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