Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
04/2013
04/02/2013DE202013002255U1 Steuerschutzschaltung für eine induktive Last Control protection circuit for an inductive load
03/2013
03/28/2013WO2013041309A1 Airworthy can bus system
03/28/2013WO2012123014A3 A current limitation system for limiting the effects of a fault in a dc grid and a method of operating a current limitation system
03/28/2013US20130077198 Voltage Surge and Overvoltage Protection Using Prestored Voltage-Time Profiles
03/28/2013US20130077197 Esd clamp adjustment
03/28/2013US20130077196 ESD Robust Level Shifter
03/28/2013US20130077195 Electrostatic discharge protection circuit for an integrated circuit
03/28/2013US20130077194 Protection of motor drive systems from current sensor faults
03/28/2013DE102011053904A1 Circuit arrangement for protecting controller area network transceivers from communication interfaces for wire-bound communication for protecting power system in e.g. building, has capacitor electrically switched in series to diodes
03/28/2013CA2849097A1 Airworthy can bus system
03/27/2013EP2573928A1 Overcurrent protection and reverse current blocking in an indirect inverter for operating an alternating current machine
03/27/2013EP2573892A2 Electric circuit
03/27/2013EP2573891A2 Overvoltage protection using a link current sensor
03/27/2013DE202010017938U1 Ein Gerät zum Implementieren einer Leistungswandlereingangsanschlussspannungsentladeschaltung An apparatus for implementing a Leistungswandlereingangsanschlussspannungsentladeschaltung
03/27/2013CN202841616U Automobile lamp tube protection circuit
03/27/2013CN202841357U Tuning unit and television
03/27/2013CN202841242U Transceiver with security level
03/27/2013CN202841240U Sensor allowing password to be changed
03/27/2013CN202840985U Resistance voltage reduction power circuit
03/27/2013CN202840673U Double power switch control system
03/27/2013CN202840511U Novel hybrid insulation dry-type turn-adjusting arc-suppression coil with damper winding
03/27/2013CN202840510U Anti-lighting household protector
03/27/2013CN202840509U Reactive compensation discharging device
03/27/2013CN202840508U Novel lightning protection module
03/27/2013CN202840507U Low residual voltage and high power frequency tolerance surge protector
03/27/2013CN202840506U Full-module double-tripping indication alarm surge protector
03/27/2013CN202840505U Steel rail potential protection apparatus
03/27/2013CN202840504U 330-kilovolt ultrahigh-voltage zero-consumption high-speed current-limiting protective device
03/27/2013CN202840503U On-line hot-plugging apparatus with thunder and lightning prevention function
03/27/2013CN202840502U Electric forklift hydraulic pump DC motor controller based on CANopen
03/27/2013CN202840501U Limiting device for current protection
03/27/2013CN202840500U Non-linear type current limiting device
03/27/2013CN202840499U Motor, controller and power drive circuit thereof
03/27/2013CN202840498U Novel magnetic-shielding air core transformer coupling bridge type solid-state current limiter
03/27/2013CN202840497U Electrostatic protection circuit
03/27/2013CN202840463U Automobile instrument power supply protection circuit
03/27/2013CN202840254U Grounding lightning protection power distribution cabinet
03/27/2013CN202834556U Lightening protective system for a gas pipeline
03/27/2013CN202830850U Side brush control device for road sweeper capable of arc suppressing
03/27/2013CN103001776A Network accessing device
03/27/2013CN103001555A Synchronous motor armature overcurrent limiting method
03/27/2013CN103001253A Power supply system of photovoltaic inverter suitable for lower voltage ride-through requirement and power supply method thereof
03/27/2013CN103001210A Cable protection method for generic cabling system
03/27/2013CN103001209A Cable protecting device for generic cabling system
03/27/2013CN103001208A Overvoltage protection equipment
03/27/2013CN103001207A Surge protective device (SPD) suitable for 10/350muS lightning waves
03/27/2013CN103001206A Electrostatic discharge (ESD) power clamp for clamping high-voltage power supply in mixed-voltage chip by means of low-voltage transistor
03/27/2013CN103001205A Electrostatic protection circuit applied to power supply pin
