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)
04/2009
04/23/2009US20090103220 Circuit for protecting NMOS device from voltage stress
04/23/2009US20090103219 Overvoltage protection circuit
04/23/2009US20090103216 Alternating Current Series Arc Fault Detection Method
04/23/2009US20090102995 Electrostatic discharge protection circuit, manufacturing method thereof and liquid crystal display device having the same
04/23/2009US20090102294 System and Method for Load Control
04/23/2009DE102007046324A1 Reverse battery protection circuit for use in electric power supply of e.g. aircraft, has MOSFET e.g. N-channel MOSFET, provided between negative pole of battery and current supply connection of load
04/23/2009DE102007044483A1 Schutzschaltung zum Schutz einer Halbbrückenschaltung Protection circuit for protecting a half-bridge circuit
04/23/2009CA2702481A1 Adaptive power management system for aircraft galleys
04/22/2009EP2051359A1 Power supply circuit and earth leakage circuit breaker using the same
04/22/2009EP2051085A1 Method for fault location on series compensated power transmission lines with two-end unsychronized measurement
04/22/2009EP2050105A1 Arresting device particularly for a pluggable surge arrester
04/22/2009EP1186085B1 Electromotive drive
04/22/2009CN201226440Y Earth leakage protection circuit breaker
04/22/2009CN101416364A High speed automatic circuit breaker for protection
04/22/2009CN101414743A Electronic less/over-voltage protective device for low-voltage circuit breaker and control method thereof
04/22/2009CN100481665C Overvoltage protecting circuit and method
04/22/2009CN100481242C Data structure for deformity management information
04/22/2009CN100481233C Optical recording medium and method for managing optical recording medium defect area
04/21/2009US7523254 Method for analyzing performance information
04/21/2009US7522396 Electrostatic discharge protection circuit
04/16/2009WO2009048052A1 Circuit protector and electric connection box
04/16/2009WO2009019096A3 A method for managing a fault event in a network for distributing electrical energy, and a corresponding electronic protection unit.
04/16/2009WO2007025257A3 A relay-to-relay direct communication system and method in a electric power system
04/16/2009WO2006115959A3 Method and apparatus for providing uninterruptible power
04/16/2009US20090097182 Circuitry protection arrangement
04/16/2009US20090097180 Backlight control circuit with protecting circuit
04/16/2009US20090097179 Over current protection method for a power supply and apparatus thereof
04/16/2009US20090097178 Methods and apparatus to detect and over-current in switching circuits
04/16/2009US20090097173 Incoming current suppression device
04/16/2009US20090097172 Load breaker arrangement
04/16/2009US20090095245 Circuit for protecting against shorts in starter motor and battery charging cables
04/16/2009DE202008008868U1 Veränderbares Batterieladegerät Changeable battery charger
04/16/2009DE102008026737A1 Kraftfahrzeug-Überstromschutz Motor vehicle overcurrent protection
04/15/2009EP2047576A1 Device for inspecting an electrical line's protection element and for verifying said electrical line
04/15/2009EP1110288B1 Drive device and method for moving a vehicle part
04/15/2009CN201222655Y Self-control compensation integrated machine for screw pump
04/15/2009CN201222644Y Leakage current motion protector with temperature control
04/15/2009CN201222611Y Lightning protection box for power supply
04/15/2009CN201222464Y Novel circuit breaker
04/15/2009CN201220316Y Protective circuit of contravariant welding machine
04/15/2009CN101410918A Device for detecting the state of a switch
04/15/2009CN101409508A Power circuit and leakage breaker using the same
04/15/2009CN101409185A Circuit interrupting device
04/15/2009CN100479288C Electric circuit breaker, watt meter and power distributing network
04/15/2009CN100478697C Load current detection method for circuit breaker
04/14/2009US7518892 Semiconductor integrated circuit including charge pump and electronic device including the semiconductor integrated circuit
04/14/2009US7518843 ESD protection circuit with low parasitic capacitance
04/14/2009US7518842 Circuits and methods that attenuate coupled noise
04/14/2009US7518840 Electrical switching apparatus and receptacle including automatic miswiring protection
