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7612976 |
Transient voltage protection circuit boards and manufacturing methods
Circuit boards including embedded transient voltage protection.
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7606018 |
Surge absorbing circuit
A surge absorbing circuit has a substrate on which a first conductor, a second conductor, and a third conductor are placed, and a surge absorber having a first terminal and a second terminal. The...
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7593209 |
MOV failure mode identification
A surge protector includes a thermal fuse, a metal oxide varistor electrically connected in series relation to the thermal fuse, and a detection network electrically connected in parallel relation...
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7586729 |
Surge arrester having a discharge element
A surge arrester has a diverter element with a shielding element that increases the creepage path. The shielding element includes at least one shield. The shielding element is configured from an...
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7567417 |
Automatically quenching surge arrester arrangement and use of such a surge arrester arrangement
The invention relates to an automatically quenching surge arrester arrangement with a surge arrester, which, on exceeding a given first voltage, transforms from a non-conducting into a conducting...
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7567416 |
Transient voltage protection device, material, and manufacturing methods
A transient voltage suppression device includes a dielectric layer defining a receptacle for a variable impedance material proximate a gapped electrode. Methods for manufacturing the device and for...
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7558042 |
Devices and system for electrostatic discharge suppression
A electrostatic discharge suppression device including an electrostatic discharge reactance layer having a first side and a second side, a first electrode coupled to the first side and comprising a...
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7522399 |
Surge arrester
A surge arrester including a stack of a plurality of cylindrical varistor blocks that are arranged one after the other in the axial direction of the varistor blocks between an upper end electrode...
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7505241 |
Transient voltage surge suppression device
An integrated fuse device ( 1 ) includes a varistor stack ( 11 ), a thermal fuse ( 12 ), and a current fuse ( 13 ) within an enclosure ( 2 ) having device terminals ( 3 ). The varistor stack ( 11 )...
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7492566 |
Low resistance transient blocking unit
A transient blocking unit (TBU) having reduced series impedance is provided. A TBU includes two or more depletion mode transistors arranged to provide a low series impedance in normal operation and...
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7483252 |
Circuit protection device
A voltage suppression device for suppressing voltage surges in an electrical circuit, comprised of a voltage sensitive element having a predetermined voltage rating, the voltage sensitive element...
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7477503 |
Circuit protection device
A circuit protection device including a conductor arm releasably connected between a voltage sensitive device and a circuit to be protected. The connector arm is biased to move in a direction...
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7453681 |
Metal oxide varistor with a heat protection
A metal oxide varistor integrally formed with a heat protection structure that will automatically go to open circuit in conditions of overheating due to sustained over-voltages. The metal oxide...
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7433169 |
Overvoltage protection devices including wafer of varistor material
An overvoltage protection device includes first and second electrically conductive electrode members, a varistor member formed of a varistor material and electrically connected with each of the...
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7400485 |
Surge absorber
A surge absorber has a first terminal electrode, a second terminal electrode, a third terminal electrode, an inductor portion, a surge absorbing portion, and a resistor portion. The inductor...
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7397646 |
Surge absorption circuit
A surge absorption circuit according to an embodiment comprises (a) an input terminal, (b) an output terminal, (c) a common terminal, (d) a mutual inductive element having a first inductive element...
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7312971 |
Surge absorption circuit and laminated surge absorption device
A surge absorption circuit of one embodiment comprises an input terminal; an output terminal; a common terminal; a first surge absorption element and a second surge absorption element which are...
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7312970 |
Low cost surge protection
A motor drive for an electric machine includes a live line, a second line, and a ground line. A surge protector includes a first varistor and a gas discharge tube (GDT) that is non-conductive below...
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7283032 |
Static electricity countermeasure component
It is possible to realize an electrostatic discharge protection component having a very small electrostatic capacity suited to a high-frequency equipment and comprising a ceramic insulating...
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7272885 |
Method of manufacturing surge arrestor
The present invention relates to a method of manufacturing surge arrestors, the method including stacking varistors; and forming a coating of composite material on the stack. Between these steps,...
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7251114 |
Overvoltage protecting circuit in a steady state
The invention relates to an overvoltage protection circuit comprising an MOV (Metal Oxide Varistor) voltage limiting device ( 3 ) which is disposed in series with a GDT (Gas Discharge Tube) voltage...
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7154728 |
Active part for a surge arrester
The active part which is provided for use in a surge arrester includes two connecting fittings, which are arranged along an axis at a distance from one another, at least one cylindrical varistor...
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7154726 |
Pluggable electrical apparatus, in particular surge arrester
The pluggable electrical apparatus, formed in particular as a surge arrester (A), has an axially symmetrical housing ( 1 ) with a housing axis ( 7 ) running in the plugging direction, a flange ( 5...
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7120001 |
Surge voltage protector for use in power transmission networks
The invention relates to a surge voltage protector ( 1 ) which comprises a discharge current path with at least one varistor block ( 4 a, 4 b, 4 c ). In order to prevent the varistor blocks ( 4...
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7035072 |
Electrostatic discharge apparatus for network devices
The present invention provides an ESD apparatus that includes an electrical overstress suppression device in series with a capacitor. The ESD apparatus is ideally suited for use with network...
