| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 09/18/2013 | CN203205856U Electrostatic protection circuit and battery protection circuit thereof |
| 09/18/2013 | CN203205855U Electrostatic protection circuit applicable to keyboards |
| 09/18/2013 | CN203205854U Electrostatic protection circuit for USB flash disk interface |
| 09/18/2013 | CN203205837U Simple and practical surge suppression circuit and switch power supply |
| 09/18/2013 | CN203205716U Improved DC power box with lightning arrester |
| 09/18/2013 | CN203204746U Combined type anti-theft monitor |
| 09/18/2013 | CN203204061U Single-module lightning stroke counting device used for surge protection device and employing standard guide rail installation mode |
| 09/18/2013 | CN103311917A Transformer direct-current magnetic bias inhibitor |
| 09/18/2013 | CN103311916A Thunder-prevention overvoltage protection device |
| 09/18/2013 | CN103311915A Dynamic interval discharger |
| 09/18/2013 | CN103311914A Overvoltage production circuit of composite type piezoresistor |
| 09/18/2013 | CN103311913A Electrostatic protection trigger circuit |
| 09/18/2013 | CN103311912A Personal electric shock preventing short circuit protection system |
| 09/18/2013 | CN103311882A Lightning protection system |
| 09/18/2013 | CN102610352B Non-inductive coil for high-temperature superconducting resistance-type current restrictor |
| 09/18/2013 | CN102522404B Bidirectional SCR ESD protective circuit for low triggered voltage |
| 09/18/2013 | CN102082424B I/O (input/output) unit and integrated circuit chip |
| 09/18/2013 | CN102055179B 静电放电保护装置 Electrostatic discharge protection device |
| 09/18/2013 | CN102025140B Polymeric positive temperature coefficient (PPTC) overcurrent protection module and electronic products |
| 09/18/2013 | CN102005748B Isolation type positive-negative output constant current protective device |
| 09/18/2013 | CN101902038B Electrostatic protector, electrostatic protection system and visual inspection testing method |
| 09/18/2013 | CN101754835B Power screwdriver |
| 09/17/2013 | US8537519 Semiconductor device and method of electrostatic discharge protection therefor |
| 09/17/2013 | US8537516 Apparatus, method, and system for monitoring of equipment and earth ground systems |
| 09/17/2013 | US8537515 Driving circuit and semiconductor device with the driving circuit |
| 09/17/2013 | US8537513 ESD protection circuit for negative-powered integrated circuit |
| 09/17/2013 | US8537512 ESD protection using isolated diodes |
| 09/17/2013 | US8537511 Systems and methods for grounding power line sections to clear faults |
| 09/17/2013 | US8537510 Method and apparatus for monitoring the isolation of an IT-Grid |
| 09/17/2013 | US8537509 Ground fault detecting and controlling method for parallel-structured high voltage system |
| 09/17/2013 | CA2725973C An apparatus for protecting equipment connected to a high voltage direct current line, and high voltage arrangement and a plant using the apparatus |
| 09/17/2013 | CA2705347C A fault current limiter |
| 09/13/2013 | DE202013103823U1 Zündstromkreis für einen Überspannungsschutz Ignition circuit for a surge protector |
| 09/12/2013 | WO2013134392A1 Electrical breakdown limiter for a high voltage power supply |
| 09/12/2013 | WO2013131897A1 Circuit assembly for the state monitoring and logging of overvoltage protection devices or overvoltage protection systems |
| 09/12/2013 | US20130235498 Cross-domain esd protection scheme |
| 09/12/2013 | US20130235497 ELECTRO-STATIC DISCHARGE CLAMP (ESD) FOR NxVDD POWER RAIL |
| 09/12/2013 | US20130235496 Esd-robust i/o driver circuits |
| 09/12/2013 | US20130235495 Plug-In Unit Protection |
| 09/12/2013 | US20130235493 Protection circuit and power management circuit and electronic device |
| 09/12/2013 | DE202013007705U1 Antriebsschaltung für Leuchtdioden Drive circuit for LEDs |
| 09/12/2013 | DE102012004716A1 Schaltungsanordnung zur Zustandskontrolle und Protokollierung von Überspannungsschutzgeräten oder Überspannungsschutzanlagen Circuit for state control and logging of surge protection devices or overvoltage protection systems |
| 09/11/2013 | CN203193275U Shielding arc-extinguishing device |
| 09/11/2013 | CN203193274U Intelligent capacitor-adjustment arc-extinguishing voltage-limiting device |
| 09/11/2013 | CN203193273U Intelligent turn-adjustment arc-extinguishing voltage-limiting device |
| 09/11/2013 | CN203193272U Convenient-to-dismount dual-protection surge protection device |
| 09/11/2013 | CN203193271U Dual-protection surge protector |
| 09/11/2013 | CN203193270U Self-protection type lightning stroke surge suppressing device |
