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)
07/2012
07/04/2012CN101777760B Laser power supply overcurrent protection circuit with locking function
07/04/2012CN101719660B Method for automatically resetting grounding protection device of small-current system
07/04/2012CN101699690B Multimedia data card
07/04/2012CN101689545B Esd protection circuit
07/04/2012CN101673943B Electrostatic discharge protection circuit and method thereof
07/04/2012CN101595617B Device for protecting data lines against overvoltages
07/04/2012CN101405923B Load detector for a dimmer
07/04/2012CN101277013B Device for protecting against voltage surges with a mobile electrode with system for unlocking the disconnection device
07/04/2012CN101185212B A device for a remote monitoring the state of at least a single-pole surge protection
07/04/2012CN101174745B Subminiature electrical connector including over-voltage and over-current circuit protection
07/04/2012CN101171650B An overvoltage protection
07/03/2012US8213147 Over-current protection circuit with foldback capability
07/03/2012US8213145 Output driver protection
07/03/2012US8213143 Circuit arrangement for the protection of electronic components or assemblies
07/03/2012US8213142 Amplifier with improved ESD protection circuitry
07/03/2012US8213141 Power over Ethernet electrostatic discharge protection circuit
06/2012
06/28/2012WO2012087615A2 Use of a jfet as a failsafe shutdown controller
06/28/2012WO2012084394A1 Field device having a battery unit
06/28/2012US20120162843 Line current differential protection upon loss of an external time reference
06/28/2012US20120162838 Esd protection device and manufacturing method therefor
06/28/2012US20120162837 Protection circuit for semiconductor integrated circuit and driving method therefor
06/28/2012US20120162836 Semiconductor device
06/28/2012US20120162835 Controllable circuits, processes and systems for functional esd tolerance
06/28/2012US20120162834 Electrostatic Discharge (ESD) Protection Circuit and Method for Designing Thereof for Protection of Millimeter Wave Electrical Elements
06/28/2012US20120162833 ESD Protection Devices and Methods
06/28/2012US20120162832 Esd protection circuit for multi-powered integrated circuit
06/28/2012US20120162831 Esd protection circuit for negative-powered integrated circuit
06/28/2012US20120162830 Universal serial bus protection circuit
06/28/2012US20120161973 Electric receptacle apparatus with replaceable protection module
06/28/2012DE102010055625A1 Limiting circuit for limiting and controlling increase in voltage of load i.e. alternator in lorry, has control circuit controlling n-channel MOSFET to allow current to flow through limiting circuit when predetermined voltage is reached
06/27/2012EP2469675A1 Digital subscriber line (dsl) protection circuit
06/27/2012EP1668324B1 Two-wire bus instrument
06/27/2012CN202285443U Single-channel light-emitting diode (LED) driving circuit
06/27/2012CN202285328U 浪涌保护器 Surge Protector
06/27/2012CN202285327U 接触网关节式分相谐振抑制装置 Articulated contact phase resonance suppression device
06/27/2012CN202285326U 一种10kV架空绝缘线路耐张杆防雷保护装置 The 10kV overhead line insulation resistance Zhang rod lightning protection device
06/27/2012CN202285325U 柔性限流电路 Soft limiting circuit
06/27/2012CN202285324U 井下电源抗干扰保护电路 Underground power interference protection circuit
06/27/2012CN102523096A Grade-two lightning protection switch
06/27/2012CN102522882A Protection circuit of converter power component
06/27/2012CN102522740A Lightning protection structure of spherical video camera
06/27/2012CN102522739A Lightning protection device capable of recording lightning and method for high-voltage electric power lines
06/27/2012CN102522738A Over-voltage protection single-phase electric leakage switch
06/27/2012CN102522737A Multi-gap overvoltage protection device with ignition electrodes in vacuum environment
06/27/2012CN102522736A Self-protecting type over-voltage and over-current protective device with double thermistors
06/27/2012CN102522735A Variable-impedance autotransformer type short-circuit current limiter
06/27/2012CN102522734A Overcurrent and overvoltage protection circuit
06/27/2012CN102522724A Tower top earthing system through low-impedance cable and limitation method of electric potential at tower top
06/27/2012CN102522404A Bidirectional SCR ESD protective circuit for low triggered voltage
