A multicore cable includes a twisted wire portion including a plurality of Twinax cables and a plurality of coaxial cables, and a shield layer disposed on an outer periphery of the twisted wire portion. The twisted wire portion includes a first twisted wire layer and a second twisted wire layer in a cross section perpendicular to a longitudinal direction of the multicore cable. The first twisted wire layer is closest to the shield layer, and the second twisted wire layer is located on a center side from the first twisted wire layer and is adjacent to the first twisted wire layer. A closest Twinax cable is disposed in the second twisted wire layer. The closest Twinax cable is closest to the shield layer among the plurality of Twinax cables included in the twisted wire portion.

A multicore cable includes a twisted wire portion including a plurality of Twinax cables and a plurality of coaxial cables, and a shield layer disposed on an outer periphery of the twisted wire portion. The twisted wire portion includes a first twisted wire layer and a second twisted wire layer in a cross section perpendicular to a longitudinal direction of the multicore cable. The first twisted wire layer is closest to the shield layer, and the second twisted wire layer is located on a center side from the first twisted wire layer and is adjacent to the first twisted wire layer. A closest Twinax cable is disposed in the second twisted wire layer. The closest Twinax cable is closest to the shield layer among the plurality of Twinax cables included in the twisted wire portion.

A cover for a cable harness including: (i) a first layer comprising a first color; (ii) a second layer layered adjacent to the first layer, the second layer comprising a second color that is different than the first color; and (iii) an adhesive layer adhered to the first layer, at least a portion of the adhesive is not covered by the second layer. The first color can black, while the second color is white. The second layer comprises fibers that can be substantially free of dye. At least one of the first layer and the second layer can be polyethylene terephthalate. The cover can cover a plurality of cables of a cable harness. If wear forms a hole through the first layer, the second color of the second layer is visible from an environment external to the covered cable harness through the hole through the first layer.

A cable includes a first metal conductor, a first insulator, a second metal conductor and a second insulator. The first insulator includes a first arc-shaped surface. The second insulator includes a second arc-shaped surface. A distance between a central axis of the first metal conductor and a central axis of the second metal conductor is S. The first insulator and/or the second insulator are formed with a deformation surface at a position where the first insulator and the second insulator are in contact with each other. An outer diameter of a circle where the first arc-shaped surface is located and/or an outer diameter of a circle where the second arc-shaped surface is located is D, where S/D≤0.99. The cable of the present disclosure can achieve low mode conversion and improve high frequency characteristics.

The subject matter of the present disclosure may be embodied in devices, such as flexible wiring, that include: an elongated flexible substrate; multiple electrically conductive traces arranged in an array on a first side of the elongated flexible substrate; and an electromagnetic shielding layer on a second side of the elongated flexible substrate, the second side being opposite the first side, in which the elongated flexible substrate includes a fold region between a first electronically conductive trace and a second electrically conductive trace such that the electromagnetic shielding layer provides electromagnetic shielding between the first electronically conductive trace and the second electrically conductive trace.

A shielded electrical ribbon cable includes adjacent first and second longitudinal conductor sets where each conductor set includes two or more insulated conductors. The first conductor set also includes a ground conductor that generally lies in the plane of the insulated conductors of the first conductor set. At least 90% of the periphery of each conductor set is encompassed by a shielding film. First and second non-conductive polymeric films are disposed on opposite sides of the cable and form cover portions substantially surrounding each conductor set, and pinched portions on each side of each conductor set. When the cable is laid flat, the distance between the center of the ground conductor of the first conductor set and the center of the nearest insulated conductor of the second conductor set is σ1, the center-to-center spacing of the insulated conductors of the second conductor set is σ2, and σ1/σ2 is greater than 0.7.

Electrical cables and optical waveguides are disclosed as including an electrically insulative foam. The electrically insulative foam can coat at least one electrical conductor of the electrical cable. The electrically insulative foam can coat the optical fiber of the waveguide. The electrically insulative foam can also define a waveguide.

A differential mode instrumentation cable for improving the signal integrity of audio signals in different environments including use of microphones, speaker cable, audiophile cables and analog audio balanced/differential tie lines comprising a first triaxial cable and a second triaxial cable placed side-by-side and mounted together, said first coaxial cable and said second coaxial cable including a wired connection that includes an active driven shield buffer circuit in each triaxial cable having an inner conductor for voltage in from the positive polarity and minus polarity and the voltage out driven guard shield with series breakout resistor connected to the each triaxial inner shield.

A wiring member includes: a first electric wire; a braided wire that surrounds the first electric wire; a second electric wire; a resin; a sheath; and a ground wire that is electrically continuous with the braided wire. The braided wire surrounds the first electric wire, the second electric wire, and the braided wire. The sheath has a first end exposing the first electric wire, the second electric wire, and the braided wire. The braided wire has a second end exposing the first electric wire away from the first end. The resin seals, in a liquid-tight manner, the sheath and a region covered by the sheath, and the braided wire and a region surrounded by the braided wire. The first electric wire, the second electric wire, and the ground wire are exposed from the resin.

Ribbon cables including a plurality of spaced apart substantially parallel conductors extending along a length of the cable and arranged along a width of the cable, and first and second insulative layers disposed on opposite sides of and substantially coextensive with the plurality of conductors along the length and width of the cable are described. Each insulative layer may be adhered to the conductors and may include alternating substantially parallel thicker and thinner portions extending along the length of the cable. The thicker portions of the first and second insulative layers are substantially aligned in one to one correspondence. Each corresponding thicker portion of the first and second insulative layers have at least one conductor in the plurality of conductors disposed therebetween. The thicker portions may have an effective dielectric constant less than 2.