Abstract: Anti-EMI material arrangement, comprising a plurality of electrically conducting elongated particles, which are irregularly distributed within a substrate, forming a web of electrically conducting paths, so that incoming electromagnetic waves are attenuated. Optionally, spherical particles are added. Furthermore, optionally, absorbing particles are added to dissipate energy of electromagnetic waves.

Abstract: A conductor includes a central element having a length, a plurality of insulated strands disposed about the central element in at least first and second concentric layers, a layer of a dielectric material having a velocity of propagation disposed around the plurality of insulated strands. Each of the plurality of insulated strands has a conductive element and a layer of insulative material disposed around the conductive element and a length approximately equal to an inverse of the velocity of propagation of associated dielectric materials multiplied by the product of the length of the central element and the number one hundred.

Abstract: A printed circuit board (PCB) includes first and second signal layers sandwiching a dielectric layer therebetween and a first differential pair and a second differential pair each having a positive differential trace and a negative differential trace. The positive differential traces of the two differential pairs are disposed within the first signal layer. The negative differential traces of the two differential pairs are disposed within the second signal layer. The positive differential trace of the first differential pair is defined at the left side of the positive differential trace of the second differential pair. The negative differential trace of the first differential pair is defined at the right side of the negative differential trace of the second differential pair.

Abstract: A wire sheath for preventing entanglement of a wire and having a cross section dimension wherein the wire relays an electric current between a first end and a second end. The first end includes an electrical coupler and the second end including an electrical receiver, wherein a wire sheath comprises a cylindrical interwoven sheath defining an interior surface and an exterior surface extending between the first end and the second end. The interior surface defines an interior bore extending between the first end and the second end, wherein the interior bore defines a cylindrical diameter that is greater than the cross section dimension of the wire for positioning the wire through the interior bore of the cylindrical interwoven sheath. First and second terminal rings engage a first end of the cylindrical interwoven sheath and a second of the cylindrical interwoven sheath for permitting displacement of the cylindrical interwoven sheath relative to the wire, respectively.

Abstract: A method for shielding the magnetic field generated by an electrical power transmission line and an electrical power transmission line so shielded. The electrical power transmission line has at least one electrical cable and at least one shielding element made of ferromagnetic material arranged in a radially outer position with respect to the at least one cable which shielding element has a base and a cover. The line also has a supporting element coupled to at least the base of the shielding element. In particular, the ferromagnetic material of the shielding element is selected from grain oriented silicon steel, preferably containing a silicon content between about 1% and about 5%, non-grain oriented silicon steel, Permalloyè and Supermalloyè.

Abstract: The present invention relates to a grounding device in which a grounding member E having a grounding conductor 2 and a conductive laminated portion 5 covering the grounding conductor 2 is integrated with a foundation member B of a building so that the grounding member E and the foundation member B overlap partly or entirely. The grounding device is configured so that the grounding member having the grounding conductor and the conductive laminated portion covering the grounding conductor is integrated with the foundation member of the building are so that the grounding member and the foundation member overlap partly or entirely. This makes it possible to easily offer a small grounding resistance. Further, the foundation member of the building contacts the earth over a large area. This enables a small grounding resistance to be stably offered for a long period.

Abstract: A coaxial cable comprises at least one internal conductor and a surrounding cable shield. A plurality of sheath wave barriers are arranged along the cable shield, each having two ends that are coupled to the cable shield at coupling points of the cable shield that are spaced from one another. The coaxial cable is exposed to a radio-frequency excitation field with an excitation frequency, due to which sheath waves can be excited on the cable shield. The excitation field is shielded from the at least one internal conductor via the cable shield. The sheath waves can be damped via the sheath wave barriers. A detection circuit is associated with at least one of the sheath wave barriers, from which detection circuit a measurement signal characteristic of a load of the respective sheath wave barrier due to the excitation field can be generated. The measurement signal can be tapped and evaluated.