06/27/2012CN101950955B Control circuit capable of preventing supervoltage and preventing surge voltage
06/27/2012CN101820170B Device and method for cutting off short-circuit current
06/27/2012CN101479898B Device for protecting electrical equipment against overvoltages
06/27/2012CN101383508B Lightning protection circuit and antenna apparatus
06/27/2012CN101252278B Linear low-capacitance overvoltage protection circuit using blocking diode
06/27/2012CN101156286B Surge arrester
06/26/2012US8208237 Administering offset voltage error in a current sensing circuit
06/26/2012US8208236 Power converter and method thereof
06/26/2012US8208233 ESD protection circuit and method thereof
06/21/2012WO2012081840A2 Smart bonding method for equipment including a remote control panel and a control panel having a metal case for underground wells
06/21/2012WO2012081659A1 Protective device
06/21/2012WO2012081633A1 Explosion-proof enclosure
06/21/2012US20120154969 Overcurrent detection circuit of light emitting module
06/21/2012US20120154966 Fault current limiters (fcl) with the cores saturated by non-superconducting coils
06/21/2012US20120154965 Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit
06/21/2012US20120154964 Circuit for detecting static electricity
06/21/2012US20120154963 Adaptive electrostatic discharge (esd) protection circuit
06/21/2012US20120154962 Electrostatic discharge clamping devices with tracing circuitry
06/21/2012US20120154961 Electrostatic discharge blocking circuits
06/21/2012US20120154960 Esd protection circuit with eos immunity
06/21/2012US20120154958 Use of a jfet as a failsafe shutdown controller
06/21/2012US20120153908 Power management circuit and electronic device employing the same
06/21/2012DE102011056547A1 Testen einer Schutzvorrichtung gegen transiente Spannung Testing a device for protection against transient voltage
06/21/2012DE102011011508A1 System for condition controlling and data logging of plugged surge protection device utilized in e.g. low voltage system, has reading device with interface for data transfer to processing system, where data of system is stored in database
06/21/2012CA2819415A1 Circuit for protecting an electric load from overvoltages
06/20/2012EP2465175A1 Solar cell
06/20/2012CN202282612U 一种接地放电装置 One land discharge device
06/20/2012CN202282611U 电涌保护器 Surge protectors
06/20/2012CN202282610U 防呆装置、防呆模块式电涌保护器及防错插装置 Goggles, Foolproof modular surge protectors and proofing interpolation means
06/20/2012CN202282609U 铁路车站信号楼综合防雷系统 Railway Signals floor Integrated Lightning Protection System
06/20/2012CN202282608U 一种gsm容性负载电路启动的保护设备 One kind of gsm capacitive load circuit protection device startup
06/20/2012CN202282607U 一种含有非固态导电体的突波吸收器 Surge absorber containing non-solid conductor
06/20/2012CN202282601U 一种高分子ptc热敏电阻与压敏电阻组合的保护电路 A polymer ptc thermistor and varistor protection circuit combination
06/20/2012CN1637960B Direct application voltage variable material, components thereof and devices employing
06/20/2012CN102510711A Transferred signal protection processing device
06/20/2012CN102510352A Industrial network terminal
06/20/2012CN102510056A High-precision signal source output overvoltage protection circuit
06/20/2012CN102510055A Simple lightning-protection method
06/20/2012CN102510054A Resistance-capacitance absorber and its production method
06/20/2012CN102510053A Over-current quick-protection circuit for measurement instrument
06/20/2012CN102510052A Method for limiting secondary arc current for untransposed transmission line with extra-high voltage
06/20/2012CN101770847B Improved inductor, power protector and power socket
06/20/2012CN101740957B Electric coupler component
06/20/2012CN101164385B Protection of an emitting branch of an interface device
06/19/2012US8203817 Power supply circuit, overcurrent protection circuit for the same, and electronic device
06/19/2012US8203816 Circuit breaker
06/19/2012US8203810 Solid state pre-charge module
06/19/2012US8203346 Method and apparatus for detecting ground fault
06/14/2012WO2012076613A1 Thermal separating device
06/14/2012WO2012076226A1 Surge arrester arrangement having at least one varistor dissipation element
06/14/2012WO2012075676A1 Current limiting device and method having flexible switching performance
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