Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
05/2010
05/19/2010CN201478829U Comprehensive system power supply protector
05/19/2010CN201478828U Neutral point grounding system of 35 KV power grid
05/19/2010CN201478827U Automatic tracking compensation arc extinction route selection set
05/19/2010CN201478826U Matrix type lightning surge protector
05/19/2010CN201478825U Power supply over voltage protection module for multi-gap metal gas discharge tube
05/19/2010CN201478824U Surge protection circuit and flyback type power factor correction device
05/19/2010CN201478823U Waterproof-type two-in-one lightning arrester for video circuit and power circuit
05/19/2010CN201478822U Waterproof-type three-in-one lightning arrester
05/19/2010CN201478821U Overvoltage protector for indirect neutral point-grounding power system in three-phase power grid
05/19/2010CN201478820U Thyristor protector
05/19/2010CN201478819U Power supply lightning protection unit of power supply lightning protection cabinet
05/19/2010CN201478818U Surge protection device
05/19/2010CN201478817U Lightning protector for power supply
05/19/2010CN201478816U Air blowing and variable gap arc extinguishing lightning protection gap device
05/19/2010CN201478815U Lightning protection circuit with high reliability
05/19/2010CN201478814U Low-voltage power distribution system surge protection device
05/19/2010CN201478813U Surging-current prevention device
05/19/2010CN201478812U Duct motor driving circuit structure with automatic protection and warning functions
05/19/2010CN201478811U Safety unit with double-warning shell
05/19/2010CN201478810U Zero-impact current soft start circuit
05/19/2010CN201478768U Adjustable clearance lightning protection device for a distribution line of a power system
05/19/2010CN101710700A Semiconductor integrated circuit
05/19/2010CN101710699A Lightning protection device of monitoring equipment
05/19/2010CN101710698A Permanent-magnetic AC reactor current restrictor
05/19/2010CN101710697A Device and method for inhibiting direct current of neutral point of transformer
05/19/2010CN101217234B An electrostatic protection structure of high voltage drive integrated circuit
05/19/2010CN101034803B Failure current limit device based on the rectifying bridge and bidirectional switch switching
05/18/2010US7719815 Surge absorber
05/18/2010US7719813 Gate-coupled substrate-triggered ESD protection circuit and integrated circuit therewith
05/18/2010US7719811 FET monitoring and protecting system
05/18/2010US7719810 Overvoltage protection circuit and electronic device
05/18/2010US7719807 Field replaceable module for protection circuitry
05/18/2010US7719806 Systems and methods for ESD protection
05/18/2010US7719805 ESD protection circuit
05/13/2010US20100120391 Input stage for an amplifier
05/13/2010US20100118463 Surge arrester with mounting bracket
05/13/2010US20100118462 Method for limiting current and circuit therefor
05/13/2010US20100118457 Electrostatic discharge protection circuit
05/13/2010US20100118456 Cmos integrated circuit
05/13/2010US20100118455 Semiconductor device
05/13/2010US20100118453 Apparatus for Protection of Converter Modules
05/12/2010EP2183834A1 Power dampener for a fault current limiter
05/12/2010DE102008043546A1 Current limiting device for controller to supply defined current to starter motor of internal-combustion engine of commercial vehicle, has resistors i.e. power resistors, made of alloy, where resistors are embedded in sealing compound
05/12/2010CN201467341U Hard disk video recorder capable of receiving balance video frequency signals
05/12/2010CN201466967U Pre-stage circuit of switching mode power supply
05/12/2010CN201466741U Three-phase electricity-saving protection controller
05/12/2010CN201466739U Household universal energy saver
05/12/2010CN201466724U Intelligent single-phase power saving protective controller
05/12/2010CN201466720U Complete device of automatic arc suppression coil
05/12/2010CN201466719U Magnetic valve type arc-suppression coil controlling and grounding fault circuit identifying integrated device
05/12/2010CN201466718U Large capacity three-phase combined overvoltage protection device with series gaps
05/12/2010CN201466717U Lightning protection device
05/12/2010CN201466716U Surge protection circuit
05/12/2010CN201466715U Surge protector of gigabit network
05/12/2010CN201466714U Lightning arrester for communication apparatus
05/12/2010CN201466713U Novel surge protector
05/12/2010CN201466712U Novel surge protector
05/12/2010CN201466711U Surge protector with detection device
05/12/2010CN201466710U Surge protector
05/12/2010CN201466709U External grounding structure of electric transmission line electric pole
05/12/2010CN201466708U Lightning protection system for locomotive operation safety image monitoring
05/12/2010CN201466707U Signal surge protector
05/12/2010CN201466706U Anti-lightning protection circuit of RS485 serial communication interface
05/12/2010CN201466705U Surge protection device
05/12/2010CN201466704U Equipotential isolator and lightning protection device
05/12/2010CN201466703U Signal surge protection device
05/12/2010CN201466702U Parallel resonant short-circuit fault current limiter with series compensation function
05/12/2010CN201466701U Surge protection circuit and device thereof
05/12/2010CN201466700U Overcurrent protection back plate device
05/12/2010CN201466699U Explosion-proof type surge protection device
05/12/2010CN201466698U Permanent magnet offset-type fault current limiter
05/12/2010CN201466697U High-voltage ESD protective circuit
05/12/2010CN201466666U VDSL-type photoelectric security unit
05/12/2010CN201466601U Surging-absorption flame-proof junction box for mine
05/12/2010CN201466383U Anti-surge and anti-lightning energy-saving socket
05/12/2010CN201466378U Novel safety socket
05/12/2010CN201466374U Novel three-phase power-saving protective control socket
05/12/2010CN201466373U Three-phase multi-function electricity-saving protection control socket
05/12/2010CN201466372U Novel power-saving protecting control socket
05/12/2010CN201466371U Multifunctional energy-saving protection control socket
05/12/2010CN201466368U Novel power-saving protecting control socket special for TV
05/12/2010CN201466367U Special television socket with intelligent energy-saving protection control function
05/12/2010CN201466366U Novel power-saving protecting control socket special for computer
05/12/2010CN201466365U Special computer socket with intelligent energy-saving protection control function
05/12/2010CN201466364U Single-phase multifunctional electricity-saving protecting and controlling socket
05/12/2010CN201466363U Novel single-phase electricity-saving protective control socket
05/12/2010CN201466359U Full-automatic energy-saving intelligent socket
05/12/2010CN201466353U Lightning-arresting socket row
05/12/2010CN201464949U Power supply device for multi-media system in taxi
05/12/2010CN201462597U Novel lightning protection LED road lamp
05/12/2010CN1945916B Device to protect against a surge voltage and an electronic apparatus including the same
05/12/2010CN1878323B Security unit
05/12/2010CN1870380B Short-circuit fault current limitter
05/12/2010CN101707369A Arc and resonance elimination comprehensive device for power grid
05/12/2010CN101707368A Electrostatic damage protective device with noise immunologic function and control method thereof
05/12/2010CN101707367A Superconducting current-limiting energy storage circuit
05/12/2010CN101707366A Inter-wire superconducting current-limiting tank circuits
05/12/2010CN101707365A Short-circuit fault current limiter
05/12/2010CN101707364A Self-triggering DC reactor current limiter and applications thereof
05/12/2010CN101707363A Electrostatic damage protection circuit having real-time detection function, and control method thereof