Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
03/2013
03/06/2013CN202772561U Two-pin controllable breakover voltage anti-lightning surge and anti-static integrated protector
03/06/2013CN202772560U IGBT current foldback circuit and inductive load control circuit
03/06/2013CN202771935U Combined insulating dry type magnetic bias arc-suppression coil
03/06/2013CN202771879U Novel arc-extinguishing coil iron core structure
03/06/2013CN202770892U Anti-interference power supply for single-phase electronic electric energy meter
03/06/2013CN102959819A System and method of streamlining energy efficiency for application in cooling equipment compressors
03/06/2013CN102957163A Direct-current chopper and direct-current chopping method for doubly-fed induction generator system
03/06/2013CN102957141A Lightning protection circuit of telecommunication terminal equipment
03/06/2013CN102957140A Electrostatic discharge protective circuit and display apparatus thereof
03/06/2013CN102957139A Dissymmetry shielding failure preventing protection method of transmission line
03/06/2013CN102957138A Electrostatic discharge protection circuit
03/06/2013CN102957137A Over-current and over-voltage protection device of Ethernet network
03/06/2013CN102957136A Load driving circuit with charge spike protection
03/06/2013CN102957135A Electrostatic discharge protective element
03/06/2013CN102956632A Two-way SCR (Silicon Controlled Rectifier)-based ESD (electrostatic discharge) protection structure with low parasitic capacitance
03/06/2013CN102956426A Extraction inhibiting surge protector
03/06/2013CN102298999B OVP (over voltage protection) element and manufacturing method thereof
03/06/2013CN101976832B Method for realizing online operation of multiple intelligent arc suppression coils
03/06/2013CN101842955B Adaptive electrostatic discharge (esd) protection of device interface for local interconnect network (lin) bus and the like
03/06/2013CN101728820B Circuit and method for power clamp triggered dual scr ESD protection
03/06/2013CN101600286B HID lamp electronic ballast
03/05/2013US8390977 Solar power inverters, including solar power inverters having surge protective devices, and associated methods
03/05/2013US8390974 Overvoltage and overcurrent protection scheme
03/05/2013US8390971 Protection for an integrated circuit
03/05/2013US8390970 Method and system for electrostatic discharge protection
03/05/2013US8390969 Smoke-free ESD protection structure used in integrated circuit devices
03/05/2013US8390968 Apparatus for protection of converter modules
03/05/2013US8390966 Power switch for preventing accidental arcs
03/05/2013US8390964 Protection apparatus and method for an isolated type power supply
02/2013
02/28/2013WO2013027121A1 Protection circuit in triac applications
02/28/2013WO2013027118A1 Start-up circuit
02/28/2013US20130050891 Semiconductor integrated circuit, protection circuit, and battery pack
02/28/2013US20130050890 Multi-functional solid state power controller
02/28/2013US20130050889 Wireless power transmission system and method of controlling the same
02/28/2013US20130050887 Combination esd protection circuits and methods
02/28/2013US20130050886 Over-limit electrical condition protection circuits and methods
02/28/2013US20130050885 Esd protection techniques
02/28/2013US20130050884 Electrostatic discharge (esd) protection element and esd circuit thereof
02/28/2013US20130050883 Integrated advance copper fuse combined with esd/over-voltage/reverse polarity protection
02/28/2013US20130050879 High Efficiency Bridgeless PFC Converter and Method
02/28/2013US20130049871 Thermally coupled current limiter
02/28/2013US20130049465 Power management and distribution center for constant power loads
02/28/2013DE102011053013A1 Symmetrical device for balancing voltage division of serially-connected energy storage devices e.g. capacitors, has control unit that drives switch element of bypass circuit according to voltage requirement of energy storage device
02/27/2013EP2562896A2 Control circuit for limiting load current, charge switch and motor vehicle
02/27/2013EP2562549A1 Pulse current sensor and lightning protection cabinet with surge wave recording composed of the sensor
02/27/2013CN202759374U Shutoff protective power supply device
02/27/2013CN202759272U Current limiting circuit for anti-explosion battery
02/27/2013CN202759237U An integrated device used for filtering and inhibiting overvoltage in a transformer
