Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › 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)
06/2003
06/18/2003CN2556830Y Short-circuit current combined limiter
06/18/2003CN2556781Y Protector for electrical equipment
06/18/2003CN1425212A Overvoltage protector magazine
06/17/2003US6580184 Electrostatic discharge (ESD) protection circuit of silicon-controlled rectifier (SCR) structure operable at a low trigger voltage
06/12/2003US20030107862 Superconducting fault current controller/current controller
06/12/2003US20030107859 Inrush current suppression circuit
06/12/2003US20030107856 ESD protection circuit
06/11/2003EP1317789A1 Large current watchdog circuit for a photodetector
06/11/2003CN1423287A Single-layer and multi-layer rariable voltage protection device and making method
06/10/2003US6577482 Protective circuit for a series connection of a power semi-conductor end stage and an inductive consumer
06/10/2003US6577481 Cascoded NPN electrostatic discharge protection circuit
06/03/2003US6574652 Intrinsically safe communication and control system for use in hazardous locations including monotoring device with intrinsically safe fluorescent tube backlit
06/03/2003US6573726 Sensitive ground fault detection system for use in compensated electric power distribution networks
06/03/2003US6573674 Circuit for controlling a load to be supplied by an alternating current voltage
06/03/2003US6573566 Low-voltage-triggered SOI-SCR device and associated ESD protection circuit
05/2003
05/30/2003WO2003044922A2 Short-circuit current limiter for short-circuit protection in alternating current circuits
05/30/2003WO2003044612A1 Device with controllable impedance
05/30/2003WO2002071612A3 Sub-micron high input voltage tolerant input output (i/o) circuit which accommodates large power supply variations
05/29/2003US20030099073 Ground fault interrupter
05/29/2003US20030099024 Apparatus and method for energy recovery
05/29/2003US20030098742 Method for reducing current surge using multi-stage ramp shunting
05/28/2003CN2553352Y Protecting device for weighing equipment
05/28/2003CN1421063A Devices and methods for protection of rechargeable elements
05/28/2003CN1420563A 半导体装置 Semiconductor device
05/27/2003US6570747 Low-temperature apparatus
05/22/2003WO2002056473A3 Sub-micron high input voltage tolerant input output (i/o) circuit
05/22/2003US20030094980 Sub-Micron high input voltage tolerant input output (I/O) circuit
05/22/2003US20030094969 Semiconductor device
05/22/2003DE20219088U1 Circuit protection against overcurrent, especially for cars with positive temperature coefficient (PTC) element
05/21/2003EP1312149A2 Protective relay
05/21/2003EP1312148A1 An electrode arrangement for circuit energy conditioning
05/21/2003EP1311785A1 Cryostat for electrical devices such as superconducting current limiters and electrical machines such as transformers, motors, generators and electrical magnets with a superconducting winding
05/21/2003EP1173873B1 Self-recovering current-limiting device with liquid metal
05/21/2003CN2552103Y Intelligent wireless remote-switch and socket
05/20/2003US6567254 Methods and systems for reducing clamp voltages in surge protection circuitry
05/20/2003US6567251 Electrostatic discharge protection of electrically-inactive components
05/15/2003WO2003041265A1 Transient damping arrangement
05/15/2003US20030090845 Electrostatic discharge protection for a mixed-voltage device using a stacked-transistor- triggered silicon controlled rectifier
05/14/2003EP1310031A1 Instant tripping device for short circuits in electrical dc and ac networks of surface and underwater vessels, especially combat vessels, and offshore installations
05/14/2003CN1417916A Compressor controller
05/13/2003US6563926 Resetting surge protection in telephone line interface circuits
05/08/2003WO2003038840A1 Superconducting cable and superconducting cable line
05/08/2003US20030086234 Wide input voltage range surge suppressor
05/08/2003US20030086231 Power conversion apparatus
05/08/2003US20030086225 Surge suppressor
05/08/2003US20030086224 Circuit breaker for detecting an excessive voltage and tripping responsive thereto
05/07/2003EP1309232A2 High voltage discharge lamp device
