Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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11/19/2008 | CN201153214Y Capacitor type booster |
11/19/2008 | CN201153213Y Traverse lightning shock discharging circuit |
11/19/2008 | CN201153208Y Computer automatic electricity and network cutting protector |
11/19/2008 | CN201153193Y Intelligent measurement and control distribution box |
11/19/2008 | CN101309008A Multifunctional lightning protection module |
11/19/2008 | CN100435447C Over current protective element and its producing method |
11/18/2008 | US7453680 Power supply with disconnect fuse |
11/18/2008 | US7453679 Apparatus and method for driving inverter circuit |
11/18/2008 | US7453678 Power interruption system for electronic circuit breaker |
11/18/2008 | US7453676 RC-triggered ESD power clamp circuit and method for providing ESD protection |
11/13/2008 | WO2008137071A2 Industrial process field device with improved battery assembly |
11/13/2008 | WO2008135019A2 Device for protecting data lines against overvoltages |
11/13/2008 | WO2008046062A8 Current limit control with current limiit detector |
11/13/2008 | US20080278877 Overvoltage Protective Device and Method of Overvoltage Protection |
11/13/2008 | US20080278874 Electrostatic discharge (esd) protection structure and a circuit using the same |
11/13/2008 | US20080278873 In package esd protections of ic using a thin film polymer |
11/13/2008 | US20080278872 Electrostatic Discharge Protection Circuit |
11/13/2008 | US20080278868 Overheat protection circuit |
11/13/2008 | US20080277729 Electrostatic discharge protection element |
11/13/2008 | US20080277689 Electro-static discharge protection device |
11/13/2008 | DE10238690B4 Anordnung zur Realisierung einer Sperrimpedanz Arrangement for realizing a blocking impedance |
11/12/2008 | EP1990884A1 Power supply apparatus and control method therefor |
11/12/2008 | EP1989767A2 Emergency power supply |
11/12/2008 | CN201150000Y Autotracking compensation arc-extinguishing apparatus |
11/12/2008 | CN201149999Y Pressure bar packing block apparatus for arc-suppression coil |
11/12/2008 | CN201149998Y Arc-suppression coil compaction structure |
11/12/2008 | CN201149997Y Three-phase combined overvoltage protector with clearance |
11/12/2008 | CN201149996Y Explosion-proof surge protector |
11/12/2008 | CN201149995Y Special surge protective apparatus for cathodic protection system |
11/12/2008 | CN201149994Y Arrester |
11/12/2008 | CN201149987Y Overvoltage protection apparatus |
11/12/2008 | CN201149985Y Multi-function circuit protector |
11/12/2008 | CN201149942Y USB switching equipment with over-current protection function and choice working current range |
11/12/2008 | CN101304140A Power supply inserted terminal with wave-projecting protection function |
11/12/2008 | CN101303387A Direct current injection type route selecting positioning system and method thereof |
11/12/2008 | CN100433492C Current limiting circuit with temperature compensation and method |
11/12/2008 | CN100433491C Magnetic potential balance controllable adjustable reactor |
11/12/2008 | CN100433490C Fault current-limiting circuit for transmission and distribution electric network |
11/11/2008 | US7450360 Multi-mode regulator |
11/11/2008 | US7450358 ESD protective circuit for an electronic circuit having two or more supply voltages |
11/11/2008 | US7450357 Electrostatic discharge protection circuit and semiconductor structure for electrostatic discharge |
11/11/2008 | US7450354 Linear voltage regulator with improved responses to source transients |
11/06/2008 | WO2008131795A1 Illumination device having inrush current limiting circuit |
11/06/2008 | WO2007117480A3 Power supply particularly for a meter-bus |
11/06/2008 | US20080273280 Carbon Nanotube Diodes And Electrostatic Discharge Circuits And Methods |
11/06/2008 | DE102007021190A1 Gerät zum Schutz von Datenleitungen gegen Überspannungen Device to protect data lines from overvoltage |
11/05/2008 | EP1987577A1 Electrical circuit with incendive arc prevention |
11/05/2008 | EP1500143B1 Low input capacitance electrostatic discharge protection circuit utilizing feedback |
11/05/2008 | EP0948123B1 Protecting method for inrush current preventing resistor |
11/05/2008 | CN201146387Y Arc-extinguishing cabinet |
11/05/2008 | CN201146386Y Magnetic valve type continuation adjustable arc-suppression coil |