Abstract: A tape can comprise a two-sided strip of dielectric material, with patches of electrical conductive material adhering to each side. Patches on one side can be longitudinally offset from patches on the opposite side. The patches can be electrically isolated from one another. The tape can be wrapped around one or more conductors, such as wires that transmit data, to provide electrical or electromagnetic shielding. The patches can circumferentially encase the conductors, with patches on one side of the tape covering gaps on the other side of the tape. The tape can be wrapped around the conductors so that an edge of a patch spirals about the conductors in a rotational direction opposite to any twisting of the conductors. The resulting cable can have a shield that is electrically discontinuous between opposite ends of the cable.

Abstract: A cable includes an inner conductor, an inner dielectric, and a guard conductor, where the inner dielectric is between the inner conductor and the guard conductor. The cable also includes an outer dielectric, and a shield conductor, where the outer dielectric is between the guard conductor and the shield conductor. The cable further includes an additional layer of material between the outer dielectric and the shield conductor of suitable composition for reducing triboelectric current generation between the outer dielectric and the shield conductor to less than that which would occur were the outer dielectric and the shield conductor to directly adjoin each other.

Abstract: An electrical-cable transition, where two or more bundles of shielded cables divide from a shielded main bundle, is shielded from electromagnetic interference by a flexible shielding-element of bare or covered metal mesh wrapped round the transition to overlap or be overlapped by shielding of the branch bundles and interconnect electrically with it under straps. The flexible element may be an end-pad of wrapped shielding of the main bundle that envelops the shielded branch bundles and is closed onto them. Alternatively, it may be a separate shielding element that is clamped by a clip or strap onto the shielding of the main bundle to sandwich folded-tags drawn out from the ends of the branch-bundle shields, onto a metal ring or collar through which the main-bundle cables pass before separating into the branch bundles. The separate element is closed tightly onto the individual branch bundles by draw-strings, ties or other fasteners.

Abstract: An extra-fine copper alloy wire has: a wire diameter of 0.010 to 0.025 mm; 1 to 3 weight % of silver (Ag), and a balance consisting copper (Co) and an inevitable impurity; a tensile strength of not less than 850 MPa; an electrical conductivity of not less than 85% IACS; an elongation of 0.5 to 3.0%; and a lowering rate in tensile strength of not more than 2%. The lowering rate is represented by [(1??h1/?h0)×100%] where ?h1 is a tensile strength of the wire measured after a heat treatment under conditions of a heating temperature of not more than 350° C. and a heating time of not more than 5 seconds, and ?h0 is a tensile strength of the wire measured before the heat treatment.

Abstract: There are provided cable architectures useful for constructing high-performance audio interconnection cables. Multiple, parallel runs of multiconductor, shielded, twisted pair cable are used to construct both balanced and unbalanced interconnect cables, speaker cables, and power cords. Conductors from each cable run are separated and connected to other conductors from other runs to form composite signal and ground conductors. Shields may be selectively connected to one another and to appropriate pins or terminals of a terminating connector. An overall mother shield may, optionally, be added. Individual runs of cable are braided together. Cables constructed in accordance with the geometries and techniques of the invention sound better than any known cables of the prior art. When measured, the inventive cables exhibit a ratio of capacitance to inductance that is lower that prior art cables. The characteristic impedance of the inventive cables is also lower than cables of the prior art.

Abstract: A cord switch 1 has wire electrodes 12A, 12B spirally arranged along an inner surface of a hollow part 10 of a hollowed insulator 11 in a longitudinal direction such that the wire electrodes do not electrically contact with each other, an outer electrode 13 provided around an outer periphery surface of the hollowed insulator 11 and jacketed with an insulating layer 14. An electrostatic capacitance is formed between the outer electrode 13 and a wire electrode for grounding, and a floating electrostatic capacitance is formed between the outer electrode 13 and the earth. The close approach of the human body to the cord switch 1 can be detected in a non-contact manner by measuring the alteration in the electrostatic capacitance.

