H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection

Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
11/2011
11/23/2011	CN102256407A Intelligent device and method for driving LED street lamps at constant current by directly utilizing commercial power
11/23/2011	CN102255626A Pi-network-based millimeter wave frequency band receiver with electrostatic discharge protection function
11/23/2011	CN102255304A ESD (Electro Spark Detector) power clamping circuit
11/23/2011	CN102255303A Circuit and device for protecting subscriber line interface circuit (SLIC) chip
11/23/2011	CN102255302A Overvoltage protection circuit and IC (integrated circuit)
11/23/2011	CN102255301A Connection structure for improving radio-frequency performance of off chip ESD (Electro-Static Discharge) protection circuit
11/23/2011	CN102255300A RF assembly
11/23/2011	CN102255299A Method and device for actively protecting double-fed wind power generator converter
11/23/2011	CN102255298A Power electronic failure current limiter
11/23/2011	CN102255297A Short-circuit current limiter additionally-arranging method and device
11/23/2011	CN102255296A Electrostatic discharge protection circuit, method of operation and design structure
11/23/2011	CN102254659A Device for protecting against surge voltages with enhanced thermal disconnector
11/23/2011	CN101005204B System and method of operating double fed induction generators
11/22/2011	US8064866 Passive processing device for interfacing and for ESD and radio signal rejection in audio signal paths of an electronic device
11/22/2011	US8064180 Input-voltage-rate-of-change-dependent current-limit set point for hot-swap controllers
11/22/2011	US8064177 ESD protection for DC/DC converter
11/22/2011	US8064176 EOS robust bipolar transient clamp
11/22/2011	US8064175 Power supply shunt
11/22/2011	US8064174 Leakage current detection and interruption circuit with improved shield
11/17/2011	WO2011143374A1 System and method for providing overvoltage protection
11/17/2011	WO2011143320A2 Dc pass rf protector having a surge suppression module
11/17/2011	WO2011141695A1 Electronic power conditioner circuit
11/17/2011	US20110281735 Fault current limiter with a plurality of superconducting elements having insulated, electrically conducting substrates
11/17/2011	US20110279943 Dc pass rf protector having a surge suppression module
11/17/2011	US20110279942 Surge current sensor and surge protection system including the same
11/17/2011	US20110279936 Integrated circuit with device for protection against electrostatic discharges
11/17/2011	US20110279935 Differential transmission circuit and electronic device provided with the same
11/17/2011	US20110279934 Overvoltage protection structure for a differential link
11/17/2011	US20110279932 Circuit interrupting system with remote test and reset activation
11/17/2011	US20110279931 Electronic device
11/17/2011	US20110279930 Switching regulator control circuit
11/17/2011	US20110278918 Discharge control apparatus arranged in power conversion system
11/17/2011	CA2798891A1 Dc pass rf protector having a surge suppression module
11/16/2011	EP2387122A1 A fault current limiter
11/16/2011	EP1436875B1 Voltage limiter
11/16/2011	CN202042904U Automatic on-line tracking and monitoring device for capacitance and current of power grid
11/16/2011	CN202042901U Arc suppression coil controller device based on embedded technology
11/16/2011	CN202042900U 110 kv combined over-voltage protector
11/16/2011	CN202042899U Work table grounding monitoring device capable of manoeuvrably regulating and setting functions
11/16/2011	CN202042898U Program controlled bypass protection circuit of network equipment
11/16/2011	CN202042897U Full-port protection circuit used in universal serial bus (USB) physical layer interface chip
11/16/2011	CN202042896U Intelligent resistance and capacitance protection and overvoltage integrated protection device
11/16/2011	CN202042895U Household lightning protection air switch
11/16/2011	CN202042894U Thermistor short-circuit circuit for limiting inrush current of relay
11/16/2011	CN202042893U Grounding overcurrent limiting device for iron core of power transformer
11/16/2011	CN202042892U Switch protecting circuit
11/16/2011	CN202042891U Lightning protection device of airplane surface antenna system
