Patents
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)
12/2007
12/11/2007US7307820 Systems, methods, and device for arc fault detection
12/11/2007US7307462 Self-oscillating driver with soft start circuit
12/11/2007US7307429 Apparatus for testing an arc fault circuit interrupter
12/06/2007WO2007047860A3 Method of detecting faults using graduated fault detection levels
12/06/2007US20070282548 Method and Apparatus for Assessing Condition of Motor-Driven Mechanical System
12/06/2007US20070279821 Low-loss rectifier with shoot-through current protection
12/06/2007US20070279820 System and method providing over current and over power protection for power converter
12/06/2007US20070279818 Load abnormality detection circuit
12/06/2007US20070279814 Self testing ground fault circuit interrupter (gfci) with end of life (eol) indicator, secondary power supply for eol and self test circuitry, and device for opening line hot when eol occurs
12/06/2007US20070279813 Over-voltage protection for voltage regulator modules of a parallel power system
12/06/2007US20070279811 Protection device
12/06/2007US20070278862 Structure to control a magnetic reed switch
12/06/2007US20070278580 Semiconductor integrated circuit device
12/06/2007DE202007013644U1 Stromunterbechungsvorrichtung Stromunterbechungsvorrichtung
12/06/2007DE102006031229B3 Electrical system overvoltage protecting device, has enclosure lower part with insertion opening for printed circuit board, where enclosure side walls and/or part has locking pins to secure position of board
12/05/2007EP1550192A4 System and method for application monitoring and automatic disaster recovery for high-availability
12/05/2007CN200987068Y Voltage self-adapting DC low voltage releasing controller
12/05/2007CN200987067Y Computer energy-saving and life prolonging switch
12/05/2007CN200987066Y Household line protector
12/05/2007CN200987065Y Overcurrent protection circuit for power supply apparatus
12/05/2007CN200987064Y Non-power consumption single-phase current-limiting device
12/05/2007CN200987063Y Lightning arrester deviation automatic display apparatus
12/05/2007CN200987013Y Current failure self-locking electrical source plug
12/05/2007CN200987011Y Electrical source plug, socket with fault arc circuit protection function
12/05/2007CN200986907Y Load limiting circuit breaker
12/05/2007CN200986569Y Ammeter box
12/05/2007CN200986319Y Electric water heater electricity proof installation with time sharing testing function
12/05/2007CN101083438A Flow type power supply linking circuit apparatus
12/05/2007CN101083393A Steering circuit for earthing fault breaker
12/05/2007CN101083392A DC power supply surge suppressor
12/05/2007CN101083391A TMS2812 relay protector based novel anti-jump loop
12/05/2007CN101083390A TMS2812 relay protector based DC monitor circuit
12/05/2007CN100353635C Faulty phase selection element for transmission line of electric system
12/05/2007CN100353630C Circuit longitudinal differential protection braking curve and closed locking angle testing method
12/05/2007CN100353629C Phase loss (off) alarm protector for electric heating component of electric boiler
12/05/2007CN100353287C Method for media content presentation in consideration of system power
12/04/2007US7305586 Accessing and manipulating microprocessor state
12/04/2007US7305584 Data restoring method and an apparatus using journal data and an identification information
12/04/2007US7305291 Mobile energy management system
12/04/2007US7305290 Controlling device of a regulating device of a motor vehicle
12/04/2007US7304829 Apparatus and method for filtering current sensor output signals
12/04/2007US7304826 Fault management of high temperture superconductor cable
12/04/2007US7304403 Power signaling based technique for detecting islanding conditions in electric power distribution systems
12/04/2007CA2181491C Ground fault circuit interrupt system including auxiliary surge suppression ability
11/2007
11/29/2007WO2007137180A2 Bi-directional ground fault circuit interrupter
11/29/2007WO2007137087A2 Integrated programmable over-current protection circuit for optical transmitters
11/29/2007WO2007135162A1 A method of detecting faults on an electrical power line
11/29/2007WO2007134768A1 Device for automatically switching off or switching an electrical consumer
11/29/2007WO2007134766A1 Device for automatically switching off or switching an electrical consumer
11/29/2007WO2006079975A3 Machine condition indication system
11/29/2007US20070276613 Automatic Trip Device, Network System using it And Control Method Thereof
