Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
12/2010
12/02/2010US20100302698 Overcurrent protection circuit and method of protecting power supply circuit
12/02/2010US20100302694 Electrostatic discharge protection circuit
12/02/2010US20100302693 Semiconductor integrated circuit device
12/02/2010US20100302692 Short-circuit protection for switched output stages
12/02/2010US20100301670 Dc peak power tracking devices, methods, and systems
12/02/2010DE102009029514A1 Schaltungsanordnung für ein Steuergerät Circuit arrangement for a control unit
12/02/2010CA2763436A1 Overvoltage protection for inverters that comprise an emc filter at their input end
12/01/2010EP2256806A2 Semiconductor integrated circuit device
12/01/2010EP1762001B1 Circuit arrangement and method for adjusting the power input of a load which can be operated on a direct current supply network
12/01/2010CN201663735U LED power supply
12/01/2010CN201663544U Filter module with electromagnetic interference resistance and transient suppression functions
12/01/2010CN201663441U Filter lightning protector for power sources
12/01/2010CN201663440U Lightning protection device of wind driven generator unit
12/01/2010CN201663439U Fault preventive system of zinc oxide varistor in low-voltage alternating-current power lightning arrester
12/01/2010CN201663438U Two-port household appliance signal surge protective device irrespective of input and output
12/01/2010CN201663433U Protecting device for preventing short circuit caused in current transformer
12/01/2010CN201663239U Lightning protection structure for mobile communication base station based on transient equal potential
12/01/2010CN201663238U Lightning protection type GNSS active antenna
12/01/2010CN201662890U Intelligent loop vehicle detector
12/01/2010CN101902135A Three-phase four-wire switching power supply with high zero-line judgment efficiency
12/01/2010CN101902039A Power supply clamp ESD protection circuit based on NMOS feedback in a chip
12/01/2010CN101902038A Electrostatic protector, electrostatic protection system and visual inspection testing method
12/01/2010CN101359880B Power converter
11/2010
11/30/2010US7843677 Electronic device and method for removing static electricity
11/30/2010US7843675 Overcurrent protection circuit, load driving device, motor driving device, electric appliance, power supply device
11/30/2010US7843673 Antenna diodes with electrical overstress (EOS) protection
11/30/2010US7843672 Input/Output regulating circuitry with self-electrostatic-discharge protection
11/30/2010US7843308 Direct application voltage variable material
11/25/2010US20100296217 Fault Current Limiter
11/25/2010US20100296214 Protective circuit for the input-side protection of an electronic device operating in the maximum frequency range
11/25/2010US20100296213 ESD Protection for FinFETs
11/25/2010US20100296212 Electrostatic discharge clamp circuit
11/25/2010US20100296211 Compact apparatus
11/25/2010US20100296210 Transient suppression device and method therefor
11/25/2010US20100296209 Esd protection
11/25/2010US20100296208 Technique for Limiting Transmission of Fault Current
11/25/2010US20100296207 Short-circuit limiting apparatus in a low-voltage installation
11/25/2010DE19940579B4 Vorrichtung zum Betreiben einer elektrischen Last An apparatus for driving an electric load
11/25/2010DE102008025986B4 Überspannungsschutzvorrichtung für ein spannungsempfindliches Leistungshalbleiterbauteil Overvoltage protection device for a voltage-sensitive power semiconductor component
11/24/2010CN201657468U Electronic ballast circuit of separately-excited 65W energy-saving lamp
11/24/2010CN201657467U Circuit of separate-excitation electronic ballast of 85W energy-saving lamp
11/24/2010CN201657413U Semiconductor LED illuminating lamp driving circuit
11/24/2010CN201657408U Starting overshoot current suppression circuit
11/24/2010CN201657335U Base station power supply signal processor
11/24/2010CN201656801U Vehicular intelligent digital-display electronic rectifier
11/24/2010CN201656760U Surge-prevention soft starting circuit
11/24/2010CN201656759U On-board surge protection device for integrated module
11/24/2010CN201656508U Charging equipment of electric automobile
11/24/2010CN201656472U Phase-control type arc suppression coil with filter loop
11/24/2010CN201656471U Ignition device of simulated experiment system for gas detonation caused by human body ESD
