Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
08/2010
08/11/2010CN201547536U Centralized driving combined type LED lamp
08/11/2010CN101800469A Electromagnetic interference and electric shock-resistant network earthing method for large-capacity transducer
08/11/2010CN101800424A ESD protective circuit for protecting low-voltage core transistor from high voltage output by using capacitive coupling clamping circuit
08/11/2010CN101800423A Surge protection device for suppression of continuous pulse
08/11/2010CN101800422A Protective device and realization method thereof
08/11/2010CN101800421A Surge protector for lightning protection in base station
08/11/2010CN101800420A Whole electronic security unit alarming module
08/11/2010CN101170257B Backup protection unit for surge protector
08/10/2010US7773442 Memory cell array latchup prevention
08/10/2010US7773361 Medium voltage signal coupling structure for last leg power grid high-speed data network
08/10/2010US7773359 Overcurrent protection system and method
08/10/2010US7773357 Auto-detecting CMOS input circuit for single-voltage-supply CMOS
08/10/2010US7773356 Stacked SCR with high holding voltage
08/10/2010US7773355 ESD protection circuits for RF input pins
08/10/2010US7773353 Power supply device, electrically-driven vehicle incorporating power supply device, and method of controlling power supply device
08/05/2010WO2010086520A1 Device for reducing an inrush current in transient state
08/05/2010US20100195258 Voltage Disturbance And Harmonics Monitor
08/05/2010US20100195256 Method and apparatus for protecting power systems from extraordinary electromagnetic pulses
08/05/2010US20100195255 Intrinsically Safe Communications Circuit
08/05/2010US20100195254 Overcurrent and brown out protection apparatus
08/04/2010EP2212982A2 Adaptive electrostatic discharge (esd) protection of device interface for local interconnect network (lin) bus and the like
08/04/2010EP2212981A2 Adaptive electrostatic discharge (esd) protection of device interface for local interconnect network (lin) bus and the like
08/04/2010EP2212912A2 Voltage surge protection circuit
08/04/2010CN201541127U Domestic lightning and surging protection device
08/04/2010CN201541126U Lightning protection system for solar power generating device
08/04/2010CN201541125U Protective circuit of generator booster
08/04/2010CN201541124U Circuit for protecting digital subscriber lines
08/04/2010CN201541121U Bidirectional thyristor protection circuit
08/04/2010CN201541118U Three-phase power protecting device of power load
08/04/2010CN101796702A Method and system for limiting a current in an alternating current generator
08/04/2010CN101796639A Common gate connected high voltage transient blocking unit
08/04/2010CN101795515A Started overshoot current suppression circuit
08/04/2010CN101794999A Transient state and stable state resisting combination interference power filter and design method thereof
08/04/2010CN101794989A Current-limiting and controlling method of active damping of current-limiting and tank circuit
08/04/2010CN101263439B Improved inrush current limiter device and power factor control circuit having the same
08/04/2010CN101227087B PoE port and lightning protection device thereof
08/03/2010US7769497 Method of super super decoupled loadflow computation for electrical power system
08/03/2010US7768763 Arrangement for energy conditioning
08/03/2010US7768762 Design structure for an on-chip high frequency electro-static discharge device
08/03/2010US7768761 Surge protection device
08/03/2010US7768757 Circuit diagnostics switch system
08/03/2010US7768753 Circuit arrangement for protection against electrostatic discharges and method for diverting electrostatic discharges
08/03/2010US7768752 Overvoltage protection circuit
08/03/2010US7768339 Voltage regulator
08/03/2010US7768274 Voltage tolerance measuring apparatus for motherboard
07/2010
07/29/2010WO2010047890A3 Method and apparatus for protecting power systems from extraordinary electromagnetic pulses
07/29/2010US20100188788 Electrostatic Discharge Protection Circuit
07/29/2010US20100188787 Method and apparatus to reduce footprint of esd protection within an integrated circuit
07/29/2010US20100188786 Fault Current Limiter
07/29/2010US20100188785 Device for monitoring and protecting the power supply of electrical equipment and method for implementing said device
