Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
04/2010
04/13/2010US7696646 Power switching circuit for liquid crystal display
04/08/2010WO2010039580A1 Controller for a motor and a method of controlling the motor
04/08/2010WO2010037634A1 Electrical device having a support frame
04/08/2010WO2010037579A1 Device and method for limiting the rail potential in a dc railway
04/08/2010US20100087897 Overvoltage protection element
04/08/2010US20100085675 Electronic circuit
04/08/2010US20100085672 Esd-protection device, a semiconductor device and integrated system in a package comprising such a device
04/08/2010US20100085034 Current Measurement Circuit, Current Detection Circuit And Saturation Prevention And Recovery Circuit For Operational Amplifier
04/08/2010US20100084551 Input protection circuit for high-speed analogue signal and time-of-flight mass spectrometer
04/08/2010DE202009015714U1 Überspannungsschutzschaltung An overvoltage protection circuit
04/08/2010DE102008049630A1 Überspannungsschutzgerät für Windenergieanlagen Surge protection device for wind turbines
04/08/2010DE102008049418A1 Schutzschaltung für einen elektronischen Baustein und Schaltungsanordnung Protection circuit for an electronic device and circuit arrangement
04/07/2010EP2172644A2 System for restarting internal combustion engine
04/07/2010EP2171756A1 Esd protection circuit
04/07/2010EP1586163B1 Filter network
04/07/2010CN201436758U Large-current surge protector piezoresistor short-circuit-resistant device
04/07/2010CN101692574A Load electric regulator
04/07/2010CN101692425A Novel design method for ESD protection
04/07/2010CN101061618B Overvoltage protective device and method of overvoltage protection
04/06/2010US7692911 Arrangement for protection of electronic components
04/06/2010US7692910 Failure detection in a voltage regulator
04/06/2010US7692907 Circuit for electrostatic discharge (ESD) protection
04/06/2010US7692906 Device for protecting an integrated circuit against latch-up phenomena
04/06/2010US7692905 Electrostatic discharge protection circuit for output buffer
04/01/2010WO2010035168A1 Current limiting controlling for power supply, e.g. led driver, having automatic reset
04/01/2010US20100079921 Semiconductor Device
04/01/2010US20100079920 Overload protection for a circuit arrangement having a transistor
04/01/2010US20100078938 Method and apparatus for an electrical bus leveling unit
04/01/2010US20100078199 Energy conditioning circuit arrangement for integrated circuit
03/2010
03/31/2010EP2169222A2 Overload protection device for wind farms
03/31/2010CN201435604Y Power supply wave filter
03/31/2010CN201435603Y Arc extinction and over voltage protection device
03/31/2010CN201435602Y Digitized arc suppression coil device
03/31/2010CN201435601Y Transient overvoltage protection device
03/31/2010CN201435537Y XGN type special cabinet control automatic-tracking compensation arc-suppression cabinet
03/31/2010CN201435536Y XGN type automatic-tracking compensation arc-suppression route-selecting cabinet
03/31/2010CN101689545A Esd protection circuit
03/31/2010CN101687466A Rail vehicle with a wagon body and method for protective grounding of such a wagon body
03/31/2010CN101685962A Automobile charger and surge protective device thereof
03/31/2010CN101685961A Power supply circuit of audio frequency power amplifier
03/31/2010CN101685955A Base station lightning protection system
03/30/2010US7688565 Arrangements for energy conditioning
03/30/2010US7688562 Status relay including a current switch
03/30/2010US7688561 Ultra-low power limiter
03/30/2010US7688559 Electrostatic discharge protective circuit and semiconductor integrated circuit using the same
03/25/2010US20100073835 Remote sensing circuit and high-power supply apparatus having the same
03/25/2010US20100073834 Electrostatic discharge (ESD) protection circuit and method
03/25/2010US20100073833 Circuit apparatus having electrostatic discharge protection function
03/25/2010US20100073829 Systems and Methods for Reducing Electrically-caused Fires in Wiring Devices
03/25/2010DE10222108B4 Netzanschlusseinheit mit einem Netzentstörfilter für ein elektrisch betriebenes Haushaltgerät Power supply unit with a mains filter for a domestic electrical apparatus
03/24/2010CN201430584Y Crash-proof isolating device used for concentration line communication system
03/24/2010CN201430550Y Solar energy current converging equipment
03/24/2010CN201430438Y Arc-extinguishing device
03/24/2010CN201430437Y High-capacity pressure-sensitive lightning protection module
03/24/2010CN201430436Y Lightning protector for power supply of low-power communication equipment
03/24/2010CN201430435Y Novel surge protector
03/24/2010CN201430434Y Novel surge protector
03/24/2010CN201430433Y Novel surge protector
03/24/2010CN201430432Y Novel surge protector
03/24/2010CN201430431Y Novel surge protector
03/24/2010CN201430430Y Novel surge protector
03/24/2010CN201430429Y Surge protector
03/24/2010CN201430428Y Surge protector with detection device
03/24/2010CN201430427Y Surge protector
03/24/2010CN201430426Y Surge protector
03/24/2010CN201430425Y Surge protector used for end equipment
03/24/2010CN201430424Y Surge protection device with detection function
03/24/2010CN201430423Y Device for eliminating surge voltage
03/24/2010CN201430382Y Lightning protection distribution box
03/24/2010CN101681981A Fault current limiting hts cable and method of configuring same
03/24/2010CN101681711A Apparatus for quench protection and stabilising decay in a quasi-persistent superconducting magnet
03/23/2010US7685447 Circuit interrupter and method modulating configurable processor clock to provide reduced current consumption
03/23/2010US7684167 Communication bus suitable for use in a hazardous area of a process plant
03/23/2010US7684163 Abnormal connection detecting circuit and driving device including the same
03/23/2010US7684162 Leakage current protection device
03/23/2010CA2384750C Device protecting against voltage surges
03/18/2010US20100067161 Overcurrent detection circuit
03/18/2010US20100067159 Electronic trip unit of a circuit breaker
03/18/2010US20100067156 Electrical barrier
03/18/2010US20100067155 Method and apparatus for enhancing the triggering of an electrostatic discharge protection device
03/18/2010US20100067154 Enhancing Bandwidth of ESD Network Using Transformers
03/18/2010US20100065884 Electrostatic Discharge Diode
03/18/2010CA2678862A1 Lightning protection system for a wind turbine
03/17/2010EP2162963A2 Resettable short-circuit protection circuit
03/17/2010CN201426041Y Low-residual-voltage surge protector
03/17/2010CN201426040Y Surge protector
03/17/2010CN201426015Y Transformer neutral point composite apparatus device
03/17/2010CN201424041Y Railway block signal lightning protection module
03/17/2010CN101675566A Parallel connected hts fcl device
03/17/2010CN101674044A Voltage protection device
03/17/2010CN101674024A Direct-current power supply circuit
03/17/2010CN101673946A Protector for starting booster cable
03/17/2010CN101673945A Micro-electromechanical switch protection in series parallel topology
03/17/2010CN101673944A Protective circuit for anti-strong electromagnetic pulse interference
03/17/2010CN101673943A Electrostatic discharge protection circuit and method thereof
03/17/2010CN101673927A Method for starting recloser of extra high-voltage transmission line
03/17/2010CN100594647C Electrostatic discharge protection circuit
03/17/2010CN100594610C Electrostatic discharge protecting circuit capable of saving chip area
03/16/2010US7680509 Transmission/reception integrated radio-frequency apparatus
03/16/2010US7679878 Capacitor sharing surge protection circuit