Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
03/2012
03/01/2012US20120050925 Electronic Device Comprising a Buffer and Means for Protecting Against Electrostatic Discharges
03/01/2012US20120050924 Current collecting box for photovoltaic power generation
03/01/2012US20120050055 Ground-fault circuit interrupter with circuit condition detection function
03/01/2012DE10244534B4 Schaltungsanordnung sowie Verfahren zur Erkennung von Fehlersituationen in gekoppelten Systemen Circuit arrangement and method for the detection of faults in coupled systems
03/01/2012DE102010035935A1 R-voltage protection device, has spark gap utilized to prepare another spark gap for fast ignition during occurrence of fault, where delay wiring supplies over-voltage of latter spark gap opposite to former spark gap with delay
03/01/2012DE102009016904B4 Schnittstelle zum Ansteuern eines elektronischen Vorschaltgeräts Interface for driving an electronic ballast
02/2012
02/29/2012EP2424063A1 Quench detection system for a superconductor fault current limiter
02/29/2012CN202153640U 一种emi滤波装置 One kind emi filter device
02/29/2012CN202153638U 一种变压器中性点成套保护装置 A transformer neutral point of complete sets of protective devices
02/29/2012CN102365556A Truncating radio connection
02/29/2012CN102364819A Power supply apparatus taking leakage current of disk insulator as energy
02/29/2012CN101752858B Multi-gap metal gas discharge tube power supply over-voltage protection module
02/29/2012CN101588064B Intelligent neutral point harmonic elimination apparatus
02/29/2012CA2751169A1 Branch circuit protection with in-line solid state device
02/28/2012US8125752 Coaxial broadband surge protector
02/28/2012US8125189 Systems for charging a battery in a closed loop configuration
02/27/2012DE202012100100U1 Blitzschutzeinrichtung für eine Hochspannungsfreileitung zur Montage auf einem Zwischenmast und Hochspannungsfreileitung mit einer solchen Einrichtung Lightning protection device for a power transmission line for mounting on an intermediate pole and power transmission line with such a device
02/27/2012DE202012100099U1 Blitzschutzeinrichtung für eine Hochspannungsfreileitung zur Montage auf einem Winkelabspannmast und Hochspannungsfreileitung mit einer solchen Einrichtung Lightning protection device for a power transmission line to be mounted on an angle tension tower and power transmission line with such a device
02/23/2012WO2012024014A1 Electrical surge protector and method of providing the same
02/23/2012WO2012023524A1 Magnetizing inrush current suppression device
02/23/2012WO2012003113A3 Grounding switch method and apparatus
02/23/2012WO2011143320A3 Dc pass rf protector having a surge suppression module
02/23/2012US20120044606 Esd protection of an rf pa semiconductor die using a pa controller semiconductor die
02/23/2012US20120044605 Esd protection for high-voltage-tolerance open-drain output pad
02/23/2012US20120044604 Power amplifier module with shared esd protection circuit
02/23/2012US20120044603 Quench detection system for a superconductor fault current limiter
02/23/2012US20120044602 Regulating system having overvoltage protection circuit and overcurrent protection circuit
02/23/2012US20120044600 Methods, systems, and apparatus for detecting arc flash events using current and voltage
02/23/2012US20120044599 Surge Suppression Circuit for a Load Control Device
02/23/2012DE102010039437A1 Schaltung, Netzfilter, Betriebsgerät und Leuchtvorrichtung oder Lampe Circuit, line filter, power supply and lighting device or lamp
02/22/2012EP2419976A2 Coaxial broadband surge protector
02/22/2012EP1423898B1 An arrangement for esd protection of an integrated circuit
02/22/2012CN202150983U Touch-relay stair hall lamp
02/22/2012CN202150790U 稳压型直流耐过电压浪涌emi电源滤波器 Regulators DC resistance to over-voltage surge emi power filter
02/22/2012CN202150743U 高压输电线路故障监测的耦合取能电源系统 Coupling high-voltage transmission line fault monitoring can take power system
02/22/2012CN202150727U 一种新型充电器 A new charger
02/22/2012CN202150704U Construction power distribution device with energy saving and electric leakage fire hazard early warning functions
02/22/2012CN202150695U 浪涌电流抑制电路 Inrush current suppression circuit
02/22/2012CN202150692U 汽车玻璃升降开关和电机的保护器 Automotive glass elevator and motor protection switch
02/22/2012CN202150689U 主动式的电源浪涌后备保护断路器 Active power surge protection circuit breaker reserve
02/22/2012CN102361321A 110/220 kV transformers' neutral point grounding via small reactance
02/22/2012CN102360991A High voltage direct current breaker with multiple fractures and tandem type
02/22/2012CN101697087B 高精度低漂移集成电压基准源电路 Integrated high-precision low-drift voltage reference circuit
02/22/2012CN101588062B 半导体集成电路的保护电路、其驱动方法及系统 Protection circuit of a semiconductor integrated circuit, a method and system for driving
02/22/2012CN101375480B 利用非接地能量限制栅的防爆装置 Limiting the use of non-grounded power grid explosive devices