07/29/2010US20100188784 Circuitry and methodology for protecting a boost dc/dc converter
07/28/2010CN201536260U 多间隙触发电涌保护器 Multi-gap triggered a surge protector
07/28/2010CN201536259U Surge interference recording device
07/28/2010CN201536258U Direct lightning stroke protection device with umbrella skirt
07/28/2010CN201536104U 一种静电保护电路 An electrostatic protection circuit
07/28/2010CN201536087U 一种特高压断路器 One kind of ultra-high voltage circuit breakers
07/28/2010CN101789595A Current-limiting type lightning induced surge voltage absorber
07/28/2010CN101789594A Overvoltage protector for working condition of supernormal centrifugal acceleration
07/28/2010CN101789593A Surge protective device with detection function
07/28/2010CN101789592A Intelligent protection module for surge protector
07/28/2010CN101789591A Novel back-up protection device for surge protector
07/28/2010CN101789590A Novel surge protective device
07/28/2010CN101789589A Mixed-type high-temperature superconducting short trouble current limiter
07/28/2010CN101789170A Isolator with surge protection
07/28/2010CN101291052B Manufacturing method of control device for low-voltage isolation technique
07/27/2010US7764481 Overvoltage protective device and method of overvoltage protection
07/27/2010US7764480 Electronic device, and circuit and method for protecting the same
07/27/2010US7764477 Electrostatic discharge protection circuit including ovonic threshold switches
07/27/2010US7764476 Power-rail ESD protection circuit without lock-on failure
07/27/2010US7764475 Electrostatic discharge circuit and method for reducing input capacitance of semiconductor chip including same
07/27/2010US7764474 Earth leakage circuit breaker
07/22/2010WO2010082861A1 Lighting arrester and a power transmission line provided with such an arrester
07/22/2010US20100182726 Inrush current limitation circuit
07/22/2010US20100182724 Composite electronic device and digital transmission circuit using thereof
07/22/2010US20100181834 Circuit arrangement for the selective operation of at least two electric machines
07/22/2010US20100181621 Signal and power supply integrated esd protection device
07/22/2010US20100180438 Method for Making Arrangement for Energy Conditioning
07/22/2010CA2750214A1 Lightning arrester and a power transmission line provided with such an arrester
07/21/2010EP2208208A1 Surge diverter comprising a housing and at least one diverting element, especially a varistor
07/21/2010CN201533251U Special-purpose power supply module for power consumption monitoring terminal
07/21/2010CN201533163U Broadband low residual voltage antenna feeder lightning protection device
07/21/2010CN201533162U Multipurpose integrated lightning and electromagnetic impulse prevention module
07/21/2010CN201533161U Electrical equipment lightning-protection device
07/21/2010CN201533160U Anti-surge protection circuit
07/21/2010CN201533159U Multi-point grounding online monitoring device of transformer iron core
07/21/2010CN201533158U Overvoltage restraining and inrush current limiting circuit
07/21/2010CN201533157U Electrostatic protection circuit
07/21/2010CN1941531B Three-sectional protection method for resisting overcurrent
07/21/2010CN101785162A Transient blocking unit having a fab-adjustable threshold current
07/21/2010CN101783509A Mis-plug prevention device for surge protector
07/21/2010CN101783508A Full-electronic security unit module
07/21/2010CN101783507A Surge current suppression circuit
07/21/2010CN101783506A Detection and current-limiting protection circuit
07/21/2010CN101783495A Protection device and protection method for preventing high voltage from invading communication bus
07/21/2010CN101783343A Electro-static discharge protective circuit and integrated circuit
07/21/2010CN101782775A Signal isolation distributor with surge protector
07/21/2010CN101782611A On-line detector of surge protector
07/21/2010CN101394085B Quick converting switch based liquid metal current limiting device, current limiting method therefor
07/21/2010CN101247236B Ethernet power receiving equipment and its protection method
07/20/2010US7760479 Technique for combining in-rush current limiting and short circuit current limiting
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