Abstract: A jacket (3) for flexible heat-insulated conduits, in particular district heat transport lines, comprising a foamed or inflated polyethylene-based thermoplastic with a modulus of elasticity between 90 and 300 MPa and a density between 0.560 and 0.850 g/cm3.

Abstract: A conductor for an automobile is provided that exhibits the characteristics of slender structure, improved strength and reduced weight. The conductor is configured by compressing a plurality of surrounding wires that surround a central wire. Individual wires of differing materials are combined in various combinations to achieve the slender structure, improved strength and reduced weight. Materials from which individual wires are formed in one embodiment are one of stainless steel, copper or copper alloy. Materials from which individual wires are formed in another embodiment are one of stainless steel, aluminum or aluminum alloy.

Abstract: A printed circuit board (PCB) includes a differential pair having a first differential trace and a second differential trace, a first via having an upper cap and a lower cap, and a second via having an upper cap and a lower cap. The first differential trace includes a first segment and a second segment, the second differential trace includes a third segment and a fourth segment. The first and the third segments are electrically coupled to the upper caps of the first and the second vias respectively. The second and the fourth segments are electrically coupled to the lower caps of the first and the second vias respectively. The first and the third segments extend from corresponding upper caps in different directions, the second and the fourth segments extend from corresponding lower caps in different directions.

Abstract: In the preferred embodiment, there is disclosed a printed circuit board having a surface providing a mating interface to which is electrically connected an electrical connector having signal conductors and ground conductors. The printed circuit board includes a plurality of stacked dielectric layers, with a conductor disposed on at least one of the plurality of dielectric layers. The mating interface includes a plurality of conductive vias aligned in a plurality of rows, with the plurality of conductive vias extending through at least a portion of the plurality of dielectric layers, at least one of the plurality of conductive vias intersecting the conductor. The plurality of conductive vias includes signal conductor connecting conductive vias and ground conductor connecting conductive vias.

Abstract: An electrical cable includes a first electrical conductor longitudinally surrounded by a first insulator, and a second electrical conductor that is substantially parallel to the first electrical conductor. The second electrical conductor is substantially longitudinally surrounded by a second insulator, and the second insulator includes a recess to partially expose the second electrical conductor. A metal layer longitudinally surrounds the first and second insulators. In another embodiment, an electrical cable includes a first electrical conductor and a second electrical conductor parallel to the first electrical conductor. An insulator longitudinally individually surrounds each of the first and second electrical conductors, and the insulator includes a radial recess through which the first electrical conductor is accessible. A metal layer longitudinally encapsulates the insulator and fills the recess such that the metal layer contacts the first electrical conductor through the recess.

Abstract: A coated conductor has a conductor and a covering disposed over the conductor. The covering is made, at least in part, from a thermoplastic composition. The thermoplastic composition has a poly(arylene ether); a polyolefin, a block copolymer; and flame retardant.

Abstract: A conductor routing device is configured as a drag chain and has a supply line that is conducted in a flexible cable conduit. The routing device is configured as a one-piece component including several segments that run around the supply line and that are interconnected by reinforcement struts. The reinforcement struts are arranged in a line and form a reinforcement strip in such a way that a flexural direction is defined for the cable conduit. The routing device can be bent until the outer sides of two adjacent segments touch. The segments may be ring-shaped segments.

Abstract: A closure arrangement includes two opposite bodies and a slider. Each of the bodies has a cooperative structure such as teeth of a zipper for the slider coupling and uncoupling the cooperative structure. A conductive conduit is provided within the bodies respectively. Each of the bodies has an upper stop with a connector inside for the upper ends of conductive conduits being coupled to a pair of external conductive conduits. A common bottom stop is joined to the bottoms of the bodies with two connectors inside the common bottom stop for the lower ends of the conductive conduits being coupled to another pair of external conductive conduits.