11/24/2010CN201656470U Lightning protection circuit with overcurrent protection function
11/24/2010CN201656469U Lightning protection box with surge wave recording function
11/24/2010CN201656468U Voltage-sharing protective device for power supply unit
11/24/2010CN201656467U Protection circuit lightning protection circuit
11/24/2010CN201656466U Device for limiting transient recovery voltage
11/24/2010CN201656465U Overcurrent-overvoltage preventing port protection circuit
11/24/2010CN201656464U Earthing mode signal arrester
11/24/2010CN201656463U Surging protection circuit and switchboard
11/24/2010CN201656462U Improved programmer I/O protection circuit
11/24/2010CN201656461U Surge current suppressing device and electronic equipment using same
11/24/2010CN201656460U Radiation ablation device for electrical equipment
11/24/2010CN201656459U Power conversion device with discharge-preventing and controlling shield positioning structure
11/24/2010CN201653461U VSF power circuit
11/24/2010CN201646441U Track potential limiting device
11/24/2010CN101897095A Impedance compensated ESD circuit for protection for high-speed interfaces and method of using the same
11/24/2010CN101896048A Method and device for protecting single board plug
11/24/2010CN101895215A Biological effect electromagnet system
11/24/2010CN101895109A Power system of vehicular interaction device
11/24/2010CN101895108A Surge protection system
11/24/2010CN101895107A Anti thunder strike circuit for computer
11/24/2010CN101895106A Systems and methods for protecting a series capacitor bank
11/24/2010CN101895105A Short-circuit preventing device of voltage dependent resistor of large-discharge-current surge protector
11/24/2010CN101895104A Quench propagation circuit for superconducting magnets
11/24/2010CN101895088A Leakage detection protection circuit
11/24/2010CN101895028A Anti-direct current arc discharge circuit
11/24/2010CN101895018A Lightning-proof GNSS active antenna
11/24/2010CN101202443B Power supply meshwork apparatus and electric surge protective circuit thereof
11/24/2010CN101102042B A protection device for lightning strike surge protection circuit
11/23/2010US7839615 Nanotube ESD protective devices and corresponding nonvolatile and volatile nanotube switches
11/23/2010US7839613 Electrostatic discharge protection circuit protecting thin gate insulation layers in a semiconductor device
11/23/2010US7839612 Circuits, architectures, apparatuses, systems, and methods for ESD protection of integrated circuits having multiple power rails
11/23/2010US7839257 Overvoltage protection with status signalling
11/23/2010CA2577639C Surge protector life cycle monitor system and method
11/18/2010WO2010130213A1 Led illumination device capable of open/short circuit protection and its illumination circuit
11/18/2010US20100290166 Electronic Device with High ESD Protection
11/18/2010US20100290165 Circuit Arrangement for Protection Against Electrostatic Charges and Method for Dissipation Thereof
11/18/2010US20100289503 Extended proximity sensor device with electrostatic discharge protection
11/18/2010DE202010008328U1 LED-Schutzanordnung LED protection order
11/18/2010DE102009019341A1 Verfahren und Vorrichtung zum Schalten einer Transformatoreinrichtung eines Schienenfahrzeugs an eine Wechselspannung liefernde Energieversorgungseinrichtung Method and device for switching a transformer device of a rail vehicle to an alternating voltage power supply means supplying
11/18/2010DE102009003019A1 Method for operating electronic automobile-control device to protect controller area network bus transceiver in motor vehicle, involves reducing voltage by series connection of protective diodes and capacitor during short-circuit
11/17/2010EP1456930B1 Fuel cell power plant for mobile unit
11/17/2010CN201639493U Household safe power supply system
11/17/2010CN201639292U Power-supply protecting device for mobile terminal
11/17/2010CN201639288U Surge protection device capable of suppressing continuous pulse
11/17/2010CN201639287U All-insulated falling type arrestor with turn-over device
11/17/2010CN201639286U Communication interface protection circuit of elevator controller
11/17/2010CN201639285U Multifunctional surge protection device
11/17/2010CN201639284U 20 kV combined overvoltage protecting device
11/17/2010CN201639283U Fan power source control circuit
11/17/2010CN201639282U Short circuit trouble current limiter
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