080192396 Over-voltage protection circuit and method thereof |
08/14/2008 | US20080192394 Surge Protection Device |
08/14/2008 | US20080192393 Novel circuit interrupting device with end of life testing functions |
08/14/2008 | US20080192389 Arc suppression device, system and methods for liquid insulated electrical apparatus |
08/14/2008 | DE102007006564A1 Line safety switch or circuit-breaker comprise input terminal and output terminal, which are connected by current path, where device measures phase of alternating current |
08/13/2008 | EP1956494A2 Controller having discrete driver circuitry connected to a single processor port |
08/13/2008 | EP1955347A2 Circuit breaker including open neutral interlock |
08/13/2008 | CN201100939Y Intelligent protector for electric spanner |
08/13/2008 | CN101242095A A permanent failure judgement method for power transmission line with parallel reactor |
08/13/2008 | CN101242090A Over-voltage protector |
08/13/2008 | CN101242089A Method of forming an over-voltage protection circuit and structure therefor |
08/13/2008 | CN101242088A Interruption line protector |
08/13/2008 | CN100411271C Method for determining abnormal reversion of DC engineering power without influence by induced voltage |