Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
06/2010
06/24/2010US20100157489 Method and Apparatus for Moving Material
06/24/2010US20100157487 Short circuit current ratcheting in switch mode dc/dc voltage regulators
06/24/2010US20100156441 Capacitive divider device, voltage sensor, trip device module and electrical protection apparatus provided with such a device
06/24/2010DE10315982B4 Schaltungsanordnung für ein hybrides Schütz Circuit arrangement for a hybrid contactor
06/24/2010DE102008063816A1 Protection device for protecting automation device e.g. field bus coupler, against overvoltage in e.g. vehicle engineering, has limiting units limiting voltage at input of supply unit during exceeding limit value of supply voltage
06/24/2010DE102008060722A1 Current limiter for electrical power supply, has control circuit controlling current limiting member in operation for limitation of load current, when voltage of power supply between input and another input falls below certain voltage value
06/23/2010EP2200141A1 Circuit configuration for protecting an electricity consumer
06/23/2010EP2200140A2 Protective device for at least one constantly-supplied capacity
06/23/2010CN201515224U VGA signal anti-static circuit
06/23/2010CN201515223U Power supply output overvoltage protective circuit
06/23/2010CN201515222U Device for protecting hall sensor of brushless motor
06/23/2010CN201515221U Third-class protection video frequency monitoring lightening arrester
06/23/2010CN201515199U Removable and suspensible drop-out type arrester
06/23/2010CN1910797B Optically ignited spark gap
06/23/2010CN1710814B Apparatus and method for monitoring input voltage
06/23/2010CN1334984B Current limiting device
06/23/2010CN101755374A Intrinsically safe communications circuit
06/23/2010CN101754835A Power screwdriver
06/23/2010CN101753055A Harmonic ratio calibrator
06/23/2010CN101752863A Surge protection device of PHS base station
06/23/2010CN101752862A Video surge protector
06/23/2010CN101752861A Power source surge protector
06/23/2010CN101752860A Surge protector of telephone network system
06/23/2010CN101752859A Surge protector with test pin
06/23/2010CN101752858A Multi-gap metal gas discharge tube power supply over-voltage protection module
06/23/2010CN101752857A Lightning-prevention and surge-resistance protector of low-voltage distribution system
06/23/2010CN101752856A Electric surge protector
06/23/2010CN101752855A Surge protector capable of preventing mis-insertion
06/23/2010CN101752854A Side lead type surge protector
06/23/2010CN101752853A Surge protection circuit, local area network connector and network module
06/23/2010CN101752852A Device and method for protecting serial port circuit
06/23/2010CN101752851A Electronic equipment with protective circuit
06/23/2010CN101752850A Short trouble current limiter
06/23/2010CN101752849A Anti-static protection circuit
06/23/2010CN101752619A Rechargeable battery protection integrated circuit device, rechargeable battery protection module, and battery pack
06/23/2010CN101752369A Semiconductor integrated circuit
06/23/2010CN101752360A Electrostatic discharging protection circuit and element
06/23/2010CN101752349A ESD protection circuit having multi finger transister
06/23/2010CN101183781B Shunt inductance current-limiting breaker
06/22/2010US7742271 Apparatus and surge protecting circuit thereof
06/22/2010US7742270 System and method for limiting energy in an industrial control system
06/22/2010US7742268 Electric vehicle control apparatus
06/22/2010US7742266 ESD/EOS protection circuit and related integrated circuit
06/22/2010US7742265 High voltage power supply clamp circuitry for electrostatic discharge (ESD) protection
06/17/2010WO2010067679A1 Protocol for voltage surge suppression and recovering from energy surge
06/17/2010WO2010066303A1 A system for transient overvoltage protection
06/17/2010WO2010066096A1 Voltage and current surge protective method and its circuit for induction cooker
06/17/2010US20100149713 Current Limit Control with Current Limit Detector
06/17/2010US20100149711 Circuit Breaker With Bistable Display
06/17/2010US20100149710 Snap-back tolerant integrated circuits