Abstract: An electrical wiring system includes an electrical wire and an electrical safety device. The electrical wire includes at least one electrifiable conductor, first and second insulating layers formed on opposing sides of the at least one electrifiable conductor, first and second return conductors formed on the first and second insulating layers respectively, such that the at least one electrifiable conductor is at least substantially entrapped by the first and second return conductors, third and fourth insulating layers respectively formed on the first and second return conductors, and first and second grounding conductors respectively formed on the third and fourth insulating layers. The electrical safety device is coupled to the electrical wire and is operable to test the electrical wire for at least one of a short or a miswire. The electrical safety device tests the electrical wire prior to the electrification of the electrical wire or subsequent to the electrification of the electrical wire.

Abstract: A method of making a circuitized substrate in which at least one signal line used therein is shielded by a pair of opposingly positioned ground lines which in turn are electrically coupled to a ground plane located beneath the signal and ground lines and separated therefrom by a common interim dielectric layer. The substrate may form part of a larger structure such as a PCB, chip carrier or the like.

Abstract: A cable having an electrically conducting wire with a cross sectional shape defined by a simple closed curve having from three to eight concave portions separated by an equal number of convex portions. The simple closed curve has no point where the radius of curvature is less than one-sixth (?) of an overall radius of the wire and no point where adjacent curves or lines intersect at an angle. The alternating concave and convex portions of the cable's cross-sectional shape may have substantially the same curvature. The cross-sectional shape of the cable avoids sharp angles and fight curves.

Abstract: An electric connection element includes an electric conductor having a surface configured, at least in regions thereof, with a structuring and/or rough surface, and an electrically conductive coating.

Abstract: An assembly for shielding an implanted medical device from the effects of high-frequency radiation and for emitting magnetic resonance signals during magnetic resonance imaging. The assembly includes an implanted medical device and a magnetic shield comprised of nanomagnetic material disposed between the medical device and the high-frequency radiation. In one embodiment, the magnetic resonance signals are detected by a receiver, which is thus able to locate the implanted medical device within a biological organism.

Abstract: A cable for high speed data communications and method of manufacturing the cable, the cable including a first inner conductor enclosed by a first dielectric layer and a second inner conductor enclosed by a second dielectric layer, the inner conductors and the dielectric layers twisted in a rotational direction at a periodic rate along and about a longitudinal axis and conductive shield material wrapped in the rotational direction at the periodic rate along and about the longitudinal axis around the inner conductors and the dielectric layers, including overlapped wraps at the periodic rate along and about the longitudinal axis.

Abstract: An electrical-cable transition, where two or more bundles of shielded cables divide from a shielded main bundle, is shielded from electromagnetic interference by a flexible shielding-element of bare or covered metal mesh wrapped round the transition to overlap or be overlapped by shielding of the branch bundles and interconnect electrically with it under straps. The flexible element may be an end-part of wrapped shielding of the main bundle that envelops the shielded branch bundles and is closed onto them. Alternatively, it may be a separate shielding element that is clamped by a clip or strap onto the shielding of the main bundle to sandwich folded-tags drawn out from the ends of the branch-bundle shields, onto a metal ring or collar through which the main-bundle cables pass before separating into the branch bundles. The separate element is closed tightly onto the individual branch bundles by draw-strings, ties or other fasteners.

Abstract: A coaxial cable is disclosed and includes a dielectric surrounding a center conductor. The coaxial cable further includes a shield surrounding the dielectric. The coaxial cable further includes a jacket surrounding the shield, the jacket having an interior surface. A dry floodant compound is dispersed on the interior surface of the jacket.

Abstract: A high voltage ignition wire (10) has a ferrite core, a coiled wire (14) surrounding the core, and an insulating sheath surrounding the coiled wire. The coiled wire (14) is made from theoretically pure copper having a strand diameter of 0.081-0.099 inches. The coiled wire (14) is wound around the core between 140 and 160 turns per inch. The specific construction of this high voltage ignition wire (10) achieves an advantageous resistance of 13.5-16.5 ohms/ft.

Abstract: An electrical wire and a method of making an electrical wire are provided. The electrical wire has a conductor and a covering, wherein the covering has a thermoplastic composition having a poly(arylene ether), a polyolefin and a polymeric compatibilizer. The thermoplastic composition may further include a flame retardant.

