Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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10/22/2008 | CN201138751Y Earthing set equipment combining power grid controllable reaction with small resistance |
10/22/2008 | CN201138750Y Excessive voltage absorbing apparatus in capacitive damping type |
10/22/2008 | CN201138749Y Surge protector for field instrument having explosion preventing function |
10/22/2008 | CN101291052A Control method for low-voltage isolation technique and manufacturing method thereof |
10/22/2008 | CN101290104A LED illuminating apparatus |
10/21/2008 | US7440252 Connector related structures including an energy conditioner |
10/21/2008 | US7440248 Semiconductor integrated circuit device |
10/21/2008 | US7440247 Gate coupling electrostatic discharge protection circuit with redundant structures |
10/21/2008 | US7440246 Circuit interrupting apparatus with remote test and reset activation |
10/21/2008 | US7440245 Arc fault circuit interrupter and method of detecting an arc fault |
10/16/2008 | WO2008124587A1 Voltage surge and overvoltage protection |
10/16/2008 | WO2008122840A1 Device and method for sharing charge |
10/16/2008 | WO2008122339A1 Circuit arrangement for limiting voltage |
10/16/2008 | WO2008057925A3 Methods and apparatus to facilitate ground fault detection with a single coil |
10/16/2008 | US20080253054 Multi-Functional Energy Conditioner |
10/16/2008 | US20080253049 Circuit for load current measurement, limitation and switching |
10/16/2008 | US20080253047 Semiconductor Device and Electronic Device |
10/16/2008 | US20080253046 Un-assisted, low-trigger and high-holding voltage scr |
10/16/2008 | US20080253045 Integrated circuit device and electronic instrument |
10/16/2008 | US20080253044 Electrostatic protection circuit |
10/16/2008 | US20080253043 Active matrix device and a flat panel display with electrostatic protection |
10/16/2008 | DE202008010735U1 Steckdose mit Überlastwarnung Socket with overload warning |
10/16/2008 | CA2683429A1 Voltage surge and overvoltage protection |
10/15/2008 | CN201134671Y Low noise dry-type arc-suppressing coil |
10/15/2008 | CN201134670Y Grounding protecting equipment for controllable current limiting neutral point |
10/15/2008 | CN201134669Y Motor protective hub apparatus |
10/15/2008 | CN201134668Y Automatically recoverable electromagnetic furnace protecting circuit |
10/15/2008 | CN201134667Y Computer radiation canceller |
10/15/2008 | CN201134432Y Protective circuit of chip electrostatic prevention |
10/15/2008 | CN201134155Y Signal separating and converting circuit |
10/15/2008 | CN101288215A I/o单元esd系统 I / o unit esd system |
10/15/2008 | CN101286636A Switching overvoltage absorption apparatus |
10/15/2008 | CN101286509A Electrostatic protection circuit |
10/15/2008 | CN100426618C Protection circuit for static discharge |
10/15/2008 | CN100426613C Power souce commutation possessing reverse connected polarity and protection circuit for surge current |
10/14/2008 | US7436824 Distributed switch architecture including a growth input/output bus structure |
10/14/2008 | US7436640 Booster power management integrated circuit chip with ESD protection between output pads thereof |
10/14/2008 | US7436087 Power line conditioner |
10/09/2008 | WO2008121812A1 Structure and circuit technique for uniform triggering of multifinger semiconductor devices with tunable trigger voltage |
10/09/2008 | WO2008121430A2 Parallel connected hts fcl device |
10/09/2008 | WO2008120007A1 Apparatus for quench protection and stabilising decay in a quasi-persistent superconducting magnet |
10/09/2008 | US20080247113 Protection patch panel |
10/09/2008 | US20080247105 Voltage Surge and Overvoltage Protection |
10/09/2008 | US20080247104 Electrostatic discharge protection circuit having a reduced size and lower operating voltage |
10/09/2008 | US20080247103 Electro-static discharge protection device having a low trigger voltage and reduced size |
10/09/2008 | US20080247101 Electronic device and method |
10/09/2008 | US20080247099 Overcurrent Detecting Circuit and Regulator Having the Same |
10/09/2008 | DE112006002917T5 Lineare Überspannungsschutzschaltung mit geringer Kapazität Linear overvoltage protection circuit with a small capacity |
10/09/2008 | DE102008016136A1 Verfahren zum Nachstellen einer Löschspule A method for adjusting a quenching coil |
10/08/2008 | EP1415378A4 Voltage limiting protection for high frequency power device |