06/17/2010US20100149707 Parallel Connected HTS Utility Device and Method of Using Same
06/17/2010US20100149706 Removable and short-circuit-avoidable lithium battery module
06/17/2010US20100149705 Esd protection circuit including multi-finger transistor
06/17/2010US20100149704 Esd protection circuit
06/17/2010US20100149703 Esd clamp circuit applied to power amplifier
06/17/2010US20100149702 DC Noise Absorbing Device for Preventing Surges and Regulating Voltages
06/17/2010US20100149701 Electrostatic discharge circuit and method
06/17/2010US20100148592 Method for the control of an electric fence energizer
06/17/2010US20100148266 System and method for isolated nmos-based esd clamp cell
06/17/2010US20100148265 Esd protection device
06/16/2010CN201509180U High-capacity controllable reactor with match of grading and continuous control
06/16/2010CN201509152U Boosted circuit for input ultra-low voltage
06/16/2010CN201509100U Electricity double-power device
06/16/2010CN201509074U Protection device for starting booster cable
06/16/2010CN201509073U Direct current supply two-grade lightning protection device used for base station
06/16/2010CN201508997U Driving power supply with function of preventing over-current misjudging for semiconductor laser device
06/16/2010CN201508758U Dry-type magnetic-bias arc-suppression coil
06/16/2010CN201508384U Voltage measurement circuit for two-way direct-current power supply power transmission road
06/16/2010CN1954471B Earthing and overvoltage protection arrangement
06/16/2010CN101741081A Surge suppressor with thermal protective function
06/16/2010CN101741080A Ethernet surge protector
06/16/2010CN101741079A Antenna feeder surge protector
06/16/2010CN101741078A Locking circuit for overvoltage-undervoltage protection of driving voltage of IGBT (insulated gate bipolar transistor)
06/16/2010CN101741077A Multi-functional surge protection device
06/16/2010CN101741076A YBCO high-temperature superconducting strip-based short circuit fault current limiter
06/16/2010CN101741075A Esd protection circuit and circuitry of ic applying the ESD protection circuit
06/16/2010CN101741074A Ship electricity fault current restrictor
06/16/2010CN101741073A Structures for electrostatic discharge protection
06/16/2010CN101741066A Main circuit structure for permanent magnet synchronous motor control system
06/16/2010CN101740957A Electric coupler component
06/16/2010CN101334764B Interface device and voltage processing method based on the interface device
06/16/2010CN101160701B System for precharging a DC link in a variable speed drive
06/15/2010US7738236 Light weight system for lightning protection of nonconductive aircraft panels
06/15/2010US7738234 Solenoid-operated valve and solenoid-operated valve-driving circuit
06/15/2010US7738226 Integrated snubber device on a semiconductor basis for switching load reduction, voltage limitation and/or oscillation attenuation
06/15/2010US7738225 Circuit and method for limiting power to a load
06/15/2010US7738224 ESD protection for bipolar-CMOS-DMOS integrated circuit devices
06/15/2010US7738222 Circuit arrangement and method for protecting an integrated semiconductor circuit
06/10/2010WO2010065942A1 Arc recovery with over-voltage protection for plasma-chamber power supplies
06/10/2010US20100142107 ESD protection circuit with active triggering
06/10/2010US20100142106 Surge preventing circuit, local area network connector, and network module
06/10/2010US20100142105 Bidirectional ESD Power Clamp
06/10/2010US20100142104 System and method for electrical protection of appliances
06/10/2010DE102008060793A1 Circuit arrangement for use as multi-power output stage for switching excitation winding of solenoid valve, in automobile electronics field, has controllable connection device connecting nodes of respective transistors with one another
06/09/2010CN201504240U PoE port circuit and PSE equipment
06/09/2010CN201504147U Power-generation shock absorber
06/09/2010CN201504101U Integral grounding transformator and arc extinction coil device
06/09/2010CN201504100U Electrified anti-impact circuit
06/09/2010CN201504099U Protection circuit of signal port
06/09/2010CN201504098U Alternating current servo driving protection circuit