Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
12/2013
12/04/2013CN203326592U Meteorological dedicated multimedia terminal provided with lightning protection device
12/04/2013CN203326591U Alarming lightning-protection box
12/04/2013CN203326590U Signal circuit lightning protection device
12/04/2013CN203326589U Automatic-delay-type surge-current inhibitor
12/04/2013CN203326588U PCB mounting-based novel solidified lightning protection device
12/04/2013CN203326587U Power surge protector
12/04/2013CN203326569U Motor commutating device
12/04/2013CN203325153U Lightning-protection electronic rescuer
12/04/2013CN203325126U Touching type intelligent alarm device
12/04/2013CN203325125U Hybrid monitor
12/04/2013CN203325122U Efficient lightning protection type camera shooting monitor
12/04/2013CN203325117U Lightning protection guard device with camera shooting
12/04/2013CN203325116U Anti-lightning monitor
12/04/2013CN203325115U Early warning protector with lightning stroke resistance
12/04/2013CN203325114U Lightning protection type event notification device
12/04/2013CN103428129A 通信终端及emi防护和浪涌保护装置 Communication terminals and emi protection and surge protection devices
12/04/2013CN103427729A Rod pumped well group control system based on direct current bus
12/04/2013CN103427698A Frequency changer circuit
12/04/2013CN103427411A Breakage protective circuit for serially-connected energy module connecting pieces based on diodes
12/04/2013CN103427410A Alternating-direct-current power source voltage stabilization protective circuit
12/04/2013CN103427409A Surge protector
12/04/2013CN103427408A ESD protection for high voltage applications
12/04/2013CN103427407A Electrostatic discharge protection circuit
12/04/2013CN103427406A Single-pole switching unit, photovoltaic module arrangement and photovoltaic module
12/04/2013CN102393652B Intelligent controller of overhead working truck
12/04/2013CN101989739B Protective circuit
12/03/2013US8599525 ESD protection on high impedance MIC input
12/03/2013US8599524 Surface mount spark gap
12/03/2013US8599522 Circuit interrupter with improved surge suppression
12/03/2013US8599521 Switching regulator and operation control method
12/03/2013US8598846 Device and method for stabilizing a battery pack
11/2013
11/28/2013WO2013176984A1 Preventing electrostatic discharge (esd) failures across voltage domains
11/28/2013WO2013174924A1 Load driver and luminaire including the load driver
11/28/2013WO2013174429A1 An apparatus for assisting or controlling the electric power transmission in a dc power transmission system
11/28/2013US20130314833 High precision clipping regulator circuit
11/28/2013US20130314828 Fault current limiter
11/28/2013US20130314826 Electrostatic discharge protection circuit
11/28/2013US20130314825 Silicon controlled rectifier (scr) clamp including metal insulator transition (mit) resistor
11/28/2013US20130314824 Preventing electrostatic discharge (esd) failures across voltage domains
11/28/2013US20130314159 Operational transconductance amplifier with increased current sinking capability
11/27/2013EP2667471A2 Circuit configuration for controlling an electricity consumer
11/27/2013CN203313496U Novel seven-color night lamp device
11/27/2013CN203313239U Love help device
11/27/2013CN203312816U Shunt reactor compensation circuit for substation
11/27/2013CN203312803U Anti-surge power supply port of telemetry terminal
11/27/2013CN203312802U Three-wire system screw-in type surge protection device
11/27/2013CN203312801U Surge protector for LED street lamp power supply
11/27/2013CN203312800U Base optimized structure of 10-3 kV voltage level three-column type overvoltage protection device having gaps
11/27/2013CN203312799U Telephone line lightning arrester
11/27/2013CN203312798U Secondary overvoltage protector structure
11/27/2013CN203312797U Photovoltaic power surge protector
11/27/2013CN203312796U Photovoltaic power surge protector
11/27/2013CN203312795U Circuit-opening prevention device for current transformer
11/27/2013CN203312794U Three-wire system surge protection circuit
