Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
04/2014
04/15/2014US8699193 Protection circuit for a power conversion apparatus
04/15/2014US8699188 Shunt regulator for overvoltage protection at transformer rectifier unit of electrical generating system
04/15/2014US8698359 Electric storage system
04/15/2014CA2523596C Power supply of a measuring device
04/10/2014WO2014055959A1 Electrostatic discharge protection for class d power amplifiers
04/10/2014US20140100116 Inductive fault current limiter with divided secondary coil configuration
04/10/2014US20140098598 Memory cell array latchup prevention
04/10/2014US20140098452 Power supply apparatus relating to dc-dc voltage conversion and having short protection function
04/10/2014US20140098451 Inductive fault current limiter with divided primary coil configuration
04/10/2014US20140098448 Electrostatic protection for stacked multi-chip integrated circuits
04/10/2014US20140098447 Electrostatic discharge protection for class d power amplifiers
04/10/2014US20140097704 Method and system for controlling the turn-on time of a device that includes a magnetic circuit
04/10/2014DE112005001698B4 Leistungszufuhr-Clamp-Schaltung, integrierte Schaltungsanordnung und Verfahren zum Bereitstellen eines elektrostatischen Entladungsschutzes Power supply clamp circuit, integrated circuit arrangement and method for providing an electrostatic discharge protection
04/10/2014DE102011082554B4 Verfahren zur Bestimmung eines Erdschlussstroms in einem erdschlussbehafteten Drehstromnetz A method for determining an earth leakage current in an earth-faulted phase power supply
04/09/2014EP2717404A1 Protection circuit for electric wheelchairs
04/09/2014EP2717342A1 Superconducting element for superconducting current limiter, method for manufacturing superconducting element for superconducting current limiter, and superconducting current limiter
04/09/2014EP2717285A1 Circuit Breaker Module
04/09/2014EP2717278A1 Inductive fault current limiter with split secondary coil assembly
04/09/2014EP2717277A1 Inductive fault current limiter with split primary coil assembly
04/09/2014EP2715906A1 System for distributing electric power to an electrical grid
04/09/2014EP2715897A1 Static surge protection device
04/09/2014EP2715880A1 Plug connector, use thereof for protecting an electrical system against surge discharge, and method for the production thereof
04/09/2014CN203536955U Multifunctional spike suppressor
04/09/2014CN203536954U Vehicle-mounted terminal insurance protection circuit
04/09/2014CN203536953U Lightning arrester deterioration protective device
04/09/2014CN203536952U Microstrip-type antenna-feed lightning arrester
04/09/2014CN203536951U Monitoring-used surge protector lightening failure indication device
04/09/2014CN203536950U Combined type solid discharge tube
04/09/2014CN203536949U Current limiting protection circuit of servo motor of numerical control machine tool
04/09/2014CN203536948U Mining safety barrier fault isolation circuit
04/09/2014CN203536947U Current limiting circuit
04/09/2014CN203536946U Surge protection circuit for PFC (Power Factor Correction) circuit
04/09/2014CN203536945U Electrostatic double protection circuit of vehicle-mounted terminal
04/09/2014CN203536938U Device for operation of protective gap of transformer neutral point
04/09/2014CN203536152U Transformer with lightning-protection function
04/09/2014CN103718408A Circuit interrupter with improved surge suppression
04/09/2014CN103718407A Method and arrangement for reducing in-rush current of multi-module system
04/09/2014CN103715693A Voltage compensation and fault current limiting hybrid system and control method thereof
04/09/2014CN103715682A Capacitive charge release system of buffer arc extinction cabinet
04/09/2014CN103715681A Electrostatic discharge protective circuit and display device
04/09/2014CN103715680A Vehicle lightning protection device
04/09/2014CN103715679A Thunder and lightning storage and protection method and device thereof based on energy storage by capacitor
04/09/2014CN103715678A Sponge cutting machine high voltage electrostatic interference signal resistance device
04/09/2014CN103715677A Electrostatic discharge protective device
04/09/2014CN103715676A Overvoltage protection circuit
04/09/2014CN103715675A Over-current protection circuit
04/09/2014CN103715674A High-capacity-motor slow-starting protective device
04/09/2014CN103715673A Current foldback circuit
