| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 06/05/2013 | CN103138247A Electronic switch protective circuit |
| 06/05/2013 | CN103138246A Interior overvoltage protector of low voltage partition cabinet |
| 06/05/2013 | CN103138237A Method and device used for transformer neutral point protective gap actions |
| 06/05/2013 | CN103138236A Anti-inductive- thunder transformer |
| 06/05/2013 | CN103138230A Machine shell leakage protection circuit and road traffic signal control machine using protection circuit |
| 06/05/2013 | CN102651547B ESD (Electro-Static discharge) protection circuit and display device comprising same |
| 06/05/2013 | CN102035207B High-voltage electric power-saving equipment |
| 06/05/2013 | CN101958539B Signal lightning protector with remote signaling function |
| 06/05/2013 | CN101958538B Circuit protection system |
| 06/05/2013 | CN101854059B Surge current suppression circuit and electronic device using same |
| 06/05/2013 | CN101764397B 静电放电保护电路 Electrostatic discharge protection circuit |
| 06/05/2013 | CN101681711B Apparatus for quench protection and stabilising decay in a quasi-persistent superconducting magnet |
| 06/05/2013 | CN101584082B System and method for providing electrostatic discharge (esd) protection and electromagnetic interference (emi) protection |
| 06/04/2013 | US8456791 RF coaxial surge protectors with non-linear protection devices |
| 06/04/2013 | US8456787 Gas insulated switchgear |
| 06/04/2013 | US8456786 Bridging unit |
| 06/04/2013 | US8456785 Semiconductor ESD device and method |
| 06/04/2013 | US8456784 Overvoltage protection circuit for an integrated circuit |
| 06/04/2013 | US8456783 Integrated circuit, electronic device and ESD protection therefor |
| 05/30/2013 | US20130135954 Memory cell array latchup prevention |
| 05/30/2013 | US20130135776 Current transformer arrangement |
| 05/30/2013 | US20130135775 System and method providing over current protection based on duty cycle information for power converter |
| 05/30/2013 | US20130135774 Light-emitting diode driving circuit having short circuit protection |
| 05/29/2013 | EP2596565A2 Continuous uninterruptable ac grounding system for power system protection |
| 05/29/2013 | DE102011118639B4 Überspannungsschutzgerät Surge protection device |
| 05/29/2013 | DE102011080436B4 Mobile Generatorvorrichtung und Schutzeinrichtung hierfür Mobile generator apparatus and protective device therefor |
| 05/29/2013 | DE102011055664A1 Direct current voltage supply device for supplying direct current to e.g. incandescent lamp, has starting current limiter circuit connected in series with capacitor and series circuit and parallel to load and direct current voltage source |
| 05/29/2013 | DE102006035046B4 Elektrisches/elektronisches Zentralgerät Electrical / electronic central unit |
| 05/29/2013 | DE10026328B4 Vorrichtung zur Begrenzung des Einschaltstromes bei Steuergeräten in einem Kraftfahrzeug Device for limiting the inrush current for control units in a motor vehicle |
| 05/29/2013 | CN202957596U Control circuit of arc suppression coil |
| 05/29/2013 | CN202957595U Discharging device and discharging system of capacitor |
| 05/29/2013 | CN202957594U Power supply lightning protection case and machine room power supply system |
| 05/29/2013 | CN202957593U Novel lightning protection apparatus |
| 05/29/2013 | CN202957592U Power source current-limiting protecting circuit applied to battery-powered intelligent instrument |
| 05/29/2013 | CN202957585U Circuit protecting MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) against short circuit in system |
| 05/29/2013 | CN202957575U Electric leakage breaker |
| 05/29/2013 | CN202956886U GNSS (Global Navigation Satellite System) satellite data collector for engineering monitoring |
| 05/29/2013 | CN103124464A Intelligent lamplight control system |
| 05/29/2013 | CN103123734A Household protector with fine lightning protection property |
| 05/29/2013 | CN102170178B High-voltage transmission line current coupling electricity-getting device |
| 05/29/2013 | CN101771271B Control module and current limiter with function of opening and closing |
| 05/29/2013 | CN101755374B Intrinsically safe communications circuit |
| 05/29/2013 | CN101615456B 过电压保护元件 Overvoltage protection devices |
| 05/28/2013 | US8451575 Lightning arrester |
| 05/28/2013 | US8451573 Overvoltage protection device for a wind turbine and method |
| 05/28/2013 | US8451570 Method for production of an oscillating signal and of an electrical protection device or measurement instrument having an oscillation identification device |
| 05/28/2013 | US8451569 High voltage tolerant, small footprint BJT-CMOS active clamp |
| 05/23/2013 | WO2013072467A1 Method and circuit arrangement for disconnecting an electrical connection between two connecting points |
| 05/23/2013 | WO2013072263A1 Generator grounding with power limitation |
