Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
02/2014
02/12/2014CN203434616U Anti-thunder core
02/12/2014CN203434615U SDI overvoltage lightning-prevention protector
02/12/2014CN203434614U Three-in-one overvoltage protection device
02/12/2014CN203434613U Lightning protection overvoltage protection device
02/12/2014CN203434612U CI card socket circuit capable of resisting surge current
02/12/2014CN203434593U Neutral-point gap ground protection apparatus of transformer
02/12/2014CN203433610U Two-stage amplification dual-early warning device
02/12/2014CN203433609U Antitheft door with anti-thunder function
02/12/2014CN203433602U Hybrid bridge control type guard device
02/12/2014CN203433600U Monitor with strong applicability
02/12/2014CN103582224A Lamp and overvoltage protection circuit thereof
02/12/2014CN103580019A Surge protection device for circuit board
02/12/2014CN103580018A Anti-thunder device with waterproof function
02/12/2014CN103580017A Allocation method for valve arrester of converter valve
02/12/2014CN103580016A Protection element, semiconductor device, and electronic system
02/12/2014CN103580015A Thunder filter and electronic device
02/12/2014CN103580014A Lightning protection device
02/12/2014CN103580013A Short-circuit current limiter
02/12/2014CN103580012A High-voltage direct current transmission line self-adaptive travelling wave protection method
02/12/2014CN103580011A Electronic system, electronic equipment and electromagnetic protection method
02/12/2014CN103578801A Electromechanical apparatus and electrical switching apparatus employing electronic circuit to condition motor input power
02/12/2014CN103568994A Smooth-voltage-stabilization automobile circuit protection device
02/12/2014CN102592774B Spacing layer of high-temperature super-conductivity non-inductive coil
02/12/2014CN102412509B Contact network overvoltage protection device
02/12/2014CN102306934B Method for preparing overvoltage protection device
02/12/2014CN102170117B Battery protecting device and protecting method
02/12/2014CN102035168B Overcurrent protection circuit and in-vehicle display device
02/11/2014US8649137 Semiconductor device and method of forming same for ESD protection
02/11/2014US8649136 Thin-oxide current clamp
02/11/2014US8649135 On-chip noise filter circuit
02/11/2014US8649134 Electrostatic discharge protection rail clamp with discharge interruption circuitry
02/11/2014DE202012012874U1 Schutzvorrichtung zum Schutz wenigstens eines elektrischen Verbrauchers vor Spannungsüberhöhungen Protection device for protecting at least one electrical consumer against overvoltages
02/06/2014WO2014021773A1 A device comprising a controllable earthing transformer
02/06/2014WO2014019677A1 Reliable device for protection of voltage transformers
02/06/2014US20140036605 Resistive switching for non volatile memory device using an integrated breakdown element
02/06/2014US20140036400 Protection circuit of power over ethernet port and ethernet power-sourcing equipment
02/06/2014US20140036398 Esd protection circuit with high immunity to voltage slew
02/06/2014US20140036397 ESD Clamp for Multiple Power Rails
02/06/2014US20140036396 Integrated passive device filter with fully on-chip esd protection
02/06/2014DE102012107436A1 Stufenschalter Tap changer
02/06/2014DE102004006988B4 Überspannungsschutzeinrichtung auf Funkenstreckenbasis, umfassend mindestens zwei in einem druckdichten Gehäuse befindliche Hauptelektroden Overvoltage protection device on radio link basis, comprising at least two main electrodes located in a pressure-tight housing
02/05/2014EP2693843A1 LED lighting device
02/05/2014EP2693587A1 Reliable device for protection of voltage transformers
02/05/2014CN203423485U CMOS device protection circuit and CMOS circuit
02/05/2014CN203423484U Microcomputer intelligent harmonic elimination device
02/05/2014CN203423483U Non-grounded antenna-feed anti-surge device used for node of wireless sensor.