11/27/2013CN203312793U Lightning protection board for optical receiver
11/27/2013CN203312792U Combined type overvoltage absorbing device
11/27/2013CN203312791U Rectification type capacitance-resistance absorbing device
11/27/2013CN203312790U Simple lightning protection module
11/27/2013CN203312789U Network-signal lightning arrester
11/27/2013CN203312788U Overvoltage protection device with intelligent control system
11/27/2013CN203312787U Overvoltage protection device with circuit detection device
11/27/2013CN203312786U Telemetry terminal machine protection circuit
11/27/2013CN203312785U Lightning protection circuit of telemetry terminal machine
11/27/2013CN203312784U 10kV voltage transformer resonance eliminating device
11/27/2013CN203312783U Electrostatic protection port of telemetry terminal machine
11/27/2013CN203312782U Negative-pressure overvoltage protection circuit with port loaded protection switch
11/27/2013CN203311605U Water accumulation alerter suitable for household use
11/27/2013CN203311592U Rescue device for caring empty-nest elderly
11/27/2013CN203311590U Combined assistance device
11/27/2013CN203311549U Touch type electronic anti-theft device
11/27/2013CN203308216U Burglar alarm for enhancing protection on keyhole
11/27/2013CN103414178A 保护电路 Protection circuit
11/27/2013CN103414177A Electromagnetic protection circuit of analog signal input line
11/27/2013CN103414176A Magnetic resistance current limiter
11/27/2013CN103414175A Short-circuit fault current limiter
11/27/2013CN103414174A 静电防护型接口电路 Static protection-type interface circuit
11/27/2013CN103414158A Novel bar-plate-bar protective gap device for protecting transformer neutral point
11/27/2013CN103414157A Device for operation of protective gap of transformer neutral point
11/27/2013CN103414155A Neutral point installation electronic type rapid harmonic-vibration eliminating device
11/27/2013CN102662426B Output driving circuit with self electrostatic discharge (ESD) protection function
11/27/2013CN102332725B High potential gate control device for series thyristor valve block in SVC (Static Var Compensator)
11/27/2013CN102290806B LDO (Low Dropout Output) overvoltage protective circuit and LDO (Low Dropout Output) using same
11/26/2013US8593838 Power supply device
11/26/2013US8593776 Voltage surge and overvoltage protection using prestored voltage-time profiles
11/26/2013US8593769 Secure arc flash detection
11/26/2013CA2515035C Circuit interrupting device and system utilizing bridge contact mechanism and reset lockout
11/21/2013US20130308241 Surge suppression circuit
11/21/2013US20130308238 Test device for power engineering equipment and method for manufacturing a test device for power engineering equipment
11/21/2013US20130308235 Method for eliminating a fault on a high-voltage dc line, system for transmitting an electric current via a high-voltage dc line, and converter
11/21/2013US20130308233 Discharge gap-filling composition and electrostatic discharge protector
11/21/2013US20130308232 Protection circuit
11/21/2013US20130308231 Esd protection for high voltage applications
11/21/2013DE102012208241A1 Schienenfahrzeugsschaltungsanordnung Rail vehicle circuitry
11/21/2013DE102012208115A1 Vorrichtung und Verfahren zur intelligenten Absicherung einer elektrischen Leitung Apparatus and method for intelligent protection of an electric line
11/21/2013DE102012009883A1 Schaltungsanordnung zum Ansteuern eines elektrischen Verbrauchers Circuitry for controlling an electric load
11/20/2013EP2664929A1 Test device for energy devices and method for producing a test device for energy devices
11/20/2013EP2664046A1 Trip unit providing remote electrical signal to remotely indicate that an arc reduction maintenance mode is remotely enabled, and electrical switching apparatus including the same
11/20/2013EP2515334B1 ESD protection circuit
11/20/2013CN203301490U Vehicle optical transmitter
11/20/2013CN203301147U Switch power supply protecting circuit
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