Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
04/2013
04/11/2013DE102011084230A1 Verfahren zum Betreiben eines Umsetzers für einen Startermotor Method for operating a converter for a starter motor
04/11/2013CA2851360A1 Input/output power and signal transfer isolator device
04/10/2013EP2577827A1 Method and system for online ferroresonance detection
04/10/2013CN202873261U Antenna isolator
04/10/2013CN202872625U Anti-surge power input filter
04/10/2013CN202872362U Intelligent resonance eliminator
04/10/2013CN202872361U Resonance elimination apparatus
04/10/2013CN202872360U LED power supply
04/10/2013CN202872359U Secondary open circuit protector of current transformer
04/10/2013CN202872358U Brake main circuit provided with capacitance-resistance absorbing device
04/10/2013CN202872357U Optimized comprehensive protection device of power grid
04/10/2013CN202872356U Surge suppression circuit
04/10/2013CN202872355U Lightening protection circuit
04/10/2013CN202872354U Current buffer
04/10/2013CN202872353U Zero-loss deep current-limiting device
04/10/2013CN202872338U Power generator protection device with de-excitation protection and overvoltage protection functions
04/10/2013CN202870502U Anti-electricity-stealing controller
04/10/2013CN103038967A Overvoltage protection for AC power source
04/10/2013CN103036266A Overcharge prevention circuit and semiconductor device
04/10/2013CN103036225A Lightning protection technology
04/10/2013CN103036224A Low residual voltage lightning protection device for power supply
04/10/2013CN103036223A Asymmetrical digital subscriber loop (ADSL) terminal device lighting protection circuit
04/10/2013CN103036222A Control strategy optimization method for full container load (FCL) device control and protection system
04/10/2013CN103036221A Bus capacitance module and power unit
04/10/2013CN103036220A Electro spark detector (ESD) circuit protection structure
04/10/2013CN103036196A Device for overvoltage protection and method thereof
04/10/2013CN103035695A Low-capacity high-speed transmission semiconductor surge protective device
04/10/2013CN103035635A Electrostatic discharge protection device
04/10/2013CN103035633A Electrostatic discharge protection device
04/10/2013CN103034777A Method and device for counting energisation events
04/10/2013CN103033665A Lightning surge detector, surge protective device, and management system for surge protective device
04/10/2013CN102148225B Smokeless electrostatic discharge protection circuit for integrated circuit device
04/10/2013CN101997305B Reverse voltage protection circuit and power tube device
04/10/2013CN101710700B Semiconductor integrated circuit
04/10/2013CN101673927B Method for starting recloser of extra high-voltage transmission line
04/09/2013US8416549 Method for providing over-voltage protection and circuit therefor
04/09/2013US8416546 Method and circuit arrangement for detecting the state of a load device which can be connected to a switching connection
04/09/2013US8416545 Power amplifier module with shared ESD protection circuit
04/09/2013US8416543 Apparatus and method for electronic circuit protection
04/09/2013US8416542 Electronic device
04/04/2013WO2013019284A3 Circuit interrupter with improved surge suppression
04/04/2013WO2013017366A3 Over-voltage protection device having a coil assembly
04/04/2013US20130083441 Lightning surge detector, surge protective device, and management system for surge protective device
04/04/2013US20130083440 Overvoltage protection component, and overvoltage protection material for overvoltage protection component
04/04/2013US20130083439 High-frequency module
04/04/2013US20130083438 ESD Protection for FinFETs
04/04/2013US20130083437 Esd detection circuit and esd elimination device
04/04/2013US20130083436 Electrostatic discharge protection
04/04/2013US20130083435 Method And Apparatus For Moving Material
04/04/2013DE112011100449T5 Verfahren zum Überprüfen eines Kurzschluss-Schutzsystems in einer Abzweigleitung sowie Diagnoseeinrichtung zum Durchführen des Verfahrens Method for checking a short circuit protection system in a branch line and diagnostic device for carrying out the method