11/29/2007US20070274015 DC-DC converters having improved current sensing and related methods
11/29/2007US20070274014 Integrated Snubber Device on a Semiconductor Basis for Switching Load Reduction, Voltage Limitation and/or Oscillation Attenuation
11/29/2007US20070274013 Electronic Circuit Configuration for Connecting at Least One Active Rotary Speed Sensor, Especially in Commercial Vehicles
11/29/2007US20070274012 Bi-directional ground fault circuit interrupter
11/29/2007US20070273546 Electronic Protection Devices For Circuit-Breakers And Corresponding Programming Method
11/29/2007DE102007015728A1 Ansteuerschaltung Drive circuit
11/29/2007DE102006025607A1 Vorrichtung zum selbsttätigen Abschalten oder Schalten eines elektrischen Verbrauchers Apparatus for automatically switching off or switching an electrical load
11/29/2007DE102006025605A1 Vorrichtung zum selbsttätigen Abschalten oder Schalten eines elektrischen Verbrauchers Apparatus for automatically switching off or switching an electrical load
11/29/2007DE102006025604A1 Vorrichtung zum selbsttätigen Abschalten oder Schalten eines elektrischen Verbrauchers Apparatus for automatically switching off or switching an electrical load
11/29/2007CA2652771A1 Bi-directional ground fault circuit interrupter
11/28/2007EP1859465A1 Electric supply circuit, switch actuating device and method for operating said switch actuating device
11/28/2007CN200983557Y DC line frame commutation power supply for mine with current leakage protection function
11/28/2007CN200983552Y A DC power monitoring circuit
11/28/2007CN200983516Y External start-up power supply for automatic reaction motor
11/28/2007CN200983502Y Free-grounding thunder-prevention device
11/28/2007CN200983500Y A power supply thunder-proof box
11/28/2007CN200983497Y Integrated thunder-prevention distribution tray
11/28/2007CN200983496Y Power grid single-phase grounding protection device
11/28/2007CN200983495Y Quick fusion mixed current limit switch
11/28/2007CN200983494Y Quick recovery mixed current limit switch
11/28/2007CN200983493Y Intelligent signal lighting control device for coal mine
11/28/2007CN200983492Y Fuse-free control device with power carrier
11/28/2007CN200983467Y Remote intelligent integrated distribution box
11/28/2007CN200983349Y Integrated residual current protection relay
11/28/2007CN101079545A An automated re-close brake of high-voltage transmission line
11/28/2007CN101079540A Automatic trip device, network system using it and control method thereof
11/28/2007CN100352122C Surge protector with piece separation
11/28/2007CN100352121C Power source short-circuit protection apparatus
11/28/2007CN100352120C Double parasitic current protector
11/27/2007US7302609 Method and apparatus for executing applications on a distributed computer system
11/27/2007US7302578 Information processing apparatus, image forming apparatus, program-initiation error processing method, and recording medium
11/27/2007US7302566 Internet security system
11/27/2007US7302047 Method of detecting remote ground condition
11/27/2007US7301789 Adjustable speed drive protection
11/27/2007US7301742 Method and apparatus for accessing and activating accessory functions of electronic circuit breakers
11/27/2007US7301741 Integrated circuit with multiple independent gate field effect transistor (MIGFET) rail clamp circuit
11/27/2007US7301739 Ground-fault circuit-interrupter system for three-phase electrical power systems
11/27/2007US7301738 Method and apparatus for minimally invasive network monitoring
11/27/2007CA2194380C Movable barrier operator having force and position learning capability
11/26/2007CA2585110A1 Current-transformed power source connecting circuit device
11/22/2007WO2007133169A1 Description electro-ageeb electrical safety device
11/22/2007WO2007132551A1 Protection relay device, protection relay device control method, and control program
11/22/2007WO2007078528A3 System, method and apparatus for distributing video-on-demand (vod)
11/22/2007US20070268655 Device and method for providing electric service
11/22/2007US20070268642 Integrated programmable over-current protection circuit for optical transmitters
11/22/2007US20070268641 Primary side control module and method for protection of MOSFET against burnout
11/22/2007US20070268640 Relay circuit
11/22/2007US20070268639 Method and device for stopping an electrical apparatus supplied by a plurality of power sources, apparatus equipped with one such device, and system comprising one such device
11/22/2007US20070268635 Bi-directional ground fault circuit interrupter