Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
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10/29/2013 | US8570701 Rackmount I/O signal protector assembly for surge protection |
10/29/2013 | US8570699 Relayless and fuseless junction box |
10/29/2013 | US8570698 ESD protection for FinFETs |
10/29/2013 | US8570697 Appartus and method for protecting signal and communication lines from very high voltage and transient pulses |
10/29/2013 | US8570696 Protection circuit for hard disk |
10/29/2013 | US8570695 Battery system |
10/29/2013 | US8570694 Low voltage electrostatic discharge protection |
10/29/2013 | US8570693 Compensating for an electrostatic discharge capacitance load |
10/29/2013 | US8570181 Method and apparatus for supervisory circuit for ground fault circuit interrupt device |
10/24/2013 | WO2013156080A1 Device for protecting a user |
10/24/2013 | US20130279055 Methods, systems and apparatus for determining whether an accessory includes particular circuitry |
10/24/2013 | US20130279054 Overvoltage protection method using exposed device supply rail |
10/24/2013 | US20130279053 Protection circuit |
10/24/2013 | US20130279050 Methods and appratus for ground fault circuit interrupt detection using a single transformer |
10/24/2013 | US20130278082 Communication Device and Electrical Panel Having Such a Device |
10/24/2013 | US20130278078 Method, circuit breaker and switching unit for switching off high-voltage dc currents |
10/24/2013 | DE102012103551A1 Electronic safety device e.g. electronic fuse, for use between source and e.g. touch display, to interrupt current flow during short circuit, has switch unit closed if difference between output voltages exceeds voltage threshold value |
10/23/2013 | EP2654156A1 Fault protection system for a power system of dynamically positioned vessel |
10/23/2013 | EP2654154A2 Power management and distribution system having a fault detection and isolation assembly and method |
10/23/2013 | EP2624397A9 Method and apparatus for determining direction of fault |
10/23/2013 | CN203251136U Vehicle-mounted integrated power supply |
10/23/2013 | CN203251089U Overvoltage protector wiring structure |
10/23/2013 | CN203251076U Anti-PID circuit and monitoring device thereof |
10/23/2013 | CN203251075U Automatic detection and power-off device for machine tool power supply |
10/23/2013 | CN203251074U Three-phase load multifunctional protector |
10/23/2013 | CN203251073U Novel discharge tube and piezoresistor series-wound lightning protection release |
10/23/2013 | CN203251072U Intelligent residual current action protector |
10/23/2013 | CN203251071U Energy-saving circuit of electromechanical device |
10/23/2013 | CN203251070U 电路保护装置 Circuit protection device |
10/23/2013 | CN203251069U A damage-type automatic circuit closer |
10/23/2013 | CN203251068U A current overload alarm circuit |
10/23/2013 | CN203251067U Circuit breaker controller |
10/23/2013 | CN203251066U Cigarette maker unit paper cutting drum heating circuit protective device |
10/23/2013 | CN203250916U Fireproof anti-overload power strip |
10/23/2013 | CN103370762A DIP switch change detection in a self powered relay |
10/23/2013 | CN103370760A Method, circuit breaker and switching unit for switching off high-voltage DC currents |
10/23/2013 | CN103370630A Ground fault detection circuit |
10/23/2013 | CN103368426A Photovoltaic inverter with open-circuit voltage protection function |
10/23/2013 | CN103368420A Test power source for large-power microwave device |
10/23/2013 | CN103368212A Voltage limiting charging circuit |
10/23/2013 | CN103368157A 浪涌保护装置 Surge protection devices |
10/23/2013 | CN103368156A Modularized saturation iron core superconductive current limiter and control method thereof |
10/23/2013 | CN103368144A Overvoltage protection circuit |
10/23/2013 | CN103368139A 变压器保护电路 Transformer protection circuit |
10/23/2013 | CN103368137A Multi-terminal self-repairing data synchronization differential protection method based on network self-repairing |
10/23/2013 | CN103368134A Method for achieving maximum output power of intrinsic safety associated apparatus |
10/23/2013 | CN103368133A Earth leakage protection breaker capable of inter-phase line low current fault protection |
10/23/2013 | CN103368132A Electricity leakage protection device for base station |