04/09/2014CN103715672A Clamping circuit, semiconductor apparatus, and clamping method of semiconductor apparatus
04/09/2014CN103715654A Method for restraining magnetizing inrush currents
04/09/2014CN103715608A 10kV outer string gap lightning arrester connection insulation lead discharging device
04/09/2014CN103050953B Same-time-sequence multi-pulse lightning protection box
04/09/2014CN102544001B SCR (Silicon Controlled Rectifier) structure for providing ESD ( Electro-Static discharge) protection for I/O (Input/Output) port of integrated circuit under all modes
04/09/2014CN102340136B Pluggable surge protector
04/09/2014CN102332701B Safety intelligent leakage protector and control method thereof
04/09/2014CN102280872B Electrostatic-proof protection circuit
04/09/2014CN102280869B Switching device
04/09/2014CN102255299B Method and device for actively protecting double-fed wind power generator converter
04/09/2014CN101895109B Power system of vehicular interaction device
04/08/2014US8693152 Power over ethernet powered device circuit and electrostatic discharge protection circuit thereof
04/08/2014US8693151 Differential transmission circuit and electronic device provided with the same
04/08/2014US8693150 Semiconductor apparatus
04/08/2014US8693149 Transient suppression device and method therefor
04/08/2014US8693148 Over-limit electrical condition protection circuits for integrated circuits
04/08/2014US8693147 Electrical component and method for controlling an electrical component
04/08/2014US8692289 Fast turn on silicon controlled rectifiers for ESD protection
04/03/2014WO2013024462A8 Fault current limiter
04/03/2014US20140092513 Overvoltage protector
04/03/2014US20140092511 Input/output circuit having an inductor
04/03/2014US20140092510 Esd protection device of touch panel
04/03/2014US20140092507 Mitigating cross-domain transmission of electrostatic discharge (esd) events
04/03/2014US20140092506 Extended Drain Non-planar MOSFETs for Electrostatic Discharge (ESD) Protection
04/03/2014US20140092505 Sort probe over current protection mechanism
04/03/2014US20140092504 Electrostatic discharge protection device
04/03/2014US20140092501 Motor controller with reverse-bias preventing mechanism
04/03/2014US20140091776 Voltage regulator
04/03/2014US20140091714 Current limiting circuit and method for led driver
04/03/2014DE102013003584B3 Abtrenn- und Umschaltvorrichtung für den Überspannungsschutz Disconnection and switching device for overvoltage protection
04/02/2014CN203522546U Broadcast television line power supply device
04/02/2014CN203522520U DC power supply starting circuit
04/02/2014CN203522316U Input redundancy circuit
04/02/2014CN203522253U Lightning drawing-away traveling charger
04/02/2014CN203522177U Arc extinction device for eliminating interphase short circuit in single-resistance method
04/02/2014CN203522176U Arc extinction device for solving problem of interphase short circuit according to full resistance method
04/02/2014CN203522175U Novel arc suppression coil grounding compensation device
04/02/2014CN203522174U Lightning protection device for single-phase leakage switch
04/02/2014CN203522173U Anti-interference device with fuse tube
04/02/2014CN203522172U Electromagnetic interference protection circuit for gas engine ECU ignition module
04/02/2014CN203522171U Network cable lighting-prevention conversion device
04/02/2014CN203522170U Energy-saving safety telephone set
04/02/2014CN203522169U Minitype intelligent thunder protection system
04/02/2014CN203522168U Anti-stiff photovoltaic power surge protector
04/02/2014CN203522167U Overload protective circuit of photodetector with avalanche photodiode and trans-impedance amplifier
04/02/2014CN203522166U Short circuit protective device capable of starting non-resistive load
04/02/2014CN203522165U 20kV power distribution network neutral point grounding mode intelligent switching device
04/02/2014CN203521789U Electric connector
04/02/2014CN103703637A Overvoltage protection device with measuring device for monitoring overvoltage protection elements
04/02/2014CN103703534A Redundant excess voltage circuit breaker with rotational disk and with added electronic assembly intended to extend life span of excess-voltage component
04/02/2014CN103701110A Alternating current demagnetizing method-based magnetizing rush current inhibiting method
04/02/2014CN103701109A Direct-current power supply lightning protection box circuit
1 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ... 213