05/07/2003EP1309075A2 Controlling device of compressor
05/07/2003EP1309061A2 Multifunctional overvoltage protection device
05/07/2003EP1307956A1 Method and device for localising single-pole earth faults
05/07/2003EP1307753A2 Method and device for identifying and localising high-ohm, single-pole earth faults
05/07/2003EP1166420B1 Safety barrier for limiting current and voltage
05/07/2003EP0943171A4 Modulation compensated clamp circuit
05/07/2003CN2549640Y Breakable kelong module security unit
05/07/2003CN1416211A Power converter
05/07/2003CN1107986C Current limiting device
05/07/2003CN1107893C Circuit board for live wire insertion
05/06/2003US6560086 Transient voltage surge suppressor
05/06/2003US6560081 Electrostatic discharge (ESD) protection circuit
05/06/2003US6560080 Low-voltage triggered ESD protection circuit
05/02/2003EP1305863A1 System for overvoltage protection
05/02/2003EP1040558B1 Method for influencing the electrical power of a load with a pulse width modulated signal
05/02/2003CA2403161A1 Power conversion apparatus
05/01/2003US20030081363 ESD protection device and method of manufacturing the device
05/01/2003US20030081362 Semiconductor controlled rectifier for use in electrostatic discharge protection circuit
05/01/2003US20030081361 Method and apparatus for preventing buffers from being damaged by electrical charges collected on lines connected to the buffers
05/01/2003US20030079486 Controlling device of compressor
04/2003
04/30/2003CN1414678A Electrostatic discharge protective circuit using base trigger silicon rectifier
04/30/2003CN1414633A Electronic electrostatic discharge protection device and its manufacturing method
04/29/2003US6556410 Universal surge protector for notebook computers
04/29/2003US6556403 Protective element
04/29/2003US6556401 Circuit arrangement for overload protection
04/29/2003US6556398 Voltage tolerance ESD protection circuit
04/29/2003US6556394 Integrity monitor for neutral-to-ground suppression circuit
04/24/2003WO2003034565A1 Voltage limiter
04/24/2003WO2003034564A1 Intrinsically secure device for supplying redundant current-voltage
04/24/2003US20030076642 Over-voltage protection circuit
04/24/2003US20030076639 High ESD stress sustaining ESD protection circuit
04/24/2003US20030076636 On-chip ESD protection circuit with a substrate-triggered SCR device
04/24/2003US20030075988 Rush current suppression circuit
04/23/2003EP1304786A1 Voltage limiter
04/22/2003US6552886 Active Vcc-to-Vss ESD clamp with hystersis for low supply chips
04/22/2003US6552583 ESD-protection device with active R-C coupling to gate of large output transistor
04/17/2003WO2003032465A2 Alternator with rectifier bridge, in particular for motor vehicle
04/17/2003WO2003032459A1 Electronic apparatus
04/17/2003WO2002099605A9 Method and apparatus for modular embedded control system
04/17/2003US20030072120 Electrical resource device and load driving device
04/17/2003US20030072116 Apparatus providing electrostatic discharge protection and method therefor
04/17/2003US20030071662 Esd-protection device with active r-c coupling to gate of large output transistor
04/17/2003DE19936701C2 Verfahren zum kontrollierten Betrieb einer elektronischen Sicherung und elektronische Sicherung A method for controlled operation of an electronic fuse, electronic fuse
04/16/2003EP1301972A1 Methods and systems for improving esd clamp response time
04/16/2003EP1301933A1 Superconducting device with inductive current limiter using a high-tc superconducting material
04/16/2003CN2545740Y Turn-adjusting arc-extinguishing winding with trimming function
04/16/2003CN2545739Y Surge suppressing device
04/16/2003CN1411117A Machine shut-off instantaneous voltage protection device
04/15/2003US6549389 Electrode arrangement for circuit energy conditioning
04/15/2003US6548869 Voltage limiting protection for high frequency power device
04/09/2003EP1299932A1 Multi-finger current ballasting esd protection circuit and interleaved ballasting for esd-sensitive circuits
04/09/2003CN2544451Y Electricity saving device
04/09/2003CN2544448Y Automatic resume warning type overcurrent plug
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