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