Abstract: There are provided cable architectures useful for constructing high-performance audio interconnection cables. Multiple, parallel runs of multiconductor, shielded, twisted pair cable are used to construct both balanced and unbalanced interconnect cables, speaker cables, and power cords. Conductors from each cable run are separated and connected to other conductors from other runs to form composite signal and ground conductors. Shields may be selectively connected to one another and to appropriate pins or terminals of a terminating connector. An overall mother shield may, optionally, be added. Individual runs of cable are braided together. Cables constructed in accordance with the geometries and techniques of the invention sound better than any known cables of the prior art. When measured, the inventive cables exhibit a ratio of capacitance to inductance that is lower that prior art cables. The characteristic impedance of the inventive cables is also lower than cables of the prior art.

Abstract: An apparatus is provided comprising a chassis of a sheet of an electrically conductive material having a substantially non-conductive coating. An exposed portion of the chassis can be deformed to provide at least one protrusion such that the non-conductive coating on the at least one protrusion is thinner than a portion of the sheet spaced apart from the at least one protrusion to provide a conductivity path through the sheet.

Abstract: A low cost, high performance flexible reinforcement member that can be used for both optical and copper communications cable. The reinforcement members made according to the preferred process are more rigid than known reinforcement members, but are less rigid than glass pultruded rods. Communications cables utilizing these members are lightweight and exhibit an improved combination of strength and flexibility compared to traditional communications cables. Further, these communication cables may then be installed into underground ducts using more economical and faster installation techniques.

Abstract: A corrugated tube, an apparatus and method for perforating the corrugated tube. The corrugated tube includes a tubular body having large and small diameter portions and a longitudinal slit formed along a generating line of the tube body. The tube includes a communication hole formed generally in the large-diameter portions. A tube guide is provided in the apparatus for guiding the tubular body during the process of forming the perforations.

Abstract: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to hexafluoropropylene index (HFPI) of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer being polymerized and isolated in the absence of added alkali metal salts, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups/106 carbon atoms can be extruded at high speed onto conductor over a broad polymer melt temperature range to give insulated wire of high quality.

Abstract: High voltage coils (40) having an insulated coil surface that includes a composite tape (32) bonded to a secondary conductive layer (34) in a half lap manner. The composite layer comprising a glass conductive tape bonded to a layer of mica paper tape in an edge lap manner.

Abstract: A coaxial cable for outdoor use having at least one center conductor, at least one dielectric around the conductor with enhanced Structural Return Loss features, a woven braided shield wrapped around the dielectric with superior BNC connector pull testing features, a substantially water-proof insulating jacket wrapped around the shield, and dry floodant dispersed along the interior surface of the jacket. Additionally, an inline protector is connected to at least one end of the cable. In the case where the inline protector is female, the invention contemplates a male BNC connector crimped to the end of the cable for attachment to the protector. A kit includes a length of coaxial cable, an inline protector, and, in certain specific embodiments, a male connector to connect the cable to a female protector port.

Abstract: An electric wire with coating of polyvinyl chloride family resin composition is disclosed which has a coating layer containing a polyvinyl chloride family resin composition comprising polyvinyl chloride family resin and one or more compounds selected from calcium soap, zinc soap and hydrotalcite. The polyvinyl chloride composition does not comprise either or both of a lead compound and a ?-diketone compound having a melting point less than 100° C. A plasticizer can be further added to the composition so as to obtain a heat-stable vinyl chloride composition. A cable covered with the polyvinyl chloride family resin composition is also disclosed, including a cable having electric wires coated with the polyvinyl chloride family resin composition.

Abstract: A wire for integration with an airplane composite structure material includes a conductive core surrounded by an isolation layer for substantially isolating the conductive core from the composite structure material. The isolation layer includes braided fibers, and the braided fibers include a material having at least substantially similar properties as the composite structure material.

