Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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04/14/2004 | CN1489769A Superconductive cable and superconductive cable line |
04/14/2004 | CN1146097C Overvoltage protection system and overvoltage protection element for overvoltage protection system |
04/14/2004 | CN1146096C Lightning protection for power supply |
04/13/2004 | US6721156 Primary/secondary wireless protector |
04/13/2004 | US6721150 Clamping circuit for use in computer system |
04/13/2004 | US6720676 In-vehicle electric power supply apparatus |
04/08/2004 | WO2004030175A1 Voltage protection |
04/08/2004 | US20040066662 Power supply device and method having a spark prevention function |
04/08/2004 | US20040066597 Telemetry shield diffuser |
04/08/2004 | DE10245273A1 Speisegerät zur eigensicheren Energieversorgung Power pack for intrinsically safe power supply |
04/07/2004 | CN2610546Y Lamp decorations with safety protection circuit |
04/06/2004 | US6717784 Rush current suppression circuit |
04/01/2004 | WO2004027800A2 Current limiting circuit |
04/01/2004 | US20040061379 Method and system for protecting a vehicle system from a load dump |
03/31/2004 | EP1403832A1 Intrinsically safe explosion-proof sensor circuit |
03/31/2004 | CN2609141Y Prolonged switch for lamp bulb |
03/31/2004 | CN1486526A Energy pathway arrangement |
03/30/2004 | US6714429 Active inrush current control for AC to DC converters |
03/30/2004 | US6714393 Transient suppression apparatus for potentially explosive environments |
03/25/2004 | WO2004025702A2 Electrostatic discharge protection device for high speed transmission lines |
03/25/2004 | WO2003098767A3 Device for protecting an electric power distribution network |
03/25/2004 | US20040058822 Wire core overcoated with dielectric coating |
03/24/2004 | CN2607691Y Low power taking and carrier loader for power system |
03/24/2004 | CN2607689Y Multi-user safety distributing box |
03/24/2004 | CN1143420C Circuit for limiting the making current of a capacitive load |
03/23/2004 | US6710991 Electrostatic-breakdown-preventive and protective circuit for semiconductor-device |
03/23/2004 | US6710990 Low voltage breakdown element for ESD trigger device |
03/18/2004 | WO2004023505A1 A controller for electromagnetic systems of current contactors |
03/18/2004 | US20040052024 Intelligent fuse box for the power distribution system of a vehicle |
03/18/2004 | US20040052021 Semiconductor integrated circuit device with enhanced resistance to electrostatic breakdown |
03/18/2004 | US20040052017 Voltage control circuit for a bicycle dynamo |
03/18/2004 | DE4229303B4 Gleichrichter Rectifier |
03/18/2004 | DE10004130B4 Verfahren zum sicheren Betreiben einer mindestens zweistufigen Überspannungsschutzeinrichtung A method of securely operating a at least two-stage over-voltage protection device |
03/17/2004 | CN1482729A Thermoelectric cooling conversion power supply |
03/17/2004 | CN1482717A Method for earthing and line selecting by using compensating electrified wire netting increment function |
03/16/2004 | US6707656 Over-voltage protection against periodic disturbances |
03/16/2004 | US6707653 Semiconductor controlled rectifier for use in electrostatic discharge protection circuit |
03/11/2004 | US20040047104 Ceramic electronic component and method for manufacturing the same |
03/11/2004 | US20040047094 System and method for electrostatic discharge protection using lateral PNP or PMOS or both for substrate biasing |
03/11/2004 | DE10016999B4 Verfahren und Schaltungsanordnung zum Anschalten einer reaktiven Last an eine Wechselstromquelle Method and circuit arrangement for connecting a reactive load to the AC power source |
03/10/2004 | EP1396918A2 Ground fault detection system |
03/10/2004 | EP1396059A1 Electrical circuit protection system |
03/10/2004 | EP1396058A1 Method and arrangement for reducing stress in electrical network |
03/10/2004 | CN1481603A Amalgam of shielding and shielded energy pathways and other elements for single or multiple circuitries with common reference node |
03/10/2004 | CN1141769C Signal lightning prevention device |
03/10/2004 | CN1141721C Power distributing transformer-switch combination |
03/09/2004 | US6703889 In-rush current protection |
03/04/2004 | WO2004019464A1 Electrical network for surface and submarine vessels for example naval ships and for offshore units |
03/04/2004 | WO2003079493A3 Protecting medium voltage inductive coupler device |
03/04/2004 | US20040042143 Electrostatic discharge protection circuit with active device |
03/04/2004 | US20040042135 Circuit configuration for monitoring and/or regulating supply voltages |
03/04/2004 | DE10237549A1 Elektrisches Netz für Unter- und Überwasserfahrzeuge, z. B. Marineschiffe, sowie für Offshoreanlagen Electrical network for above and below water vehicles, such. As naval vessels, and offshore installations |
