Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
03/2014
03/05/2014CN103618301A Electrostatic protection circuit of car-mounted terminal
03/05/2014CN103618298A High-voltage direct-current breaker
03/05/2014CN103618287A Lightning protection method and system
03/05/2014CN103617995A Power source voltage load dump protective circuit
03/04/2014US8665577 Safe area voltage regulator
03/04/2014US8665573 Device for protecting an electrical consumer against voltage spikes in a motor vehicle
03/04/2014US8665572 Battery charge/discharge protection circuit
03/04/2014US8665571 Apparatus and method for integrated circuit protection
03/04/2014US8665570 Diode having a pocket implant blocked and circuits and methods employing same
02/2014
02/28/2014CA2824204A1 System and method for controlling a dual-fed induction generator in response to high-voltage grid events
02/27/2014WO2014029542A1 Circuit interruption device
02/27/2014WO2014028979A1 An electrical protection device
02/27/2014WO2013109681A3 Voltage regulator over-voltage detection system, method and apparatus
02/27/2014US20140055898 Devices and Methods for Overvoltage Protection
02/27/2014US20140055895 Voltage Surge and Overvoltage Protection Using Prestored Voltage-Time Profiles
02/27/2014US20140055894 Electric rotating machine with load dump protector
02/27/2014US20140055892 Electrostatic discharge protection device and method for manufacturing the same
02/27/2014US20140055891 Integrated circuit
02/27/2014DE102012107779A1 Elektronische Schutzvorrichtung, Verfahren zum Betreiben einer elektronischen Schutzvorrichtung sowie deren Verwendung Electronic protection device, method of operating an electronic protection device and the use thereof
02/26/2014EP2701259A2 Series type surge suppressor and clamping circuit
02/26/2014EP2701258A1 Over-current protection device of secondary battery, protection method thereof, and battery pack thereof
02/26/2014EP2701255A1 Circuit interruption device
02/26/2014DE202013008967U1 LED Ansteuerschaltung LED drive circuit
02/26/2014CN203456941U Efficient battery and external power supply automatic switching circuit having multiple protection function
02/26/2014CN203456871U Large-flow surge protector
02/26/2014CN203456870U Anti-surge filter circuit and connector using the circuit
02/26/2014CN203456869U Single-pole PFC lightning protection circuit
02/26/2014CN203456868U Lightning protection surge three phase rectification circuit
02/26/2014CN203456867U Generator excitation system protection circuit
02/26/2014CN203456866U Apparatus for automatically inhibiting ground potential high pressure back flashover
02/26/2014CN203456865U Apparatus for automatically inhibiting lightning current from invading channels
02/26/2014CN103606911A Method for removing instantaneous short circuit earth faults of direct current line of flexible direct current power transmission system
02/26/2014CN103606887A Electronic rapid resonance elimination device installed at neutral point
02/26/2014CN102487194B Electrostatic protection structure based on Si-Ge process platform
02/26/2014CN102447467B IO (Input/Output) circuit for pull-down current
02/26/2014CN102447248B Pull-down current input output circuit
02/26/2014CN102214655B Integrated circuit and method for reduced trigger voltage ofstacked ESD protection circuit
02/26/2014CN102185305B High-reliability power supply clamping ESD (Electronic Static Discharge) protection circuit
02/26/2014CN102148498B Digital subscriber line (DSL) protection circuit
02/26/2014CN101741076B YBCO high-temperature superconducting strip-based short circuit fault current limiter
02/25/2014US8659865 System and method for protection of electrical appliances
02/25/2014US8659864 Power semiconductor device current detector circuit and detection method
02/25/2014US8659861 Electronic component device and package substrate
02/25/2014US8659860 Transient voltage blocking for power converter
02/25/2014US8659859 Electrostatic discharge protection scheme for high-definition multimedia interface transmitters
02/25/2014CA2719348C High-voltage insulator and high-voltage electric power line using said insulator
02/20/2014US20140049869 Circuit interrupter with improved surge suppression
02/20/2014US20140049868 Control Signal Protection Device
02/20/2014US20140049867 Semiconductor switching element drive circuit