03/27/2013CN103001204A Overvoltage protection circuit and portable electronic device having the same
03/27/2013CN103001203A Current-limiting circuit
03/27/2013CN103001202A Overcurrent protection circuit
03/27/2013CN103001201A Method and device for suppressing high-energy surge
03/27/2013CN103001200A Multiple RC triggered power supply clamp electro-static discharge (ESD) protective circuit
03/27/2013CN103000625A ESD protection for 2.5d/3d integrated circuit systems
03/27/2013CN101976828B M-BUS (Meter-Bus) intrinsic safety barrier
03/27/2013CN101854766B Electrodeless lamp power circuit, and protection method and protective circuit thereof
03/27/2013CN101646323B Cable fastening component and overvoltage protection device
03/26/2013US8405942 Integrated circuit provided with a protection against electrostatic discharges
03/26/2013US8405941 ESD protection apparatus and ESD device therein
03/26/2013US8405939 Protective device for an electrical supply facility
03/26/2013CA2637954C Flameproof apparatus using non-grounded energy-limiting barrier
03/21/2013WO2013037589A1 Direct current circuit breaker
03/21/2013US20130070381 Over-current protection device
03/21/2013US20130070376 Electrostatic discharge protection circuit and electrostatic discharge protection method
03/21/2013US20130070375 Electrical component and method for controlling an electrical component
03/21/2013DE102011119835A1 Überspannungsschutzschaltung An overvoltage protection circuit
03/20/2013EP2569839A2 Dc pass rf protector having a surge suppression module
03/20/2013CN202818183U Large-and-medium sized middle-and-low voltage motor starting circuit, device and motor
03/20/2013CN202818181U High voltage thyristor solid state soft starter apparatus
03/20/2013CN202817752U 碳化硅限压器 SiC voltage limiter
03/20/2013CN202817751U Surge protector
03/20/2013CN202817750U 浪涌保护器 Surge Protector
03/20/2013CN202817749U Grounding-free single-phase power supply lightning protection module
03/20/2013CN202817748U Grounding-free three-phase power supply lightning protection module
03/20/2013CN202817747U Nitrogen-oxygen sensor oxygen pump protection circuit
03/20/2013CN202817746U RS-232 serial port lightning protection device of large power and flexible connection
03/20/2013CN202817745U A contact rail grounding device
03/20/2013CN202817744U Power supply system having overvoltage protection function
03/20/2013CN202817743U A voltage protector
03/20/2013CN202817742U Overcurrent protection circuit
03/20/2013CN202817741U Antenna interface electrostatic discharge protection circuit
03/20/2013CN202817740U Short-circuit fault current limiter of high-speed self-closed device
03/20/2013CN202817739U Three-phase short-circuit fault current limiter based on IGBT
03/20/2013CN202817700U Power receiving conversion circuit based on power provided by ethernet
03/20/2013CN202815566U Isolated intelligent safety barrier
03/20/2013CN102986107A Surge protection device using metal oxide varistors (MOVs) as the active energy control multiple gap discharging chain
03/20/2013CN102983562A Current-limiting protector for electrical fire prevention
03/20/2013CN102983561A Tank circuit protected by undervoltage surges
03/20/2013CN102983560A Iron core electro-discharge automatic protective device of electrical power system transformer
03/20/2013CN102983549A Novel power transformer control system having direct current magnetic biasing compensation function
03/20/2013CN102142434B 双向静电放电保护电路及相关的射频识别标签 Bidirectional ESD protection circuit and a radio frequency identification tag associated with
03/20/2013CN101938120B Production method of moisture-proof high-tightness surge protective device
03/20/2013CN101461112B Solid state pre-charge module
03/20/2013CN101119028B Electrical source input overvoltage protection circuit
03/19/2013US8400745 Fuse apparatus
03/19/2013US8400744 Earth leakage detection module with robust transient suppression
03/19/2013US8400743 Electrostatic discharge circuit
03/19/2013US8400742 Electrostatic discharge (ESD) protection circuits, integrated circuits, systems, and operating methods thereof
03/19/2013US8400740 Short-circuit limiting device in a low-voltage installation
03/19/2013US8400114 DC power tool with a safety detection device
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