Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › 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
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)
11/2012
11/20/2012US8314584 Motor arrangement with an electronic isolating relay module
11/20/2012CA2506876C Power tool lockdown device
11/16/2012CA2776115A1 Combination gfci/afci receptable with class 2 power units
11/15/2012WO2012153276A1 Battery charging device and process for operating the same
11/15/2012WO2012152681A1 Electromotive drive for furniture, comprising a power supply device
11/15/2012WO2012152304A1 Method and protective device for recognising a symmetrical short-circuit in a multi-phase electrical power supply network
11/15/2012WO2012107474A3 Electric-motor furniture drive having a power supply device
11/15/2012US20120287969 Isolation and Protection Circuit for a Receiver in a Wireless Communication Device
11/15/2012US20120287548 Surge protector
11/15/2012US20120287545 Method and system for shoot-through protection
11/15/2012US20120287543 Trip unit including separable component to save and restore settings, and circuit breaker including the same
11/15/2012US20120287542 Service Line Safety Monitor
11/15/2012US20120287540 Circuitry to prevent overvoltage of circuit systems
11/15/2012US20120287537 Leakage detection protection circuit
11/15/2012US20120285086 Collision monitoring system
11/15/2012DE102011075846A1 Device for monitoring of charging device for e.g. lithium ion battery of electric vehicle, has control device supplying microprocessor with power supply voltage and resetting microprocessor when integrity of microprocessor is not ensured
11/15/2012DE102011075645A1 Low voltage power switch has triggering unit that is operated based on analog audio voltage applied to transducer, so that audio decoder generates audio data from digital audio format stored in ROM
11/14/2012EP2523331A1 Frequency inverter with ground fault protection and method for operating same
11/14/2012EP2523304A1 Battery charger and method for same
11/14/2012EP2523294A1 Switching assembly for a protection device for electrical assemblies
11/14/2012EP2522059A1 Improved power supply and method related thereto
11/14/2012CN202535604U Streetlight control circuit
11/14/2012CN202535050U Combined type grounding system for reactance and resistor in power distribution network
11/14/2012CN202535047U Microcomputer-based protection and control system for remote control of switching-on/off operation of reclosing
11/14/2012CN202535041U Short-circuit protecting circuit of high-power photovoltaic inverter
11/14/2012CN202535039U LED variable-frequency power supply overvoltage protection circuit
11/14/2012CN202535033U Novel overcurrent protector for voltage transformer
11/14/2012CN202535032U Novel intelligent electricity leakage comprehensive protector
11/14/2012CN202535031U Protecting device carrying out alarm in time when formed foil is broken
11/14/2012CN202535030U Novel power supply protection module
11/14/2012CN202533789U Field device used in industrial process control system
11/14/2012CN202533521U Remote device for judging failure of leakage protector and block or failure of alternating current contactor
11/14/2012CN102782973A Improved power supply and method related thereto
11/14/2012CN102780512A Protective circuit for preventing radio station from uninterrupted transmission
11/14/2012CN102780217A Surge protection device
11/14/2012CN102780208A Short-circuit protection circuit for motor controller
11/14/2012CN102780206A Electric leakage detection protecting circuit
11/14/2012CN102780205A Electric leakage detecting protection circuit
11/14/2012CN102780204A Under-voltage protection circuit and lamp
11/14/2012CN102780203A Overvoltage and under-voltage protection circuit
11/14/2012CN102780202A Overvoltage protection circuit and lamp
11/14/2012CN102780201A Circuit and method for interrupting a current flow in a DC current path
11/14/2012CN102780200A Circuit arrangement and method for interrupting a current flow in a DC current path
11/14/2012CN102780199A Overcurrent protection circuit and lamp
11/14/2012CN102780198A Overcurrent protection circuit
11/14/2012CN102779621A Oil replacement device
11/14/2012CN101877473B Protection circuit in surge protector used for high-definition camera
11/13/2012US8310798 Active monostable positive transient protection circuit for a capacitive load
11/13/2012US8310796 Methods and systems for operating power converters
11/13/2012US8310794 Apparatus, system and method for electric power supply