02/20/2014US20140049864 Static mems switch for esd protection
02/20/2014US20140049863 Power adaptor
02/20/2014US20140049861 Protective multiplexer
02/20/2014DE102013214483A1 Feldemissionsvorrichtungen und Verfahren zu ihrer Herstellung Field emission devices and methods for their preparation
02/20/2014DE10143475B4 Motorensteuerungsvorrichtung The engine control apparatus
02/19/2014EP2698913A1 Circuit for starting an electric motor within a hand held device
02/19/2014EP2697882A1 Fault current limiter system with current splitting device
02/19/2014EP2697881A1 Two-stage shut-off device
02/19/2014CN203445617U Unified power flow controller capable of short-circuit current limiting
02/19/2014CN203445611U Lightning protection over-voltage isolator
02/19/2014CN203445610U Lightning protection system in firework firecracker industry production plant area
02/19/2014CN203445609U Electrical equipment protection system for neighboring house when communication base station is struck by lightning
02/19/2014CN203445608U Safety barrier/isolator with contact sheets
02/19/2014CN203444591U Digitized electron precaution device
02/19/2014CN203444589U Household bridge control type guard device
02/19/2014CN203444586U Electronic monitoring telephone alarm device
02/19/2014CN103597688A Over-current protection device of secondary battery, protection method thereof, and battery pack thereof
02/19/2014CN103597367A Method and system for controlling the turn-on time of a device that includes a magnetic circuit
02/19/2014CN103595242A A power supply filter capable of suppressing overvoltage surges
02/19/2014CN103595036A Three-in-one lightning protection device for security and protection
02/19/2014CN103595035A Protective circuit capable of improving performance of power source
02/19/2014CN103595034A Closed-loop surge elimination circuit
02/19/2014CN103595033A Isolating circuit of breakdowns of mining safety barrier
02/19/2014CN103595016A Current-limiting protection circuit
02/19/2014CN103587482A Automobile integrated circuit protector capable of stabilizing voltage smoothly
02/19/2014CN102437560B Surge current suppression circuit module with recoverable over-current protection function
02/19/2014CN101834432B Electrostatic protection element, electrostatic protection circuit and liquid crystal display
02/18/2014US8654492 Electrostatic discharge protection apparatus and method therefor
02/18/2014US8654490 High voltage electrostatic discharge clamp using deep submicron CMOS technology
02/18/2014US8654489 Method and apparatus for switched electrostatic discharge protection
02/18/2014US8654488 Secondary ESD circuit
02/18/2014US8654485 Electronic ballast with protected analog dimming control interface
02/18/2014US8654484 Continuous power protection
02/13/2014WO2014023116A1 Lightning filter and electronic equipment
02/13/2014US20140043714 Switchgear including a circuit breaker having a trip unit with an interface to a number of arc fault sensors
02/13/2014DE102008047444B4 Systemsteuervorrichtung System controller
02/12/2014EP2696461A2 Electromechanical apparatus and electrical switching apparatus employing electronic circuit to condition motor input power
02/12/2014EP2695268A2 Surge protection device
02/12/2014EP2695264A1 A switch mode current limiter
02/12/2014DE202014100428U1 Schaltungsanordnung zum Überspannungsschutz Circuit arrangement for the overvoltage protection
02/12/2014CN203434910U Device for eliminating generator neutral point loop resonance in startup for gas turbine power plant
02/12/2014CN203434876U Distribution transformer monitoring and metering terminal
02/12/2014CN203434627U Energy-obtaining system of power-transmission-line on-line monitoring device based on ground wire induction
02/12/2014CN203434624U 20kV flexible grounding control device
02/12/2014CN203434623U Intermediate wave solid state transmitter with lightning protection device on output terminal
02/12/2014CN203434622U Lightning protection overvoltage protection component
02/12/2014CN203434621U Lightning protection overvoltage protection device
02/12/2014CN203434620U Novel overvoltage trigger
02/12/2014CN203434619U Novel transformer neutral-point ground resistor cabinet apparatus
02/12/2014CN203434618U Open-circuit prevention current transformer
02/12/2014CN203434617U Overvoltage protection combined breaker
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