03/04/2004 | DE10155796B4 System zur Verhinderung eines dauerhaften Lichtbogens in einer Leitung mit geringer Stromführung System to prevent a permanent arc in a line with low power management |
03/02/2004 | US6700770 Protection of double end exposed systems |
03/02/2004 | US6700766 Overvoltage protection circuit with thermal fuse, zener diode, and posistor |
03/02/2004 | US6700763 Protected dual-voltage microcircuit power arrangement |
03/02/2004 | US6700223 Active booster transformer system |
02/26/2004 | WO2004017481A1 Sensor protection circuit |
02/26/2004 | WO2003032465A3 Alternator with rectifier bridge, in particular for motor vehicle |
02/26/2004 | US20040037021 5-pin protector |
02/26/2004 | DE19756916B4 Überwachungssystem Monitoring system |
02/26/2004 | DE10332578A1 Voltage protection circuit for vehicle user includes voltage converter and switching circuit protecting electronic control against over-voltage |
02/24/2004 | US6697243 Under voltage release with an electromagnet and clocked holding current circuit |
02/24/2004 | US6697241 Circuit for preventing high voltage damage to a MOSFET switch in series with an inductor when current flow is interrupted |
02/19/2004 | WO2004015836A1 Power saving equipment |
02/19/2004 | WO2004015814A2 Method and device for bonding ac utilities and hfc access networks for surge mitigation |
02/19/2004 | DE4439967B4 Schaltungsanordnung zum Schutz vor energiereichen Überspannungen Circuitry to protect against high-energy surges |
02/19/2004 | DE19903837B4 Selbsterholende Strombegrenzungseinrichtung mit Flüssigmetall Self-recovering current-limiting device with liquid metal |
02/18/2004 | CN2604019Y Transient state attack voltage suppressor |
02/17/2004 | US6693782 Surge suppression for current limiting circuits |
02/17/2004 | US6693777 Method for controlling the operation of a switching device |
02/12/2004 | US20040027754 Method and device for bonding AC utilities and HFC access networks for surge mitigation |
02/12/2004 | US20040027752 Method and apparatus for controlling a startup signal during a brownout |
02/12/2004 | US20040027745 Drain-extended MOS ESD protection structure |
02/12/2004 | US20040027736 Electrical device comprising two supports and a connection terminal connected to a series capacitor and to a voltage limiter |
02/12/2004 | DE10232941A1 Motor vehicle sensor protection circuit for protection of sensors with a lower voltage supply than that of the vehicle power supply, comprises a current measurement unit linked to a current limiter or switch |
02/12/2004 | DE10158244B4 Aktive Schutzvorrichtung für Niedrigspannungsschaltungen in Niedrigspannungseinrichtungen Active protection device for low voltage circuits in low voltage devices |
02/11/2004 | EP1388192A1 Power limiting circuit |
02/11/2004 | CN1138330C Regulatable reactor system based on magnetic flux compensation |
02/10/2004 | US6690565 Method and apparatus for neutralizing stray current impulses |
02/10/2004 | US6690561 Effective gate-driven or gate-coupled ESD protection circuit |
02/10/2004 | US6690557 CMOS whole chip low capacitance ESD protection circuit |
02/10/2004 | US6690283 Protective device and communication device |
02/05/2004 | WO2004012317A2 Method and system for protecting a vehicle system from a load dump |
02/05/2004 | US20040022002 Method for protecting at least one consumer against overvoltage tages and device for carrying out the method |
02/05/2004 | DE4317191B4 Verfahren zur Erstellung einer Anordnung zum Schutz eines Gerätes vor Überspannungen Method of constructing a device for protecting a device against overvoltages |
02/05/2004 | DE10231915A1 Supraleiteranordnung für ein Wechselspannungsnetz Superconductor arrangement for an alternating-voltage network |
02/05/2004 | DE10211795B4 Einrichtung zur koordinierten Zündung von Blitzstrom- und Überspannungsableitern Means for coordinated firing of lightning and surge arresters |
02/04/2004 | CN2602534Y Inductive load protecter |
02/04/2004 | CN1472881A Overvoltage preventor for bicycle power generator |
02/04/2004 | CN1472860A Biax arc suppression coil |
02/04/2004 | CN1472859A Lightening arresting method and device for Ethernet port |
02/03/2004 | US6687100 Method of dissipating energy from a contactor coil |
01/29/2004 | US20040017230 Sub-micron high input voltage tolerant input output (I/O) circuit |
01/29/2004 | US20040017229 Sub-micron high input voltage tolerant input output (I/O) circuit |
01/29/2004 | DE19803543B4 Elektrische Einrichtung für die Energie- und Datenübertragung in explosionsgefärdeten Bereichen An electrical device for power and data transmission in areas explosionsgefärdeten |
01/29/2004 | DE10231198A1 Verfahren und Schaltungsanordnung zum Begrenzen einer Überspannung Method and circuit for limiting surge |
01/28/2004 | EP1384302A1 Offset pathway arrangements for energy conditioning |
01/28/2004 | CN1136638C Total-state compensating arc-extinguishing coil automatic tuning device |
01/27/2004 | US6683770 Tri-mode over-voltage protection and disconnect circuit apparatus and method |