04/14/2009US7518839 Arc discharge protection apparatus operating in current detection mode
04/14/2009US7518341 Method for verifying smart battery failures by measuring input charging voltage and associated systems
04/14/2009CA2425942C Line differential protection system for a power transmission line
04/14/2009CA2409511C Method and device for detecting accidental arcs
04/09/2009WO2009044111A1 Circuit protection device
04/09/2009WO2009043807A2 Electrical device for low-voltage applications
04/09/2009WO2009023099A3 Power clamp for on-chip esd protection
04/09/2009WO2008104850A3 Configurable arc fault or ground fault circuit interrupter and method
04/09/2009WO2007104048A3 Manually-controlled arc flash energy reduction system and method for circut breaker trip units
04/09/2009WO2006086318A3 Safety shield for use with different diameter racking rods and an adaptor for use therewith
04/09/2009WO2006053238A3 Intelligent transient blocking unit
04/09/2009WO2006023938A3 Distributed power and protection system
04/09/2009WO2005074433A3 Computer system capable of supporting a plurality of independent computing environments
04/09/2009US20090092243 Protection Circuit and Method
04/09/2009US20090091872 Excess voltage protection circuit, method of protecting a circuit from excess voltage, and semiconductor apparatus having the excess voltage protection circuit
04/09/2009US20090091869 Circuit interrupting device with automatic components detection function
04/09/2009US20090091279 Control unit for an electric motor, in particular for a fan motor
04/09/2009US20090089994 Method of enclosing an electronic circuit with a permanently enclosed enclosure
04/09/2009DE102007047309A1 Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße Apparatus for determining and / or monitoring a process variable
04/08/2009EP1723709B1 Device for the prevention of serious faults in electrical mains supply networks
04/08/2009EP1232551B1 Electric plant and method and use in connection with such plant
04/08/2009CN201219197Y AC phase sequence affirmation and phase loss protector
04/08/2009CN201219196Y Infra-red oven control device
04/08/2009CN201219195Y Creepage protection apparatus used for test tool
04/08/2009CN201219194Y AC creepage protection circuit
04/08/2009CN201219157Y Intelligent electricity-saving electricity-guard socket of drinking machine
04/08/2009CN201219155Y Multi-functional power supply socket
04/08/2009CN201219092Y Ground fault interrupter
04/08/2009CN101405923A Load detector for a dimmer
04/08/2009CN101405921A An off-mains switch and a control box for electrically driven articles of furniture
04/08/2009CN101404405A Creepage breaker
04/08/2009CN101404404A Demarcation breaker for vector-synthesis zero sequence current
04/08/2009CN101404403A Security control apparatus for water and steam use in bathing room
04/08/2009CN100477437C Residual current device
04/08/2009CN100477436C Phase fault, low-voltage and over voltage breaking protection circuit
04/08/2009CN100477435C Circuit arrangement for overcurrent protection switch
04/08/2009CN100476674C Regulator protection circuit and power supply device comprising same
04/08/2009CN100476643C Method for initializing a power-activated adjusting device and device for implementing said initialization method
04/07/2009US7516371 ECC control apparatus
04/07/2009US7515443 Inverter circuit
04/07/2009US7515400 Circuit breaker box and monitoring system
04/07/2009US7515391 Linear low capacitance overvoltage protection circuit
04/07/2009US7515390 System and method to relieve ESD requirements of NMOS transistors
04/07/2009US7515389 Method and device for safely disconnecting electric drives
04/04/2009CA2640146A1 Electrical leakage detecting device for a fuel cell system
04/03/2009CA2639584A1 System with circuitry for suppressing arc formation in micro-electromechanical system based switch
04/02/2009WO2009042966A1 Systems and methods for power swing and out-of- step detection using time stamped data
04/02/2009WO2009040554A2 Power control apparatus
04/02/2009US20090089614 Data restoring method and an apparatus using journal data and an identification information
04/02/2009US20090086399 Snubber circuit
04/02/2009US20090086396 Current fault detector and circuit interrupter and packaging thereof