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)
12/2008
12/16/2008US7466527 Electrostatic discharge protection circuit
12/16/2008CA2550378C Dishwasher
12/16/2008CA2442170C Motorized machine electrical system arc detection apparatus and methods
12/11/2008WO2008148428A1 Method and device to predict a state of a power system in the time domain
12/11/2008US20080304297 Switching power supply with protection function
12/11/2008US20080304200 Insulated surge suppression circuit
12/11/2008US20080304198 Power supply apparatus, power supply apparatus control method
12/11/2008US20080304197 Drive circuit of voltage driven element
12/11/2008US20080304196 Electrical Circuit With Incendive Arc Prevention Means
12/11/2008US20080304195 Power abnormal protection circuit
12/11/2008US20080304194 Power supply control apparatus having a function supplying power supply voltage
12/11/2008US20080304193 Voltage input circuit
12/11/2008US20080304192 Low Voltage Head Room Detection For Reliable Start-Up Of Self-Biased Analog Circuits
12/11/2008US20080304191 Threshold voltage method and apparatus for esd protection
12/11/2008US20080304190 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof
12/11/2008US20080303505 Self Tuning High Voltage Power Supply
12/11/2008US20080303460 Method and Device for Identifying Pinching Situations in Displacing Drives in Motor Vehicles
12/11/2008DE19959776B4 Differentialschutzverfahren Differential protection method
12/11/2008DE102007026169A1 Vorrichtung und Verfahren zum Erkennen der Ansteuerungsart für ein spannungs- oder stromauslösendes Schaltgerät Apparatus and method for detecting the type of control for a voltage or current trigger switching device
12/10/2008EP1078432B1 Power circuit breaker
12/10/2008CN201163720Y Multi-use household electrical appliance protector capable of automatic trip when power-on after power-off
12/10/2008CN201163718Y Energization protection breaker
12/10/2008CN201163717Y Intelligent household leakage protector
12/10/2008CN201163716Y Short trouble current limiter with energy consumption resistor
12/10/2008CN201163687Y Induction socket
12/10/2008CN201163686Y Electric power plug having earth leakage protective function
12/10/2008CN201163350Y Time-delay switching controller
12/10/2008CN101320913A Power supply apparatus, power supply apparatus control method
12/10/2008CN101320912A Protective circuit
12/10/2008CN101320909A Protector of transformer
12/10/2008CN101320908A Interturn starting method of shunt reactor
12/10/2008CN101320907A Protective relay system
12/10/2008CN100442623C Protecting method for short-circuit between wire coils of parallel reactor of ultrahigh voltage transmission line
12/10/2008CN100442620C Multi-threshold over-curreut protection system and method for switch powersupply converter
12/10/2008CN100442618C A relay protection system which can distinguish short-circuit and harmonic and its working method
12/10/2008CN100442617C Human body electrification protecting method and apparatus for small current system
12/09/2008US7464322 System and method for detecting write errors in a storage device
12/09/2008US7464288 External storage and data recovery method for external storage as well as program
12/09/2008US7463471 Spark-gap device, particularly high-voltage spark-gap device
12/09/2008US7463470 Electrical barrier
12/09/2008US7463469 System and method for current overload response with class D topology
12/09/2008US7463468 Reverse circulation protection circuit
12/09/2008US7463467 Relay-to-relay direct communication system and method in an electric power system
12/09/2008US7463465 Series arc fault current interrupters and methods
12/09/2008US7463124 Circuit interrupting device with reverse wiring protection
12/09/2008US7463068 Apparatus and method for over-voltage, under-voltage and over-current stress protection for transceiver input and output circuitry
12/09/2008US7463037 Devices, systems, and methods for adaptive RF sensing in arc fault detection
12/09/2008CA2314147C Protection system
12/04/2008WO2008146135A1 Residual current circuit breaker controlling and auxiliary apparatus, and residual current circuit breaker equipped thereby
12/04/2008WO2008146061A2 Electric power generating unit for powering the consumer grid or unit
12/04/2008WO2008145622A1 Power supply apparatus
12/04/2008WO2008145600A1 Circuit for protection against the risk of electric shocks
12/04/2008WO2007136362A3 Non-intrusive electronic control circuitry to detect an open protector in a hermetically sealed compressor
12/04/2008US20080297963 Adjustable over current protection circuit with low power loss
12/04/2008US20080297962 Bus interface and method for short-circuit detection
12/04/2008US20080297956 Electronic Ballast Protection
12/04/2008DE102007025673A1 Power protection unit for use with electronic circuit of phase failure guard for distribution network, has phasing line and neutral line, where phasing line has circuit breakers assigned for disconnection of phasing line
12/03/2008EP1504315B1 Electric load management center
12/03/2008CN201160221Y Auto-power-off synthetic protector
12/03/2008CN201160220Y Passive thread type motor protecting equipment
12/03/2008CN201160214Y Ultra-underpressure open phase protector
12/03/2008CN201160213Y Recoverable short-circuit protection circuit
12/03/2008CN201160212Y Electricity limiting circuit
12/03/2008CN201160178Y Electricity-leakage-proof protective plug
12/03/2008CN201160058Y Selective protection switch and operating mechanism
12/03/2008CN201160057Y Selective protection switch
12/03/2008CN101317243A Circuit breaker including open neutral interlock
12/03/2008CN101316047A Emergency power supply with charger
12/03/2008CN101316044A Charging device capable of providing backward current and inrush current protection
12/03/2008CN101316039A Circuit apparatus
12/03/2008CN101316038A Control circuit of multifunctional protection socket
12/03/2008CN101316037A Aftercurrent action protector with self-diagnostic function
12/03/2008CN101316036A Self-adapting three-phase reclosure decision method of ultra-high voltage electric power line with shunt reactor
12/03/2008CN101316035A Programmable control method of microcomputer complex protection device
12/03/2008CN100440676C One display device for multichip drop out of power supply SPD
12/03/2008CN100440674C Current limiter for short circuit fault
12/03/2008CN100440673C Short-circuit fault current limiter
12/03/2008CN100440669C Open-circuit protector for security unit
12/03/2008CN100440668C Output circuit device of self-controlled breaking protective signal relay
12/03/2008CN100440667C Self-controlled circuir break protective signal output circuit
12/03/2008CN100440666C Electric power switch with an electronic memory unit for parameters and conversion factors
12/03/2008CN100440664C CVT transient filter
12/03/2008CN100440084C Apparatus for controlling standby power
12/02/2008US7461292 Persistent stateful component-based applications via automatic recovery
12/02/2008US7460350 Selective potting for controlled failure and electronic devices employing the same
12/02/2008US7460349 Protection of a power transistor
12/02/2008US7460348 Overload detector/enunciator
12/02/2008US7460345 Data carrier comprising an integrated circuit with an ESD protection circuit
12/02/2008CA2461646C Terminal pad for an insulator assembly
11/2008
11/27/2008WO2008142123A2 Safety shut-off device for electric consumers
11/27/2008WO2008141814A1 Circuit arrangement for fault notification
11/27/2008WO2008141515A1 Method, apparatus and device for power distribution with multiple outputs
11/27/2008WO2008022089A3 Surge suppression system for power over network cables
11/27/2008US20080291595 Protection Unit For An Ac/Dc Low-Voltage Power Supply Line
11/27/2008US20080291594 Electrical Circuit Protection Arrangement
11/27/2008US20080291593 Device protection using temperature compensation
11/27/2008US20080291592 Circuit Breaker System
11/27/2008US20080291590 Arc detection circuit
11/27/2008US20080291587 Electronic appliance
11/26/2008EP1995871A2 Method for operating an electrical circuit