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)
03/2008
03/04/2008US7340313 Monitoring device for monitoring internal signals during initialization of an electronic circuit
03/04/2008US7340312 Method and system for monitoring and control of complex systems based on a programmable network processor
03/04/2008US7339803 Inverter bridge short-circuit protection scheme
03/04/2008US7339776 Silicon carbide diode voltage limiter
03/04/2008US7339774 Automatic battery disconnect system
03/04/2008US7339773 Method for driving a semiconductor switch and circuit configuration with a semiconductor switch
03/04/2008US7339772 Hot-swap protection circuit
03/04/2008US7339770 Electrostatic discharge protection circuit having a ring oscillator timer circuit
02/2008
02/28/2008WO2008024451A2 Current sensing load demand apparatus and methods
02/28/2008WO2008023385A1 Electrical fault restricting system
02/28/2008WO2008023221A1 Protection circuit apparatus
02/28/2008WO2007133279B1 Device alert system and method
02/28/2008US20080052681 Method of tracing data collection
02/28/2008US20080049369 Protection of a communication line
02/28/2008US20080049367 Current Sensing Load Demand Apparatus and Methods
02/28/2008US20080049366 Protection circuit
02/28/2008US20080049364 Leakage current monitor
02/28/2008CA2667230A1 Electrical fault restricting system
02/27/2008EP1356561B1 Monitoring system
02/27/2008EP1110038B1 Control system for bathers
02/27/2008CN201029200Y Intelligent demarcation load switch
02/27/2008CN201029199Y Synthetic controller of high voltage switch
02/27/2008CN201029198Y High-voltage switch high-speed sampling overflowing controller
02/27/2008CN201028758Y Anti-creep water heater
02/27/2008CN101132128A Electrifying and switching on control method used for creepage protector
02/27/2008CN101132127A Electric network state detecting method used for creepage protector
02/27/2008CN100372033C Anti-DC-bias mutual inductor magnet-core for leakage protector and manufacturing method thereof
02/26/2008US7336705 Smart receiver for wireless peripherals
02/26/2008US7336463 Device and method for dimming service loads
02/26/2008US7336462 Alternator and starter tester protection apparatus and method
02/26/2008US7336461 Method for determining the moment of closure of a circuit breaker on a high voltage line
02/26/2008US7336459 Electrostatic discharge protection device and circuit thereof
02/26/2008US7336458 Circuit interrupting system with independent trip and reset lockout
02/26/2008US7336457 Ground fault circuit interrupter (GFCI) end-of-life (EOL) status indicator
02/26/2008US7336193 Device for monitoring the leakage current of a surge arrester
02/26/2008US7336060 Circuit and method for controlling a DC-DC converter by enabling the synchronous rectifier during undervoltage lockout
02/25/2008CA2598890A1 Power supply start-up circuit for a trip unit and circuit interrupter including the same
02/21/2008WO2008021214A2 Systems and methods for power ride-through in variable speed drives
02/21/2008WO2008020798A1 Ground fault detection
02/21/2008WO2004010242A3 Software tool to detect and restore damaged or lost software components
02/21/2008US20080046780 Nonvolatile memory
02/21/2008US20080043500 Snubber Circuit and Power Semiconductor Device Having Snubber Circuit
02/21/2008US20080043396 Protective device
02/21/2008US20080043395 Surge Voltage Protection Device with Improved Disconnection and Visual Indication Means
02/21/2008US20080043392 Electricity limit protection switch device
02/21/2008US20080043391 Timer reset circuit for overcurrent protection of switching power amplifier
02/21/2008US20080043387 Relocatable power tap with ground-neutral fault detector
02/21/2008US20080042710 Self-oscillating driver with soft start circuit
02/21/2008US20080042630 Power supply device and projection apparatus using the same
02/21/2008DE102006038104A1 Electric circuit for supplying energy to e.g. lamp of sailing boat, has switch connected with control circuit that is activated by monitoring circuit using interface, where control and monitoring circuits are coupled with supply circuit
