Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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01/23/2014 | US20140022677 Protection element, semiconductor device, and electronic system |
01/22/2014 | EP2686931A1 Series current limiter using a magnetic circuit comprising holes and windows |
01/22/2014 | EP2686930A1 System and method of streamlining energy efficiency for application in cooling equipment compressors |
01/22/2014 | CN203406776U DC power supply |
01/22/2014 | CN203406606U Lightning protection circuit powered over gigabit Ethernet (POE) |
01/22/2014 | CN203406605U Control circuit for inhibiting surge current |
01/22/2014 | CN203406604U IGBT current foldback circuit and convertor assembly |
01/22/2014 | CN203406603U 浪涌保护器 Surge Protector |
01/22/2014 | CN203406123U Surge current prevention electromagnetic coil |
01/22/2014 | CN103532578A Voltage amplitude-limiting module of antenna in radio frequency identification system |
01/22/2014 | CN103532125A Secondary damping method for shortening response time of arc suppression coil |
01/22/2014 | CN103532124A Main transformer neutral point CT arrangement system |
01/22/2014 | CN103532123A Protective circuit for switching over-voltage protection of dry air reactor |
01/22/2014 | CN103532122A Open-circuit prevention protector of current transformer |
01/22/2014 | CN103532121A Over-current protector for voltage suppression in high-frequency interface of electronic tag |
01/22/2014 | CN103532120A Over-current protector applied to high-frequency interface in electronic tag |
01/22/2014 | CN103532119A Voltage amplitude-limiting system of antenna signal in electronic tag |
01/22/2014 | CN103532118A Inrush current limiting circuit |
01/22/2014 | CN103532117A USB electrostatic protection device and terminal equipment |
01/22/2014 | CN102263403B Impedance switching device |
01/22/2014 | CN102255298B Power electronic failure current limiter |
01/22/2014 | CN101872965B Current-limiting energy storage circuit and control method thereof |
01/21/2014 | US8634176 Overvoltage protector |
01/21/2014 | US8634174 Gate dielectric breakdown protection during ESD events |
01/21/2014 | US8634173 Semiconductor apparatus |
01/21/2014 | US8634172 Silicon controlled rectifier based electrostatic discharge protection circuit with integrated JFETs, method of operation and design structure |
01/21/2014 | US8634171 Over voltage protection of a switching converter |
01/21/2014 | US8634170 Semiconductor integrated circuit |
01/21/2014 | DE202012012810U1 Erdschluss-System Ground fault system |
01/16/2014 | US20140016235 Inrush current suppression apparatus |
01/16/2014 | US20140015345 Current limiting circuit for electrical devices |
01/16/2014 | US20140015316 Control unit |
01/16/2014 | DE102013010910A1 LED-Beleuchtungsvorrichtung mit einer niedrigeren Betriebstemperatur LED lighting device having a lower operating temperature |
01/16/2014 | DE102012212118A1 Circuit device for charging intermediate charging capacitor connected with battery of motor vehicle, directs charging current flows through current limiter from battery to charging capacitor |
01/15/2014 | EP2685787A1 Light emitting element lighting device and lighting fixture using same |
01/15/2014 | EP2684267A2 A current limitation system for limiting the effects of a fault in a dc grid and a method of operating a current limitation system |
01/15/2014 | CN203399102U 收发器电路 Transceiver circuitry |
01/15/2014 | CN203398782U 相控式消弧线圈 Phased Petersen Coil |
01/15/2014 | CN203398781U Overvoltage protection circuit |
01/15/2014 | CN203398780U Vehicle-mounted anti-surge-voltage protection device |
01/15/2014 | CN203398779U Super capacitor module group with two-level dynamic balancing circuit |
01/15/2014 | CN203398778U Device for improvement of power-grid-harmonic-wave-caused abnormal fusing of primary fuse of capacitive voltage transformer |
01/15/2014 | CN203398777U Clock interface circuit with electrostatic protection function |
01/15/2014 | CN203398776U FC network port electrostatic protection circuit |
01/15/2014 | CN203398758U Novel rod-plate-rod protection gap apparatus for protecting transformer neutral points |
01/15/2014 | CN203397943U Driver for permanent magnetic mechanism |
01/15/2014 | CN203397429U Special circuit breaker circuit of prepaid electricity meter |
01/15/2014 | CN203396823U Middle/low-frequency lightning current shunting and monitoring device |
01/15/2014 | CN103518299A Method and apparatus for clearing a fuse in a single output multi load configuration |