| 05/23/2013 | US20130131526 Overvoltage protection for defibrillator |
| 05/23/2013 | US20130130913 Techniques for Protecting a superconducting (SC) Tape |
| 05/23/2013 | US20130128400 Electrostatic discharge protection apparatus and method therefor |
| 05/23/2013 | US20130128399 Apparatuses, circuits, and methods for protection circuits for dual-direction nodes |
| 05/23/2013 | US20130128398 Serial surge suppression and overload protection optimization device |
| 05/22/2013 | EP2595292A2 Power supply system, image forming apparatus having the same, and low-capacity AC processing circuit |
| 05/22/2013 | CN202949590U Time-delay gradually-brightening lamp with protection function |
| 05/22/2013 | CN202949438U Network access device |
| 05/22/2013 | CN202949369U Stabilized voltage supply with properties of simpleness and applicability |
| 05/22/2013 | CN202949358U Power circuit structure capable of reducing noises generated at voice terminal |
| 05/22/2013 | CN202949274U DC 24V uninterrupted power supply with lightning protection |
| 05/22/2013 | CN202949233U Low voltage two subcarrier system (TSC) type modularization dynamic switching switch |
| 05/22/2013 | CN202949223U Surge protector |
| 05/22/2013 | CN202949222U Surge protector |
| 05/22/2013 | CN202949221U Surge protection box |
| 05/22/2013 | CN202949220U Discharging device for high-voltage capacitor of distribution substation |
| 05/22/2013 | CN202949219U Intelligent distributed energy-saving apparatus |
| 05/22/2013 | CN202949218U Cell/capacitor set serially connecting escape circuit |
| 05/22/2013 | CN202949216U Power protection control circuit of point-of-sale machine |
| 05/22/2013 | CN202948549U 自动控制传感器 Automatic control sensor |
| 05/22/2013 | CN202948526U Strictly lightningproof safety program controller |
| 05/22/2013 | CN103117694A Direct current brushless motor driver chip without power port |
| 05/22/2013 | CN103117548A Mains supply alternating current power supply purifier |
| 05/22/2013 | CN103117541A Electric transmission line pole tower grounding personal safety difference protection method |
| 05/22/2013 | CN103117540A Method and loop for absorbing transient voltage of electromagnetic coil |
| 05/22/2013 | CN103117539A Self-balanced electromagnetic electronic fault current limiter |
| 05/22/2013 | CN103117538A Resonance type current limiter based on insulator-metal phase change resistor |
| 05/22/2013 | CN103117193A Relay provided with internally-arranged protective circuit |
| 05/22/2013 | CN103117191A Integration type relay module |
| 05/22/2013 | CN103117145A Insulation and cooling spacing layer of high temperature superconducting non-inductive coil |
| 05/22/2013 | CN101765954B Industrial process field device with improved battery assembly |
| 05/21/2013 | US8446710 System and method for structural, modular power distribution in a modular data center |
| 05/21/2013 | US8446703 Surge arrester with a cage design |
| 05/16/2013 | WO2013067704A1 Device for failure protection in lighting devices having light emitting diodes |
| 05/16/2013 | US20130120891 Systems and Methods of Over-Load Protection with Voltage Fold-Back |
| 05/16/2013 | US20130120890 Transistor protection circuit |
| 05/16/2013 | US20130120886 Driving circuits with power mos breakdown protection and driving methods thereof |
| 05/16/2013 | US20130120885 LOW NOISE ESD PROTECTION FOR SOCs WITH ANALOG OR RADIO FREQUENCY DEVICES |
| 05/16/2013 | US20130120884 Input/output circuit with inductor |
| 05/16/2013 | US20130120334 Display driving device and display system with improved protection against electrostatic discharge |
| 05/16/2013 | US20130119933 Ground fault interrupt circuit for electric vehicle |
| 05/16/2013 | DE102011118639A1 Overvoltage protection device, has shrinking hose or shrinking foil fastened to protection unit and arranged behind viewing window of overvoltage protection unit, where window is released by foil due to temperature effect |
| 05/16/2013 | DE102011118203A1 Automation system has protection circuit with conductive paths that are coupled with protective elements in order to block electromagnetic interference which lie outside specific noise spectrum prior to transmission to terminal |
| 05/16/2013 | DE102011055371A1 Leistungsbegrenzte Generatorerdung Limited power generator grounding |
| 05/16/2013 | CA2857527A1 Device for failure protection in lighting devices having light emitting diodes |
| 05/15/2013 | EP2591530A2 Circuit for protecting an electric load from overvoltages |
| 05/15/2013 | CN202940825U POE apparatus having lightning protection function |
| 05/15/2013 | CN202940824U Power over Ethernet (POE) device |
| 05/15/2013 | CN202940628U Multifunctional charger for civil electric motor car |
| 05/15/2013 | CN202940588U Lightning protection device for coal mine wellhead entry communication cable |
| 05/15/2013 | CN202940587U Lightning arrester having actuating signal remote transmission function |