10/08/2008 | EP1279213B1 Sensitive ground fault detection system for use in compensated electric power distribution networks |
10/08/2008 | CN201130863Y Charger circuit for automobile |
10/08/2008 | CN201130859Y Generator lightning protection protection system for wind generator set |
10/08/2008 | CN201130858Y Overvoltage protection circuit |
10/08/2008 | CN201130857Y Damp type overvoltage absorber |
10/08/2008 | CN201130856Y DC overvoltage protection circuit apparatus |
10/08/2008 | CN201130855Y Surge protector with communication interface |
10/08/2008 | CN201130854Y Photoelectricity safety unit |
10/08/2008 | CN201130853Y Fault current limiting device |
10/08/2008 | CN201130845Y Shunt inductance current-limiting breaker |
10/08/2008 | CN101282439A Power supply system for antenna |
10/08/2008 | CN101281314A LCD device with electro-static discharge protection function |
10/08/2008 | CN100424959C Breakdown diode triggering thyristor valve over-voltage protector |
10/08/2008 | CN100424958C A, C, mains overvoltage protector having metalic ceramic gas discharge tube |
10/08/2008 | CN100424957C Bias bridge type short circuit current limiter |
10/07/2008 | US7433168 Amalgam of shielding and shielded energy pathways and other elements for single or multiple circuitries with common reference node |
10/07/2008 | US7433166 Constant current generator |
10/07/2008 | US7433165 Auto-resetting span-power protection |
10/02/2008 | WO2008116428A2 Method of improvement of earth-fault protection reliability and applicable wiring diagram |
10/02/2008 | WO2008021279A3 Adaptive transient blocking unit |
10/02/2008 | US20080239604 Surge protected power supply |
10/02/2008 | US20080239601 Semiconductor device |
10/02/2008 | US20080239600 Low trigger voltage esd protection device |
10/02/2008 | US20080239599 Clamping Voltage Events Such As ESD |
10/02/2008 | US20080239598 Arc Flash Elimination Apparatus and Method |
10/02/2008 | DE112006002915T5 Integrierte Schaltung zum Bewirken von Überpannungsschutz für Niederspannungsleitungen Integrated circuit for effecting Überpannungsschutz for low-voltage lines |
10/01/2008 | EP1976077A2 Arc flash elimination apparatus and method |
10/01/2008 | CN201126963Y Communication lightning protection box |
10/01/2008 | CN201126957Y Protective circuit for voltage transformer |
10/01/2008 | CN101278455A Conditioner with coplanar conductors |
10/01/2008 | CN101277013A Device for protecting against voltage surges with a mobile electrode with system for unlocking the disconnection device |
10/01/2008 | CN101277008A Arc flash elimination apparatus and method |
10/01/2008 | CN101277005A Aerial insulated wire lightning protection device |
10/01/2008 | CN100423397C Method for compensating coil drop induction voltage and contact arc-suppression for three-phase voltage regulator |
10/01/2008 | CN100423393C Protective circuit |
09/30/2008 | US7430103 Static electricity protective circuit and high-frequency circuit apparatus incorporating the same |
09/30/2008 | US7430099 Electrostatic discharge protection circuit protecting thin gate insulation layers in a semiconductor device |
09/25/2008 | WO2008114650A1 Circuit protection device |
09/25/2008 | WO2007150038A3 Retainer for surge arrester disconnector |
09/25/2008 | WO2006130722A3 An apparatus and method for determining a faulted phase of a three-phase ungrounded power system |
09/25/2008 | US20080232017 Overcurrent detecting circuit and semiconductor device |
09/25/2008 | US20080232014 Electric fault current limiter having superconducting elements inside a cryogenic vessel and bushings for connecting an external circuit |
09/25/2008 | US20080232013 High-Voltage Tolerant Power-Rail ESD Clamp Circuit for Mixed-Voltage I/O Interface |
09/25/2008 | US20080232012 Method for improved triggering and oscillation supression of esd clamping devices |
09/25/2008 | US20080232011 Apparatus and methods for integrated circuit with devices with body contact and devices with electrostatic discharge protection |
09/25/2008 | US20080232010 Esd protection circuit and method thereof |
09/25/2008 | US20080232009 Semiconductor device having an ESD protection circuit |
09/25/2008 | US20080232008 Electrostatic discharge safe under conveyor antenna |
09/25/2008 | CA2680861A1 Circuit protection device |
09/24/2008 | EP1973223A2 Inverter device and motor drive with inrush limiting circuit |