11/05/2008 | CN201146385Y Apparatus for discrimination and protection of eliminating single phase ground fault of neutral point non-useful earthing electric network |
11/05/2008 | CN201146384Y Power supply lightning protection box |
11/05/2008 | CN201146383Y Multiple in one surge protective machine |
11/05/2008 | CN201146382Y Surges protector for wire-distribution board |
11/05/2008 | CN201146381Y Power supplier capable of hoisting efficiency |
11/05/2008 | CN201146370Y Apparatus for reducing excitation inrush current of rectifier transformer |
11/05/2008 | CN101299543A Solar controller |
11/05/2008 | CN101299541A Supervoltage magnetic-controlled shunt reactor excitation equipment |
11/05/2008 | CN100431234C Electronic apparatus |
11/04/2008 | US7446991 ESD protection circuits and related techniques |
11/04/2008 | US7446990 I/O cell ESD system |
11/04/2008 | US7446583 Switching arrangement for interconnecting electrolytic capacitors |
11/04/2008 | US7446507 Overcurrent detection method and detection circuit |
10/30/2008 | WO2008130891A1 Stacked esd protection circuit having reduced trigger voltage |
10/30/2008 | WO2008128525A2 Power screwdriver |
10/30/2008 | WO2008028035A3 Magnetic techniques to address electrostatic discharge |
10/30/2008 | WO2007056668A3 Circuit interrupting device with reverse wiring protection |
10/30/2008 | US20080267234 Apparatus for dissipating heat in electro-optical communications systems |
10/30/2008 | US20080266741 Conditioner With Coplanar Conductors |
10/30/2008 | US20080266740 Overvoltage protection in a power supply |
10/30/2008 | US20080266739 Protection circuit and method therefor |
10/30/2008 | US20080266732 Trip indicator member, and limiter and electrical switching apparatus including a plurality of trip indicator members |
10/30/2008 | US20080266731 Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit |
10/30/2008 | US20080266730 Spark Gaps for ESD Protection |
10/30/2008 | US20080266729 Radio Frequency Interface Circuit for a Radio Frequency Identification Tag |
10/30/2008 | US20080266727 Control of a power semiconductor switch |
10/30/2008 | US20080265845 Specially improved automotive replacement voltage regulator |
10/30/2008 | US20080265326 Structure and method for self protection of power device with expanded voltage ranges |
10/30/2008 | DE102007024622A1 Overvoltage protective device for e.g. electronic measuring circuit, in electrical system, has inner electrode held in electrically conductive contact with electrode in position against restoring force of spring element |
10/30/2008 | CA2684787A1 Power screwdriver |
10/29/2008 | EP1342398A4 Energy pathway arrangements for energy conditioning |
10/29/2008 | EP1334543A4 Energy pathway arrangement |
10/29/2008 | EP1334542A4 Amalgam of shielding and shielded energy pathways and other elements for single or multiple circuitries with common reference node |
10/29/2008 | CN201142574Y Surge protector for intrinsic safety type instrument |
10/29/2008 | CN201142573Y Lightning protection type optoelectronic isolator |
10/29/2008 | CN201142562Y Short circuit fault current limiter with adjustable impedance |
10/29/2008 | CN101297452A Gas-filled surge arrester, activating compound, ignition stripes and method therefore |
10/29/2008 | CN101297451A Transient triggered protection of IC components |
10/29/2008 | CN101295843A Power socket device |
10/28/2008 | US7443647 Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package |
10/28/2008 | US7443308 Enhanced AC immunity in ground fault detection |
10/28/2008 | US7443054 Environmentally hardened Ethernet switch |
10/26/2008 | CA2629585A1 Trip indicator member, and limiter and electrical switching apparatus including a plurality of trip indicator members |
10/23/2008 | WO2008125022A1 Core-saturated superconductive fault current limiter and control method of the fault current limiter |
10/23/2008 | US20080259512 Electrostatic discharge protection device having low junction capacitance and operational voltage |
10/23/2008 | US20080259511 Stacked ESD Protection Circuit Having Reduced Trigger Voltage |
10/22/2008 | EP1983398A1 Resonance field discharge |
10/22/2008 | EP1983348A1 Circuit for measuring, limiting and switching a load current |
10/22/2008 | EP1982397A1 Flameproof apparatus using non-grounded energy-limiting barrier |