02/21/2012US8120887 MOS transistor triggered transient voltage suppressor to provide circuit protection at a lower voltage
02/21/2012US8120885 Circuit for use with energy converter
02/21/2012US8120884 Reverse voltage protection circuit
02/16/2012US20120040839 Fault Current Limiter
02/16/2012US20120040632 Receive band selection and electrostatic discharge protection in a transceiver
02/16/2012US20120039008 Over-voltage protection circuit
02/16/2012US20120039007 Method for providing over current protection and circuit
02/16/2012US20120039004 Composite Electronic Circuit Assembly
02/16/2012US20120037027 Networked electronic ordnance system
02/16/2012DE102010033954A1 Energieversorgungsvorrichtung Power supply apparatus
02/15/2012EP2418748A2 Energy supply device
02/15/2012CN202145569U 一种复合型监控式限压装置 A composite type monitor pressure limiting devices
02/15/2012CN202145568U 地线带电保护电路及具有该电路的空调器 Ground protection circuit and the charging circuit of an air conditioner having the same
02/15/2012CN202145567U 航空电磁仪发射系统的开机保护器 Boot protectors airborne electromagnetic launch system analyzer
02/15/2012CN102354968A Surge protector with photoelectric isolator
02/15/2012CN102354967A Circular helical-line radio-frequency lightning protection method and lightning protection device
02/15/2012CN102354966A Charging protection chip for lithium battery
02/15/2012CN102354965A Novel surge control circuit
02/15/2012CN102354964A Surge absorber containing non-solid conductor
02/15/2012CN102354963A Fast triggering system of resonant current limiter thyristor valve and working method of fast triggering system
02/15/2012CN101501799B 在电力系统设备的控制单元中生成数据信号的信号生成单元和方法 Signal generating unit and a method for generating a data signal in the control unit of the power system equipment
02/15/2012CN101288215B I/o单元esd系统 I / o unit esd system
02/14/2012US8116919 Circuit breaker configuration
02/14/2012US8116057 Data port transient protection apparatus and methods
02/14/2012US8116055 Methods and apparatuses for performing common mode pulse compensation in an opto-isolator
02/14/2012US8116054 Universal rating plug for electronic trip unit
02/14/2012US8116050 Semiconductor integrated circuit
02/14/2012US8116047 Electrostatic discharge protective circuit having rise time detector and discharge sustaining circuitry
02/14/2012US8116046 Circuit arrangement that includes a device to protect against electrostatic discharge
02/14/2012US8116045 Circuitry and methodology for protecting a boost DC/DC converter
02/14/2012US8115160 Protection circuit and photoelectric conversion device
02/09/2012US20120033337 Circuit arrangement and method for simulating a sensor
02/09/2012US20120033336 Debug interface circuit and electronic device using the same
02/09/2012US20120033335 ESD Protection Scheme for Integrated Circuit Having Multi-Power Domains
02/09/2012US20120033333 Power protection circuit
02/09/2012DE102010038892A1 Verfahren zur Begrenzung eines Einschaltstromes in einem elektrischen Netz A method for limiting an inrush current in an electric network
02/09/2012DE102010033179A1 Electrical circuit device for overvoltage protection apparatus, has surge arrestor that is electrically connected between duct elements, at specific switching position of electrical switch device
02/09/2012DE102010006525B4 Vorrichtung zum Ableiten von Stoßströmen oder transienten Überspannungen Device for diverting surge currents or transient overvoltages
02/08/2012CN202143281U Street lamp power saving device
02/08/2012CN202143243U AC commercial power LED illuminating lamp drive circuit
02/08/2012CN202142854U Electric energy optimization device
02/08/2012CN202142853U 可调压带呼吸的组合式过电压保护器 Combined with breathing may surge over-voltage protection
02/08/2012CN202142852U 浪涌保护器 Surge Protector
02/08/2012CN202142851U 枪式摄像机过压保护电路 Gun Camera overvoltage protection circuit
02/08/2012CN202142850U 一种智能浪涌保护器 An intelligent surge protector
02/08/2012CN202142849U 倒挂式风电专用35kv过电压保护器 Upside down type wind power dedicated 35kv over-voltage protection
02/08/2012CN202142848U 一种带大电流旁路结构的串联滤波式防雷柜 A tape series high current bypass filter type structure Lightning cabinet
02/08/2012CN202142847U 一种多级限压信号浪涌保护器 A multi-stage pressure limiting signal surge protector
02/08/2012CN202142846U 一种千兆网络信号浪涌保护器 One kind gigabit network signal surge protector
02/08/2012CN202142788U 一种配电柜防爆泄压装置 An electrical distribution cabinet explosion relief device
02/08/2012CN202142731U 一种多组受控插孔可独立控制的时间控制插座 A multi-group time-controlled jacks can be controlled independently of the control socket
02/08/2012CN202142730U 一种时间控制插座 A time-controlled socket
02/08/2012CN202142729U 一种防雷滤波插座 One kind of lightning filter outlet
02/08/2012CN202142728U 一种利于外接负载在待机或关机时实现零功耗的节能插座 A conducive external load to achieve zero power consumption in standby or shutdown of energy-saving socket
02/08/2012CN202142532U 一种有效抑制浪涌电压的igbt模块 A potent inhibitor of the surge voltage igbt module
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