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7015786 |
Mechanical reinforcement to improve high current, short duration withstand of a monolithic disk or bonded disk stack
A mechanical reinforcement for an electrical apparatus has at least one electrical element with an outer surface and a reinforcing structure attached to the outer surface. The electrical element...
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7012500 |
GFCI with enhanced surge suppression
An MOV element is physically and electrically connected to a heat sensitive material which changes from a low impedance path to a high impedance path, such as a spark gap, when the temperature of...
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6952336 |
Protective element for the dissipation of overvoltages and its use
A protective element safely dissipates overvoltages which is comprised of a parallel connection of a varistor and an surge arrester. To reduce the capacity of the protective element, the varistor...
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6915173 |
Advance failure prediction
Failure prediction for complex processes is performed utilizing one or more nonlinear regression models to relate operational variable values measured at two or more times to predicted process...
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6853529 |
System for overvoltage protection
System for surge protection of an object comprising a supply unit, which is connected to the secondary output of an external transformer. The secondary windings ( 1 ) of the external transformer...
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6849335 |
Anisotropic conductive sheet
Disclosed herein is an anisotropically conductive sheet capable of holding charge in its surfaces under an unpressurised state, and moving the charge held in the surface in a thickness-wise...
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6847514 |
Surge arrester module with bonded component stack
A surge arrester includes a stack of components having at least one varistor. Each component has end faces, at least one of which is mechanically bonded to an end face of another component such...
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6822843 |
External storage device and entertainment system incorporating the same
An external storage device connected to electronic equipment through a cable includes a switch for selecting functions of the main unit of the external storage device. A user freely sets the...
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6778375 |
Hybrid MOV/gas-tube AC surge protector for building entrance
A surge protector for single-phase or multi-phase power lines is disclosed, for permanent connection near the entrance of power lines to a building, that has a basic protector sub-circuit of a...
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6778374 |
Reinforced arrester housing
An arrester includes a housing having an inner bore, and a substantially cylindrical varistor body is received in the inner bore of the housing. The varistor body is formed of at least one varistor...
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6754057 |
Capacitor damage arrestor
A method for mounting a component on an assembly is provided, such as to prevent shorting between a voltage plane and a ground plane that may be caused when the component fails and generates...
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6735068 |
Electrical apparatus employing one or more housing segments
An electrical apparatus includes at least one housing segment and at least one MOV disk. The housing segment includes a sheath and defines a bore having a first opening at one end of the housing...
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6731489 |
5-pin protector
A Category 5 (as well as newer revisions, such as Category 6 and Category E)/single-pair surge protector module for protecting telecommunications related equipment and the like from transient...
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6693508 |
Protection of electrical devices with voltage variable materials
An arrangement of voltage variable materials for the protection of electrical components from electrical overstress (EOS) transients. A device having a plurality of electrical leads, a ground plane...
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6674622 |
Dynamic floating SCR (semiconductor-controlled-rectifier) ESD protection
This invention provides a circuit and a method for protecting electronic circuits from electrostatic damage ESD. The invention teaches a dynamic floating silicon-controlled rectifier SCR for use as...
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6654223 |
Surge arrester mounting unit for telecommunications and data systems equipment
A surge arrester mounting unit is provided for telecommunications and data systems technology. The arrester includes an upper part and lower part made of plastic, and metallic contact elements...
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6639779 |
Frequency selective transient voltage protector
A frequency selective transient voltage protector (FSTVP) circuit that may be used in connection with a communication line over which POTS and DSL service may be simultaneously provided. The FSTVP...
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6636409 |
Surge protection device including a thermal fuse spring, a fuse trace and a voltage clamping device
A surge protection device includes terminals adapted to receive a power source voltage and surge protection circuits, each of which includes a thermal fuse spring, one or more metal oxide varistors...
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6636403 |
Thermally protected metal oxide varistor
A varistor has a thermal fuse between a lead and an electrode. The fuse includes a link extending between the surface of an insulator and the fused electrode. The electrical connection of the link...
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6633476 |
Watt-hour meter adapters with TVSS indicators
The present invention relates to an apparatus comprising a watt-hour meter adapter housing having a substantially cylindrical outline with a translucent window into its interior, and having visible...
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6631062 |
Electrically conductive ceramic material, a process of producing same, and an electrostatic chuck
An electrically conductive ceramics comprises a compound containing at least one element belonging to the Group 3A of the periodic table and TiO 2−x (0<x<2) in a range such that the TiO...
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6627100 |
Current/voltage non-linear resistor and sintered body therefor
A current/voltage non-linear resistor comprises a sintered body having a main component of ZnO, an electrode applied to a surface of the sintered body and an insulation material applied to another...
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6625001 |
Directional tap
In a directional tap, a splitting circuit receives a video signal from an input port and outputs a distributed video signal corresponding to the video signal from the input port at each of multiple...
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6618234 |
Lightning protection for irrigation controls
Damage to electronic golf course sprinkler valve controls from lightning current surges is prevented by electrically isolating the actual valve control circuit from the logic circuitry that...
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6614640 |
Surge arrester
The surge arrester has an arrester housing, two electrical power connections ( 16, 17 ) which are routed out of the arrester housing, and at least one varistor, which is arranged in the arrester...
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