11/16/2011	CN202042890U Current detection circuit applicable to overcurrent protection
11/16/2011	CN202042878U Circuit breaker device
11/16/2011	CN202042877U Surge prevention protection device
11/16/2011	CN202042872U Isolated AC fault current limiter
11/16/2011	CN102244381A Electrostatic discharge protection circuit
11/16/2011	CN101702368B High voltage dry-type current transformer and ground protection method thereof
11/16/2011	CN101257211B Circuit for preventing powered on moment impact in frequency converting air conditioner
11/16/2011	CN101142729B Semiconductor device based on a SCR
11/15/2011	US8060019 Asymmetric ESD protection for FM transmitter
11/15/2011	US8059376 ESD clamp for high voltage operation
11/15/2011	US8059375 Circuit arrangement and method for the protection of a circuit against electrostatic discharges
11/15/2011	CA2456368C Protection circuit for a digital subscriber line device
11/15/2011	CA2311137C A surge suppression network responsive to the rate of change of power disturbances
11/11/2011	DE202011106714U1 Sprungwellendämpfungs- /Überlastschutz-Optimieranordnung in Reihenschaltung Sprungwellendämpfungs- / overload protection optimization arrangement in series
11/10/2011	WO2011139459A2 Overvoltage protection circuit for an integrated circuit
11/10/2011	WO2011139269A1 Variable speed drive
11/10/2011	WO2011139204A1 Improved surge protection
11/10/2011	US20110275330 System and method for power amplifier over-voltage protection
11/10/2011	US20110273808 System and Method for Detection of Multiple Current Limits
11/10/2011	US20110273807 Secondary battery pack of novel structure
11/09/2011	DE202011103451U1 Überspannungsbegrenzungsvorrichtung Overvoltage limiting device
11/09/2011	CN202035203U Novel electronic ballast capable of resisting surge current
11/09/2011	CN202034922U Parallel protection circuit of solar module group
11/09/2011	CN202034892U Large power discharge switch device based on electronic triggered thyristor
11/09/2011	CN202034779U Combined packaging type capacitor
11/09/2011	CN202034777U ESD (electrostatic discharge) protective circuit used for capacitive load
11/09/2011	CN202034776U Overvoltage suppression device
11/09/2011	CN202034775U Load overvoltage suppression circuit
11/09/2011	CN202034774U Overvoltage protection device for permanent magnet synchronous motor control failure
11/09/2011	CN202034773U Surge protecting apparatus, signal conditioning apparatus and system
11/09/2011	CN202034772U Direct-current relay control circuit
11/09/2011	CN202034771U Startup current limiting switch
11/09/2011	CN202034770U Novel self-recovery light-emitting diode (LED) street lamp lightning protection device
11/09/2011	CN202034757U Protective circuit
11/09/2011	CN202034489U Lightning-protection piercing grounding wire clip
11/09/2011	CN102237687A Multi-column independent control compound switch type stepped controlled shunt reactor device
11/09/2011	CN102237677A Conduction testing method for controllable spark gap of fault current limiter
11/09/2011	CN102237668A Hybrid fault current limiter
11/09/2011	CN101752369B Semiconductor integrated circuit
11/08/2011	US8054604 Device and method of reducing inrush current
11/08/2011	US8054603 Power converter, short detection circuit thereof, and method for detecting short
11/08/2011	US8054596 Semiconductor device
11/08/2011	US8054592 Arc fault detection using fuzzy logic
11/08/2011	US8054590 Ground-fault circuit interrupter with circuit condition detection function
11/08/2011	CA2486737C Method and apparatus for protecting monitor circuit from fault condition
11/03/2011	WO2011137261A1 Embedded protection against spurious electrical events
11/03/2011	WO2011135094A1 Voltage clamping circuit and use thereof
11/03/2011	US20110267862 System and method for protection of a multilevel converter
11/03/2011	US20110267731 Over-current protection for a switch mode class D audio amplifier
11/03/2011	US20110267730 Overvoltage protector
11/03/2011	US20110267725 Protection apparatus against electrostatic discharges for an integrated circuit and related integrated circuit
11/03/2011	US20110267724 Circuit configurations to reduce snapback of a transient voltage suppressor
11/03/2011	US20110267723 Overvoltage protection circuit for an integrated circuit

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