02/05/2014CN103563188A Plug connector for protecting electrical system against surge discharge, and method for applying and manufacturing the same
02/05/2014CN103560680A Double fed induction generator (dfig) converter and method for improved grid fault ridethrough
02/05/2014CN103560501A Controlled type small-resistor arc extinction device and method
02/05/2014CN103560500A Energy-saving selecting method for grounding resistor of transformer substation grounding transformer
02/05/2014CN103560499A Multipoint ground-connection current control method for three current transformers to monitor lower transformer clamping parts
02/05/2014CN103560498A Method for selecting nominal voltage of lightening arrester in ultrahigh-voltage system
02/05/2014CN103560497A Short-circuit current limiting method based on power grid topological adjustment
02/05/2014CN103560490A Protection circuit of boost constant current power supply output short circuit
02/05/2014CN103560485A Method for controlling transformer clamping piece multi-point grounding currents under monitoring of double current transformers
02/05/2014CN102013673B Electronic static discharge (ESD) protecting device
02/04/2014US8643997 Lightning current transfer assembly for a wind turbine
02/04/2014US8643993 Short-circuit detection circuit and short-circuit detection method
02/04/2014US8643992 Overcurrent protection apparatus for load circuit
02/04/2014US8643990 Protection circuit
02/04/2014US8643989 Active current surge limiters with inrush current anticipation
02/04/2014US8643988 ESD power clamp using a low-voltage transistor to clamp a high-voltage supply in a mixed-voltage chip
02/04/2014US8643987 Current leakage in RC ESD clamps
02/04/2014US8643985 Photovoltaic bipolar to monopolar source circuit converter with frequency selective grounding
02/04/2014US8643983 Adjacent terminal fault detection
02/04/2014US8643982 Discrete input signal generation via output short-circuit detection
01/2014
01/30/2014US20140029150 Interposer to regulate current for wafer test tooling
01/30/2014US20140029148 Integrated mechanism for an electronic device and an adaptor
01/30/2014US20140029144 Esd protective circuit
01/30/2014US20140029143 Receiver having a wide common mode input range
01/30/2014US20140029142 Failsafe esd protection
01/30/2014US20140029141 Voltage regulator
01/29/2014EP2689970A1 Switching assembly for controlling an inductive consumer with free-wheeling circuit
01/29/2014EP2689509A1 Method and arrangement for reducing in-rush current of multi-module system
01/29/2014CN203415976U Hot-plugging multichannel signal anti-thunder box
01/29/2014CN203415975U Two-way surge protection circuit
01/29/2014CN203415974U Novel lightning protection box
01/29/2014CN203415973U Integrated video three-in-one lightning protection device
01/29/2014CN203415972U Input voltage surge suppression circuit
01/29/2014CN203415971U Anti-overvoltage surge protection control circuit designed based on field-effect transistor
01/29/2014CN203415970U HCZX arc-extinguishing and harmonic-eliminating line selection integrated apparatus
01/29/2014CN203415969U Arc extinguishing and overvoltage protection apparatus for transformer station
01/29/2014CN203415968U Field effect transistor protection device in power supply circuit
01/29/2014CN203415967U USB sound equipment power supply protection circuit and protection apparatus, and USB sound equipment power source
01/29/2014CN203415966U Overcurrent protection circuit and integrated circuit
01/29/2014CN203415945U Circuit protective apparatus for building automatic control system
01/29/2014CN203415816U TEC startup circuit of electro absorption modulated laser
01/29/2014CN103548163A 故障限流器 Fault current limiter
01/29/2014CN103545803A Protective device of equipment power source interface circuit
01/29/2014CN103545802A Novel IGBT active clamp protective circuit
01/29/2014CN103545801A Test switch protection circuit
01/29/2014CN103545800A Air-conditioning capacitor discharge system
01/29/2014CN103545785A Power supply MOV surge protection device failure fault current cyclic wave monitoring device and method
01/28/2014US8638536 Electrostatic discharge conducting pathway having a noise filter spark gap
01/28/2014US8638534 Load driving device
01/28/2014US8638533 Semiconductor device
01/28/2014US8638532 System and method for programming and controlling over current trip point limits in voltage regulators
01/23/2014WO2014014733A1 Electrostatic discharge protection circuit for implantable medical device
01/23/2014US20140022685 Method and Arrangement for Reducing In-Rush Current of Multi-Module System
01/23/2014US20140022683 Device for protecting electric equipment from overvoltage and lightening
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