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