04/03/2013EP2575228A1 Lightning protection circuit
04/03/2013CN202856347U RC damping device for suppressing secondary arc of extra/ultra high voltage transmission line
04/03/2013CN202856346U Pure plumbago loop gap type surge protector
04/03/2013CN202856345U Direct current lightning prevention electrostatic prevention protection circuit
04/03/2013CN202856344U DC blocking type low residual pressure gas tube lightning arrester
04/03/2013CN202856343U Circuit for eliminating residual voltage of capacitors
04/03/2013CN202856342U Grounding-free isolation type lightning protection device
04/03/2013CN202856341U Antenna type lightning protection device used in radio communication
04/03/2013CN202856340U Electro-static discharge interference resisting circuit with metal dome button
04/03/2013CN202856339U Lightning protection and alarm structure
04/03/2013CN202856338U Overheat, over-current and over-voltage lightning protector and lightning protection circuit
04/03/2013CN202856337U Lightning protection functional circuit for leakage breaker
04/03/2013CN202856336U USB interface circuit and vehicle equipment
04/03/2013CN202856335U Overvoltage intelligent regulation and control device
04/03/2013CN202856334U Interchangeable circuit for split type three-phase current transformer
04/03/2013CN202856333U Frequency output driving circuit
04/03/2013CN202856332U Isolation protection device and isolation protection circuit preventing ground potential high voltage counterattack
04/03/2013CN202856331U Electronic wagon balance lightning protection case
04/03/2013CN202856330U Composite electric drainage
04/03/2013CN202856329U Grounding-free lightning pulse isolator
04/03/2013CN202856318U Lightning protection structure for counterattack current division of transformer
04/03/2013CN103025029A Improved buffering and current limiting circuit for direct-current power source of LED lamp
04/03/2013CN103023284A Systems and methods for discharging bus voltage using semiconductor devices
04/03/2013CN103023030A Portable household power saver
04/03/2013CN103023010A Control unit for automobile
04/03/2013CN103023009A Novel turn-adjustable switching device for secondary damping resistor of arc suppression coil
04/03/2013CN103023008A Movable ejection lightning discharger powered by solar cell
04/03/2013CN103023007A Network lightning protector with network signal extension function
04/03/2013CN103023006A Overvoltage protection device
04/03/2013CN103023005A Electrostatic protection circuit and battery protection circuit
04/03/2013CN103023004A Surge suppression circuit
04/03/2013CN103023003A Over-voltage absorption circuit and over-voltage absorption device
04/03/2013CN103023002A Digital IGBT (Insulated Gate Bipolar Transistor) series connection voltage-sharing circuit based on look-up table
04/03/2013CN103023001A Strip for surge protector
04/03/2013CN103023000A Power grid current limiting device, power grid current limiter and power grid current limiting system
04/03/2013CN103022999A Anti-surge protective patch board
04/03/2013CN103022998A 半导体装置 Semiconductor device
04/03/2013CN103022997A 静电放电保护装置 Electrostatic discharge protection device
04/03/2013CN103022996A Electronic static discharge protection circuit and electronic static discharge protection method
04/03/2013CN103022983A Array type klystron thermal effect over-current protection method
04/03/2013CN103022970A High-sensitivity earth wire voltage protection device
04/03/2013CN103022967A Active lightning protector
04/03/2013CN102082365B Plug-push structure of surge protector
04/03/2013CN102064542B Impedance composite superconducting fault current limiter based on novel superconducting material
04/03/2013CN101931206B Over-current protection method
04/03/2013CN101675566B Parallel connected HTSFCL device
04/02/2013US8411403 Voltage surge and overvoltage protection with current surge protection
04/02/2013US8411401 Method for current conditioning, in particular on a fault current limiter
04/02/2013US8411398 Electrostatic discharge protection
04/02/2013US8411397 Power supply apparatus and method
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