02/21/2008CA2660382A1 Ground fault detection
02/20/2008EP1890369A1 Ground fault detection
02/20/2008EP1890165A2 Method of directional detection of a fault in the ground connection and device for implementing same
02/20/2008EP1889346A1 Thermal protection for electrical installations and fittings
02/20/2008CN201025680Y A dual power switching circuit
02/20/2008CN201025671Y Automatic converter for power phase sequence
02/20/2008CN201025670Y Dual and/or protection outlet error tolerance mechanism
02/20/2008CN201025650Y Multi-function fireproof overload protection jack
02/20/2008CN201025608Y Multi-function current leakage breaker
02/20/2008CN201025606Y A dual slice over-current protective part
02/20/2008CN201024502Y Electric protection water-saving type toilet seat based on hip self-cleaning flushing technology
02/20/2008CN201024501Y Electric protection water-saving type toilet seat based on hip self-cleaning flushing technology
02/20/2008CN101127608A Wireless network adapter over current protection method and device
02/20/2008CN101127439A 50Hz and 100Hz protection and setting method for high voltage DC power input system
02/20/2008CN100370665C Automatic double-path electric coverting cabinet with phase-sequence monitor
02/20/2008CN100370664C Arc and leakage protector
02/20/2008CN100370570C Intellight earth-fault circuit breaker with reverse connection protection
02/20/2008CN100370266C Diagnostic system and method for electric leak detecting device
02/19/2008US7334014 Consistent time service for fault-tolerant distributed systems
02/19/2008US7333920 Arc fault detector with circuit interrupter
02/19/2008US7333350 Self driven synchronous rectifier shutdown circuit and method
02/19/2008US7333316 AC power line protection using thyristors
02/19/2008US7333310 ESD bonding pad
02/19/2008US7333308 Control arrangement
02/19/2008US7332899 Circuit arrangement for monitoring a voltage supply, and for reliable locking of signal levels when the voltage supply is below normal
02/14/2008US20080037295 Dc-ac converter and method for protecting dc-ac converter from overcurrent
02/14/2008US20080036559 Distance protection relay and method
02/13/2008EP1886392A1 Method for avoiding undesired, measurement error-induced protective tripping within a protection system of an hvdc transmission system
02/13/2008EP1886161A1 An apparatus and method for testing circuit breakers
02/13/2008EP1886150A1 Current sensor
02/13/2008CN201022237Y Over voltage protection circuit and power supply device
02/13/2008CN201022151Y Self dormancy control circuit and battery system
02/13/2008CN201022146Y Analog and digital residual current action protector
02/13/2008CN201022145Y Over current protection system for breaker
02/13/2008CN201022144Y Power protector
02/13/2008CN201022069Y Breaker with miss and under voltage buckle release and electronic over current buckle release
02/13/2008CN201022068Y Device for blocking electrical connection between power supply input and output end
02/13/2008CN201021987Y Automatic controller of computer power supply
02/13/2008CN101124706A Circuit arrangement and method for detecting the state of a circuit protection element
02/13/2008CN101124705A System and method for circuit protector monitoring and management
02/13/2008CN101123347A An automatic reset for current leakage protection
02/12/2008US7331042 Fault-tolerant dynamic editing of GUI display and source code
02/12/2008US7331003 Match circuit for performance counter
02/12/2008US7330944 Method for storing data in a memory, a system, an electronic device and a memory card
02/12/2008US7330343 Current-limiting protection circuit for a power supply
02/12/2008US7330342 Safety tester having a high-voltage switching relay protected by an in-line electronic circuit breaker
02/12/2008US7330022 Power monitoring system
02/12/2008US7329969 Electronic device including interface terminal and power supply cable connected thereto
02/12/2008US7329966 Vehicle-mounted electrical generator control system enabling suppression of supply voltage spikes that result from disconnecting electrical loads
02/07/2008US20080034184 Fault tolerant cell array architecture