11/13/2012US8310111 Switching phase offset for contactor optimization
11/13/2012CA2577319C Mirror element drive circuit with fault protection
11/08/2012US20120282097 Lightning protection system for a wind turbine, wind turbine and method for protecting components of a wind turbine against lightning strikes
11/08/2012US20120281329 Transient voltage suppressor (tvs) with improved clamping voltage
11/08/2012US20120281326 Efficient input voltage sensing technique
11/08/2012DE102011075115A1 Control component i.e. microcontroller, for formation of mechatronic transmission controller of motor car, has voltage regulator for supplying output voltage to input of component, where component enables load-free switching of load output
11/07/2012CN202524313U Communication power supply module with input over-current protection
11/07/2012CN202524293U 28 V direct current solid power controller
11/07/2012CN202524073U Overvoltage protection circuit and communication equipment
11/07/2012CN202524067U Input over-voltage and under-voltage protection device of communication power supply module
11/07/2012CN202524065U Three-phase motor protection switch against phase loss and overcurrent
11/07/2012CN202524062U Overcurrent protection device for power factor correction
11/07/2012CN202524059U An earth leakage protection breaker with low current fault protection between phase lines
11/07/2012CN202524058U Protection circuit against overvoltage, undervoltage and power reverse
11/07/2012CN202524057U Earth fault protection device of locomotive auxiliary power system and electric locomotive
11/07/2012CN202524056U Switch power supply dc output short circuit protective circuit
11/07/2012CN202524055U Air-conditioning equipment
11/07/2012CN202524054U Power supply control device for household appliances and air-conditioner
11/07/2012CN202524053U Electric arc failure protector
11/07/2012CN202522610U Direct current power supply power failure monitoring device
11/07/2012CN102769959A LED light-dimming driving circuit
11/07/2012CN102769277A Improved structure of safety protection device of low-voltage distribution cabinet
11/07/2012CN102769274A Battery management system
11/07/2012CN102769272A Failure latching and resetting system of power converter and power converter
11/07/2012CN102769267A Intelligent flashy flow controller
11/07/2012CN101685960B Method and controller for preventing automobile spontaneous combustion
11/07/2012CN101595390B Synchronous phasor measuring device and inter-bus phase angle difference measuring device employing it
11/06/2012US8306670 Protection and control system
11/06/2012US8305724 Circuit protector and electric connection box
11/06/2012US8305723 Motor drive ground fault detection
11/06/2012US8305722 Dual-directional electrostatic discharge protection method
11/06/2012US8305721 Electrostatic discharge protection device and method thereof
11/06/2012US8305720 Latch-control protection circuit
11/06/2012US8305719 Electrostatic discharge protection device for high voltage operation
11/06/2012US8305718 Low parasitic capacitance electrostatic discharge protection circuit
11/06/2012US8305717 LED modules for sign channel letters and driving circuit
11/06/2012US8305042 Electric hand-held power tool with a shut-off delay device
11/06/2012US8304806 ESD and EMC optimized HV-MOS transistor
11/01/2012WO2012148774A2 Integrated protection devices with monitoring of electrical characteristics
11/01/2012WO2012146619A1 System for protecting and monitoring a circuit for distributing direct-current power
11/01/2012US20120275076 Bidirectional switch and charge/discharge protection device using same
11/01/2012US20120275071 Arc-fault detection
11/01/2012US20120274259 Alerting apparatus for fan failure and method for the same
11/01/2012US20120274219 Programmable Landscape Lighting Controller with Self-Diagnostic Capabilities and Fail Safe Features
10/2012
10/31/2012EP2517342A2 Over voltage protection of a switching converter
10/31/2012EP2517325A1 High-efficiency dc ballast arrangement with automatic polarity protection and emergency back-up for lighting fixture in a suspended dc-powered ceiling system
10/31/2012CN202513839U Self-diagnosis direct current power supply
10/31/2012CN202513577U Reactive compensation trigger device
10/31/2012CN202513560U Television, television power supply and television metal oxide semiconductor (MOS) tube short-circuit protection circuit
10/31/2012CN202513559U Battery short-circuit protection circuit
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