Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
11/2013
11/06/2013CN203276439U Video taking guard capable of protecting lock hole
11/06/2013CN203276158U Multiplex signal interface voltage protection circuit
11/06/2013CN203270441U Lightening-proof highway bridge
11/06/2013CN103384066A Automatic tracking compensation system of turns adjusting type arc suppression coil
11/06/2013CN103384065A Bias magnetic type arc suppression coil automatic tracking compensation method
11/06/2013CN103384064A Distribution system concentrated ground protection and lightning protection device and system
11/06/2013CN103384063A Surge protection circuit and production method thereof
11/06/2013CN103384055A Short circuit protection method using common luminous body for replacing relay
11/06/2013CN102570855B Power supply device for taking electricity from high-voltage side in induction manner
11/06/2013CN102403702B HF/VHF frequency-range ultra wide band electromagnetic pulse protection module
11/06/2013CN102231522B Power flow controller with failure current limiting function
11/06/2013CN102097797B Method for eliminating peak value during running of single phase direct-current brushless motor
11/06/2013CN102005747B Drainage device and drainage method
11/06/2013CN101521128B Device for protecting against voltage surges comprising selective disconnection means
11/06/2013CN101330196B 气体放电管 Gas Discharge Tubes
11/05/2013US8576531 Multiphase electric circuit for shutting down a current conducted over respectively one AC power controller
11/05/2013US8576530 Adaptive power management system for aircraft galleys
11/05/2013US8576528 Matrix converter
11/05/2013US8576526 Reduced current leakage in RC ESD clamps
11/05/2013US8576525 Serial surge suppression and overload protection optimization device
11/05/2013US8576524 Diode based ESD triggers
11/05/2013US8576523 Charge pump electrostatic discharge protection
11/05/2013US8576522 Shunt regulator at excitation output of generator control unit for overvoltage protection
11/05/2013US8576521 Adaptive light detection for arc mitigation systems
10/2013
10/31/2013WO2013161483A1 Output driver circuit
10/31/2013WO2013159981A1 Earth-fault system
10/31/2013US20130286527 Communication line isolator
10/31/2013US20130286525 Systems and Methods Providing Current Protection to an Electronic System
10/31/2013US20130286524 Method for improving power distribution protection
10/31/2013US20130286523 Techniques for detecting removal of a connector
10/31/2013US20130286522 Techniques for detecting removal of a connector
10/31/2013US20130286520 Method and apparatus for esd circuits
10/31/2013US20130286518 Electro-static discharge power supply clamp with disablement latch
10/31/2013US20130286516 Gate dielectric protection
10/31/2013DE102013207542A1 Gatedielektrikumsschutz Gatedielektrikumsschutz
10/31/2013DE102012206888A1 LED-Anordnung LED array
10/30/2013EP2658068A1 Device for overvoltage detection
10/30/2013EP2658067A1 Device for overvoltage detection
10/30/2013EP2658066A1 Device for the detection of overvoltage
10/30/2013EP2658063A2 Subtransient current suppression
10/30/2013EP2658061A2 Communication line isolator
10/30/2013EP2656472A1 Field device having a battery unit
10/30/2013CN203261086U Multifunctional mobile power source
10/30/2013CN203261029U Power grid grounding compensation device based on arc suppression transformer
10/30/2013CN203261028U Arc suppression coil device based on active inverter
10/30/2013CN203261027U Screw-in surge protector
10/30/2013CN203261026U Mbps network surge protection device with POE function
10/30/2013CN203261025U Interphase overvoltage protector for vacuum circuit breaker
10/30/2013CN203261024U Three-phase lightning protection device
10/30/2013CN203261023U Serial communication protection device
10/30/2013CN203261022U Gigabit-network lightning protection device with POE function
10/30/2013CN203261021U Lightening surge suppression circuit
10/30/2013CN203261020U Combined type overvoltage protector
10/30/2013CN203261019U Lightning protection device of outdoor camera
10/30/2013CN203261018U Lightning protection device for mega-byte network
10/30/2013CN203261017U Single-phase lightning protection device
10/30/2013CN103380555A Protective device
10/30/2013CN103378591A Communication line isolator
10/30/2013CN103378590A Subtransient current suppression
10/30/2013CN103378589A Electrostatic discharge protective device
10/30/2013CN103378588A New energy auto high-voltage electrical box
10/30/2013CN103378587A Electrostatic discharge protection circuit and method, drive circuit and integrated circuit
10/30/2013CN102074946B External device for preventing PLC module from being burnt out due to high input voltage
10/30/2013CN101685961B Power supply circuit of audio frequency power amplifier
10/30/2013CN101267112B Sudden wave protection circuit and connector and electronic device using this circuit
10/29/2013US8570780 Semiconductor device
10/29/2013US8570701 Rackmount I/O signal protector assembly for surge protection
10/29/2013US8570700 Protection apparatus for load circuit
10/29/2013US8570698 ESD protection for FinFETs
10/29/2013US8570696 Protection circuit for hard disk
10/29/2013US8570694 Low voltage electrostatic discharge protection
10/29/2013US8570693 Compensating for an electrostatic discharge capacitance load
10/29/2013CA2544371C Switching device combination for capacitive loads connected to direct voltage
10/26/2013CA2803400A1 Subtransient current suppression
10/24/2013WO2013158383A1 Methods, systems and apparatus for determining whether an accessory includes particular circuitry
10/24/2013US20130279057 Current limiting systems and methods
10/24/2013US20130279056 Voltage monitoring circuit, and vehicle equipped with same
10/24/2013US20130279055 Methods, systems and apparatus for determining whether an accessory includes particular circuitry
10/24/2013US20130279052 Esd protection device with a tunable holding voltage for a high voltage programming pad
10/24/2013US20130279051 Sharing Stacked BJT Clamps for System Level ESD Protection
10/24/2013US20130279049 Enclosed metering and protective electrical apparatus including an external disconnect handle
10/24/2013US20130279047 Load drive device
10/24/2013US20130278301 Power Management Integrated Circuit for Driving Inductive Loads
10/24/2013DE102013206452A1 ESD-Schutzvorrichtung mit abstimmbarer Haltespannung für ein Hochspannungsprogrammier-Pad ESD protection device with tunable withstand voltage for a high voltage programming pad
10/23/2013EP2654158A1 Protective device
10/23/2013EP2654144A2 Smart bonding method for equipment including a remote control panel and a control panel having a metal case for underground wells
10/23/2013EP2654124A1 Explosion-proof enclosure
10/23/2013CN203251091U Ground comprehensive protecting device for electricity utilization
10/23/2013CN203251090U Novel turn-adjustable switching device for secondary damping resistor of arc suppression coil
10/23/2013CN203251089U Overvoltage protector wiring structure
10/23/2013CN203251088U Combined WLAN system lightning protection device
10/23/2013CN203251087U Protection circuit of car one-click starting device
10/23/2013CN203251086U 球磨机磨音检测电路 Ball mill grinding sound detection circuit
10/23/2013CN203251085U Circuit improving output voltage overshoot
10/23/2013CN203251084U Bi-directional current limiter based on bi-directional BUCK converter
10/23/2013CN203250402U Household accumulated water notification device
10/23/2013CN203250369U Intelligent household early warning device
10/23/2013CN203250368U Anti-theft type integrated dialing warning device
10/23/2013CN203250358U Active protective touching type antitheft device
10/23/2013CN103370882A Radio transmission modules having intrinsic safety
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