10/23/2013 | CN103368131A Energy-saving device for over-voltage protection |
10/23/2013 | CN103368130A Base station overvoltage and undervoltage protection device |
10/23/2013 | CN103368129A Overvoltage protection circuit and electronic device with same |
10/23/2013 | CN103368128A Ground fault protection device for locomotive auxiliary power system and electric locomotive |
10/23/2013 | CN103368127A Over-current protection device for base station |
10/23/2013 | CN103364688A Three-jack socket electric leakage detection circuit |
10/23/2013 | CN102545357B Fully automatic stop charger |
10/23/2013 | CN102033566B Bipolar NPN type band-gap reference voltage circuit |
10/22/2013 | US8564922 System and method for protecting telecommunications device from power faults |
10/22/2013 | US8564920 Smart breaker and related system and method for protecting electrical devices from fault conditions |
10/22/2013 | US8564919 Dimmer circuit with overcurrent detection |
10/22/2013 | US8564918 Pass gate off isolation |
10/22/2013 | US8564916 Photovoltaic array ground fault detection method for utility-scale grounded solar electric power generating systems |
10/22/2013 | US8564915 Methods, systems, and apparatus for detecting arc flash events using light and time discrimination |
10/22/2013 | US8564914 Fault clearing without a DC backup power source |
10/22/2013 | US8564913 Driving device for semiconductor element |
10/22/2013 | US8564307 Arc fault detector with circuit interrupter |
10/22/2013 | US8564237 Seal leakage and seal oil contamination detection in generator |
10/22/2013 | CA2719587C Device, system and method for automatic self-test for a ground fault interrupter |
10/22/2013 | CA2620457C Circuit interrupting device with automatic test |
10/17/2013 | WO2013155356A1 Neutral grounding resistor monitor |
10/17/2013 | WO2013152799A1 Passive resonance dc circuit breaker |
10/17/2013 | WO2013060604A3 Inverter with bridgeable reverse current protection device |
10/17/2013 | US20130271889 Commonly-poled piezoelectric device |
10/17/2013 | US20130271888 Photovoltaic System and Apparatus for Operating a Photovoltaic System |
10/17/2013 | US20130271887 Protective circuit for loads |
10/17/2013 | US20130271886 Method, device, and system for monitoring current provided to a load |
10/17/2013 | US20130271885 Power supply device for plasma processing |
10/17/2013 | US20130271884 Power management and distribution system having a fault detection and isolation assembly and method |
10/17/2013 | US20130271876 Switching control circuit and switching power supply apparatus |
10/17/2013 | US20130270902 Fault Protection System For A Power System Of Dynamically Positioned Vessel |
10/16/2013 | EP2650995A1 Method, device, and system for monitoring current provided to a load |
10/16/2013 | EP2650919A2 Tunable capacitor |
10/16/2013 | CN203243065U Solar controller drive circuit with short-circuit protection |
10/16/2013 | CN203243031U Short circuit protection system for preventing human body from getting electric shock mistakenly |
10/16/2013 | CN203243024U Multifunctional single-phase socket |
10/16/2013 | CN203243023U Leakage alarm and protection circuit |
10/16/2013 | CN203243022U Multifunctional protective and energy-saving switch of electric appliance |
10/16/2013 | CN203243021U An electric connecting wire protection apparatus |
10/16/2013 | CN203243020U Three-phase imbalance circuit breaker |
10/16/2013 | CN203243019U Power-off protector |
10/16/2013 | CN203243018U Low-power-consumption digital-type over-voltage protector |
10/16/2013 | CN203243017U Safety protection circuit of direct current remote power supply system |
10/16/2013 | CN203243016U 电子式定时电源控制器 Electronic timing Power Controller |
10/16/2013 | CN103354967A A protection relay for sensitive earth fault protection |
10/16/2013 | CN103354350A Voltage protection method for single lithium battery |
10/16/2013 | CN103354346A Motor dual protection belt alarm automation control device |
10/16/2013 | CN103353570A Method and system for identifying arc fault based on load terminal voltage detection |
10/16/2013 | CN102324718B Power leakage protector |
10/16/2013 | CN102137534B Virtual ground type high-voltage constant-current circuit |
10/16/2013 | CN102082412B Gear motor |
10/16/2013 | CN101925974B Fault current circuit breaker and method for carrying out self-test of fault current circuit breaker |