Abstract: A data communication cable can comprise multiple pairs of twisted conductors within an outer jacket. A shielding can be disposed between the conductors and the outer jacket. The shielding may be an asymmetrically clad alloy steel (ACAS) tape wherein the copper cladding of the shield is thicker on a first side and thinner on a second side. When the tape is positioned between the conductors and the jacket, the thicker copper layer can be positioned adjacent to the conductors. The thicker copper layer can reduce the capacitive coupling between the conductors and the steel layer of the shielding tape without the added expense of an inner jacket or increased insulation thickness between the conductors and the shielding tape. The tape may also reduce lightning noise and other electromagnetic interference. Additionally, copper layers of the tape can help prevent corrosion of the inner steel layer.

Abstract: An armoring sheet for being attached to a wire harness, includes a sheet body that is formed in a flat plate shape and has a first face and a second face which is opposed to the first face, and a first adhesive portion and a second adhesive portion that are provided on the first face of the sheet body. The first adhesive portion is disposed at one end portion of the first face. The second adhesive portion is disposed at other portion of the first face than the one end portion of the first face.

Abstract: A conductor cable includes an inner portion and a conductive coating. The inner portion is formed of a metal/ceramic composite. The conductive coating is coated on the inner portion.

Abstract: A wiring harness is disclosed. The wiring harness may have at least one conducting wire having a length direction, a first end, and an opposing second end. The wiring harness may also have a first electrical device connected to the first end of the at least one conducting wire, and a second electrical device connected to the second end of the at least one conducting wire. The wiring harness may further have a braided covering rigidly connected to the first and second electrical devices. The braided covering may be configured to house the at least one conducting wire and deform in the length direction less than the at least one conducting wire.

Abstract: A wire for integration with an airplane composite structure material includes a conductive core surrounded by an isolation layer for substantially isolating the conductive core from the composite structure material. The isolation layer includes braided fibers, and the braided fibers include a material having at least substantially similar properties as the composite structure material.

Abstract: An electrical wire includes at least one electrifiable conductor, and a return conductor formed around the at least one electrifiable conductor, such that the at least one electrifiable conductor is completely entrapped by the return conductor.

Abstract: An adaptor for controlling electrical stress in an electrical power cable includes a longitudinal insulative member and a semi-conductive member in contacting engagement with an end of the insulative member. A portion of the insulative member overlays a portion of the electrical insulation surrounding the electrical conductor, and a portion of the semi-conductive member overlays a portion of the semi-conductive shield.

Abstract: An electrical insulation tape that has a first and second carrier layer, and a dielectric thermally conductive, electrically insulative filler layer (24) that has mica particles/flakelets (6), filler particles (26) and a binder resin (28), disposed between the first and second carrier layers. The dielectric filler layer has mica flakelets (30), filler particles (32) and a binder resin. The ratio of mica flakelets to filler particles is at least 1:1 by volume, and the percentage of binder resin in the dielectric filler layer is 35-50% by volume. The first and second carrier layers are impregnated with a second resin.

Abstract: A cable may be provided having a noise-suppression ferrite loaded magnetic tape wrapped in a spiral. The cable may have a strengthening cord at its core. Signal wires such as data wires and power wires may surround the strengthening cord. The signal wires may have copper cores that are coated with polytetrafluoroethylene insulating coatings. A metallized polyester tape may be wrapped around the signal wires to reduce electromagnetic interference. A braided copper shield may be formed over the metallized polyester tape. The magnetic tape may be wrapped around the metal braid. One or both edges of the magnetic tape may have uncovered areas in which no magnetic material is present. The cable may have connectors its ends. The magnetic tape wrap may extend from one connector to the other.

Abstract: The system integrates a CCTV system including one or more video source units into the structured cabling system (“SCS”) of a building or the like by combining video signals, control signals and power for each video source unit over a single multipair cable made up of plural unshielded twisted pairs (“UTP”) of insulated copper conductors, so that one twisted pair of the cable carries the video signals, one pair carries the control signals and one or two pairs carry the power. The system includes combiners and distributors which can interface with the SCS cable through standard modular, multi-pin plug and jack connectors.