| 09/11/2013 | CN203193269U Current transformer overvoltage protection device |
| 09/11/2013 | CN203193268U Combined type double end lightning protection device |
| 09/11/2013 | CN203193267U Video lightning protection device and video monitoring system |
| 09/11/2013 | CN203193266U Integrated single-phase symmetric power supply surge protector module |
| 09/11/2013 | CN203193245U Anti-thunder module for wireless access point power supply |
| 09/11/2013 | CN203193244U Hybrid wide power supply |
| 09/11/2013 | CN203192136U Household lightning protection monitor |
| 09/11/2013 | CN203192134U 遥控电话报警器 Remote telephone alarm |
| 09/11/2013 | CN203192133U Integrated alarm eradicating interferences completely |
| 09/11/2013 | CN203192126U Camera shooting warning device possesses over-current protection |
| 09/11/2013 | CN103299502A Trip unit providing remote electrical signal to remotely indicate that an arc reduction maintenance mode is remotely enabled, and electrical switching apparatus including the same |
| 09/11/2013 | CN103297700A Lightening-preventing web camera |
| 09/11/2013 | CN103296671A Overvoltage protection device and method for alternating current side of voltage source converter high voltage direct current transmission system |
| 09/11/2013 | CN103296670A Direct current power supply lightning arrester used for electrical power system |
| 09/11/2013 | CN103296669A Lightning protection device and circuit arrangement mode of circuit board of quarter wavelength lightning protection device |
| 09/11/2013 | CN103296668A Multiple-pulse synchronous thunder and lightning isolating inhibiting unit, circuit and method |
| 09/11/2013 | CN103296667A Arrester |
| 09/11/2013 | CN103296666A Esd protection circuit |
| 09/11/2013 | CN103296665A Transient voltage suppressor |
| 09/11/2013 | CN103296664A Overvoltage protection circuit and electronic device with overvoltage protection circuit |
| 09/11/2013 | CN103296663A Air conditioner and discharging circuit and discharging control method of air conditioner bus capacitor |
| 09/11/2013 | CN103296662A Port with overcurrent protection function and anti-surge function |
| 09/11/2013 | CN103296661A Lightning protection circuit of direct-current system |
| 09/11/2013 | CN103296660A Electrical equipment protecting method of co-location house of communication base station when being struck by lightning |
| 09/11/2013 | CN102456685B High-voltage static protective devices |
| 09/11/2013 | CN102255304B ESD (Electro Spark Detector) power clamping circuit |
| 09/11/2013 | CN102074947B Intelligent surge protection device (SPD) |
| 09/11/2013 | CN101965670B Electrical interface protecting apparatus |
| 09/11/2013 | CN101188357B System for overvoltage suppression for construction equipment |
| 09/10/2013 | US8532725 Parallel connected HTS utility device and method of using same |
| 09/10/2013 | US8531811 Clamping control circuit for hybrid surge protection devices |
| 09/10/2013 | US8531809 Surge protector |
| 09/10/2013 | US8531808 Device and method for securing an electric line with a controllable switching element |
| 09/10/2013 | US8531807 ESD clamp adjustment |
| 09/10/2013 | US8531805 Gated diode having at least one lightly-doped drain (LDD) implant blocked and circuits and methods employing same |
| 09/10/2013 | US8531804 Apparatus and method for ground fault detection and location in ungrounded elecrical systems |
| 09/10/2013 | US8531803 Lightning protection for power inverters |
| 09/10/2013 | US8531112 LED driving circuit and protecting circuit thereof |
| 09/10/2013 | DE202011110366U1 LED-Röhre LED tube |
| 09/10/2013 | CA2613214C Method and arrangement for triggering a series spark gap |
| 09/06/2013 | WO2013128148A1 Control circuit |
| 09/05/2013 | US20130229736 Electrostatic discharge protection for high voltage domains |
| 09/05/2013 | US20130229731 Distributed maximum power point tracking system, structure and process |
| 09/04/2013 | EP2634920A2 Overvoltage protection circuit and electronic device |
| 09/04/2013 | EP2634806A1 Input protection circuit |
| 09/04/2013 | CN203180622U Three-phase and signal-phase AC output fast switch device of vehicle power supply |
| 09/04/2013 | CN203180519U Neutral point grounding switch equipment set for 20kV power grid |
| 09/04/2013 | CN203180518U Intelligent switch arc-extinguishing and overvoltage-protecting device |
| 09/04/2013 | CN203180517U Microcomputer arc-extinguishing, harmonic-eliminating and overvoltage-protecting device |
| 09/04/2013 | CN203180516U Power source lightning protection device |
| 09/04/2013 | CN203180515U Gapped double loop voltage protector |
| 09/04/2013 | CN203180514U A circuit capable of prolonging the service life of a relay |