02/27/2013CN202759232U Arc light overvoltage monitor
02/27/2013CN202759231U 10kV-35kV low-carbon low-overvoltage tuning-free resonance arc suppression coil
02/27/2013CN202759230U A 20kV resistor-capacitor overvoltage protector
02/27/2013CN202759229U A four-pole capacitance-resistance absorber
02/27/2013CN202759228U An integral current output circuit equipped with a multi-series electrical core and capable of providing power locally
02/27/2013CN202759227U Single core cable shielding layer protector
02/27/2013CN202759226U Lightning protection device of digital program-control telephone switch
02/27/2013CN202759225U BSLA-1500W embedded signal lightning arrester
02/27/2013CN202759224U Swinging-rod type separated-alarming surge absorption protector
02/27/2013CN202759223U A current transformer Crowbar protector of a doubly-fed wind generator
02/27/2013CN202759222U Multi-slot surge protector base
02/27/2013CN202751781U Automatic mahjong machine electric control device with integrally-arranged motor starting capacitor
02/27/2013CN102946114A Inverter charging method of flexible direct current power transmission system
02/27/2013CN102946096A Series damping resistor control method applied to arc suppression coil grounding system
02/27/2013CN102946095A Method and device for suppressing overvoltage of power distribution network caused by distributed power generation
02/27/2013CN102946094A Suppressing measure selecting method for very fast transient overvoltage of transformer substation
02/27/2013CN102946093A Short-circuit protection circuit of lithium battery
02/27/2013CN101800424B ESD protective circuit for protecting low-voltage core transistor from high voltage output by using capacitive coupling clamping circuit
02/26/2013US8385033 Emergency run-down unit for superconducting magnets
02/26/2013US8385032 High efficiency bridgeless PFC converter and method
02/26/2013US8385031 Apparatus and method for providing power from a power source to a portable electrical device
02/26/2013US8385029 Over-current protection device for a switched-mode power supply
02/21/2013WO2013025117A1 Automatic control panel (acp)
02/21/2013WO2013024462A1 Fault current limiter
02/21/2013US20130044398 Information processing unit and information processing apparatus
02/21/2013US20130044397 Esd protection circuit
02/21/2013US20130044396 Electrostatic discharge (esd) protection element and esd circuit thereof
02/21/2013US20130044395 Adaptive Light Detection For Arc Mitigation Systems
02/21/2013DE102011052803A1 Basiselement zur Aufnahme eines Überspannungsschutzmoduls Base member for receiving a surge protection module
02/21/2013CA2845559A1 Fault current limiter
02/20/2013CN202749823U High-efficiency reactive power compensation device
02/20/2013CN202749812U Direct-current lightning protection device for electric power system
02/20/2013CN202749811U Anti-grid power voltage fluctuation shutdown control device for heating medium circulating pump
02/20/2013CN202749810U Novel composite structure of circuit protector
02/20/2013CN202749809U Lightning protection system of communication base station
02/20/2013CN202749808U Signal lightning protection circuit
02/20/2013CN202749807U Ethernet shunt transition power supply overvoltage protector
02/20/2013CN202749806U Ethernet shunt transition and other-circuit power supply overvoltage protector
02/20/2013CN202749805U Decoupler
02/20/2013CN202749793U Independent power supply safety protection system of distribution transformer
02/20/2013CN102938559A Electric spark restriction device and method of intrinsically-safe power supply
02/20/2013CN102938554A High-power adjustable clamping circuit for automobile jammer
02/20/2013CN102938553A DRYING-GASP alarm controlling circuit
02/20/2013CN102196071B Mobile terminal
02/20/2013CN102130630B Parallel connection protection circuit for solar module
02/20/2013CN101719665B Ethernet port lightning protection device and lightning protection circuit
02/19/2013US8379361 Power supply system and method
02/19/2013US8379360 Overcurrent protection circuit and in-vehicle display device
02/19/2013US8379356 Overvoltage protection device and its fabrication
02/19/2013US8379354 ESD protection circuitry with multi-finger SCRS
02/14/2013WO2013020853A1 Circuit assembly for protecting against electrostatic discharges
02/14/2013US20130040820 Fault current limiter incorporating a superconducting article and a heat sink
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