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