01/15/2014 | CN103517481A LED constant-current driver overvoltage and overcurrent protection module |
01/15/2014 | CN103516187A Bleeding circuit and method for reducing power consumption of an emi filter |
01/15/2014 | CN103515945A Esd补强电路 Esd reinforcement circuit |
01/15/2014 | CN103515944A Power Clamp for ESD protection between power supply and ground by adopting dual-channel technology |
01/15/2014 | CN103515943A Minitype intelligent thunder protective system |
01/15/2014 | CN103515942A Protection circuit of communication interface |
01/15/2014 | CN103515941A Electrostatic discharging protecting circuit, array substrate and display device |
01/15/2014 | CN103515940A Transient voltage suppressor circuit, and diode element used in transient voltage suppressor circuit and manufacturing method of diode element |
01/15/2014 | CN103515939A 静电放电保护电路 Electrostatic discharge protection circuit |
01/15/2014 | CN103515923A Interface unit having overcurrent and overvoltage protection device |
01/15/2014 | CN102306933B Short-circuit current limiter with high reliability and method thereof |
01/15/2014 | CN102231598B Power supply circuit |
01/15/2014 | CN101938119B Transient voltage suppressor (TVS) with improved clamping voltage |
01/14/2014 | US8630078 Active AC inrush current control |
01/14/2014 | US8630074 Over-temperature protected triac and protection method |
01/14/2014 | US8630073 Integrated circuit provided with a protection against electrostatic discharges |
01/14/2014 | US8630072 Circuits including a diode string comprised of bipolar stages having an adjustable pseudo beta for ESD protection |
01/14/2014 | US8630071 ESD protection scheme for designs with positive, negative, and ground rails |
01/09/2014 | WO2014007647A1 Power and telecommunications surge protection apparatus |
01/09/2014 | WO2014005747A1 Encapsulated surge protection device capable of carrying lightning currents and limiting follow currents and comprising at least one spark gap |
01/09/2014 | US20140012520 Photovoltaic string monitor |
01/09/2014 | DE102013106370A1 Schaltungsschutz Circuit Protection |
01/09/2014 | CA2857243A1 Power and telecommunications surge protection apparatus |
01/08/2014 | EP2681823A1 Protecting an operation control unit connected to an electric machine via a long cable |
01/08/2014 | CN203387395U High-energy surge resistance DC source filter |
01/08/2014 | CN203387177U Lightning protection sale terminal equipment |
01/08/2014 | CN203387176U High-energy high-voltage lightning-protection module of wind generating set |
01/08/2014 | CN203387175U Battery management system voltage surge protection circuit applicable to electric vehicles |
01/08/2014 | CN203387174U Device and system for concentrated grounding protection and lightning protection in distribution system |
01/08/2014 | CN203387173U Dynamic interval discharger |
01/08/2014 | CN203387172U Apparatus and system for clamp electrostatic discharge |
01/08/2014 | CN203387171U Modem surge protection circuit |
01/08/2014 | CN203387155U Current-limiting hybrid direct-current circuit breaker based on power electronic compound switch |
01/08/2014 | CN203387152U Rapid cut-off protection circuit |
01/08/2014 | CN203387112U Portable cable protective layer protector defect remedying apparatus |
01/08/2014 | CN103503269A System for distributing electric power to an electrical grid |
01/08/2014 | CN103503138A Semiconductor device arrangement with a first semiconductor device and with a plurality of second semi conductor devices |
01/08/2014 | CN103500992A Method for tuning arc suppression coil of power distribution network |
01/08/2014 | CN103500983A Circuit of miniature electric leakage circuit breaker |
01/08/2014 | CN103500981A Intrinsic safety correlator for connecting non-intrinsic safety circuit with ac/dc (alternating-current/direct-current) intrinsic safety circuit |
01/08/2014 | CN103499730A Safety electricity testing and discharging device |
01/08/2014 | CN102394486B Protection module used for double power switch controller |
01/08/2014 | CN102354964B Surge absorber containing non-solid conductor |
01/08/2014 | CN102332700B Anti-lightning leakage detection and protection circuit |
01/07/2014 | US8625246 DSL protection circuit |
01/07/2014 | US8625244 System and method for circuit overcurrent protection |
01/07/2014 | US8625239 Semiconductor device |
01/07/2014 | US8625238 Ground-fault circuit interrupter |
01/07/2014 | US8624694 Residual-current circuit breaker |
01/07/2014 | US8624578 Branch current monitor with configuration |
01/07/2014 | US8624569 Voltage regulator |