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.

This disclosure is a connection mechanism of transmission lines, which comprises two transmission lines, a circuit board, a chip, a metal shell and an insulation shell. The outer sheath at one end of the two transmission lines is removed, and then conducting wires and conductive layers will be exposed. The conducting wires of the two signal transmission lines are connected to each other through the circuit board and the chip, and the metal shell covers the circuit board and the chip. Further, the metal shell is connected to the exposed conductive layer of the two transmission lines, and the insulation shell covers the metal shell and part of the two transmission lines. The connection mechanism is formed between the two transmission lines to extend the length of the transmission line, which improves the connection strength and compensates the attenuation of the transmission signal.

A shielded electrical cable includes conductor sets extending along a length of the cable and spaced apart from each other along a width of the cable. First and second shielding films are disposed on opposite sides of the cable and include cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the films in combination substantially surround each conductor set. An adhesive layer bonds the shielding films together in the pinched portions of the cable. A transverse bending of the cable at a cable location of no more than 180 degrees over an inner radius of at most 2 mm causes a cable impedance of the selected insulated conductor proximate the cable location to vary by no more than 2 percent from an initial cable impedance measured at the cable location in an unbent configuration.

A flexible flat cable according to various embodiments of the disclosure may include a first insulation layer having a plate shape, a first conductive pattern disposed on the first insulation layer, a second conductive pattern disposed on the first insulation layer to be spaced apart from the first conductive pattern at a predetermined interval, a second insulation layer covering at least a portion of the first conductive pattern and disposed on the first insulation layer to cover the first conductive pattern, a first shield member including a first shield layer disposed on the first insulation layer and the second insulation layer to cover the first conductive pattern and the second conductive pattern, and a second shield layer disposed on the first shield layer to cover the first shield layer, and a third insulation layer surrounding the first shield layer such that at least a portion of the first shield layer of the first shield member, which is exposed between the first insulation layer and the second shield layer of the first shield member is covered.

A differential mode instrumentation cable for improving the signal integrity of audio signals in different environments including use of a sonar hydrophone being towed to the water behind a ship and the sonar hydrophone signal receiver aboard ship to improve the hydrophone signal receiver signal output clarity, reducing strumming cable noises, comprising a first triaxial cable and a second triaxial cable, placed side-by-side, and surrounded by waterproof cable material fr to prevent any water from reaching the first and second triaxial cable from end to end from the hydrophone to the signal receiver aboard ship 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.

This disclosure is a transmission line, which comprises an inner conducting core, an insulation layer, a conductive layer and an outer sheath. The insulation layer covers the inner conducting core, the conductive layer covers the insulation layer, and the outer sheath covers the conductive layer. The outer sheath at one end or both ends of the transmission line includes a thinned part, wherein the cross-sectional area of the thinned part is smaller than that of the outer sheath. The conductive layer is folded to the thinned part of the outer sheath, and forms a folded part on the thinned part to reduce the cross-sectional area of one end or both ends of the transmission line. A connector is connected to the transmission line without reducing the wire diameter of the inner conducting core, so as to increase the signal transmission distance of the transmission line.

This invention is a coaxial cable and a signal transmission assembly thereof. The coaxial cable includes a conductive cored wire, an insulating tape and a metal foil Mylar film a conductive layer and an outer jacket. The conductive cored wire includes an outer peripheral surface. The insulating tape is wrapped onto the outer peripheral surface of the conductive cored wire in a spiral winding manner or a longitudinal wrapping manner. The metal foil Mylar film is wrapped onto the insulating tape in a spiral winding manner, a longitudinal wrapping manner, and the conductive layer is wrapped onto the metal foil Mylar film. The jacket is wrapped onto the conductive layer. A distance between the conductive core wire and the metal foil Mylar film can be adjust by control the number of wrapping turns of the insulating tape to improve the yield rate of the coaxial cable manufacturing.

This invention is a coaxial cable and a signal transmission assembly thereof. The coaxial cable includes a conductive cored wire, an insulating tape and a metal foil Mylar film a conductive layer and an outer jacket. The conductive cored wire includes an outer peripheral surface. The insulating tape is wrapped onto the outer peripheral surface of the conductive cored wire in a spiral winding manner or a longitudinal wrapping manner. The metal foil Mylar film is wrapped onto the insulating tape in a spiral winding manner, a longitudinal wrapping manner, and the conductive layer is wrapped onto the metal foil Mylar film. The jacket is wrapped onto the conductive layer. A distance between the conductive core wire and the metal foil Mylar film can be adjust by control the number of wrapping turns of the insulating tape to improve the yield rate of the coaxial cable manufacturing.

Data transmission cable (300) comprising: a first balanced untwisted cable pair (100) including a first insulated conductor (1) comprising a first conductor (5) surrounded by a first insulation layer (6), and a second insulated conductor (4) comprising a second conductor (14) surrounded by a second in insulation layer (15); at least one second balanced untwisted cable pair (200) including a third insulated conductor (3) comprising a third conductor (9) surrounded by a third insulation layer (10), and a fourth insulated conductor (2) comprising a fourth conductor (7) surrounded by a fourth insulation layer (8); wherein: the cable further comprises a metallic screen (11) separating and at least partially surrounding each of said first, second, third and fourth insulated conductor (1, 4, 3, 2); and the first balanced untwisted cable pair (100) is configured to be unbalanced with respect to the second balanced untwisted cable pair (200).

Data transmission cable (300) comprising: a first balanced untwisted cable pair (100) including a first insulated conductor (1) comprising a first conductor (5) surrounded by a first insulation layer (6), and a second insulated conductor (4) comprising a second conductor (14) surrounded by a second in insulation layer (15); at least one second balanced untwisted cable pair (200) including a third insulated conductor (3) comprising a third conductor (9) surrounded by a third insulation layer (10), and a fourth insulated conductor (2) comprising a fourth conductor (7) surrounded by a fourth insulation layer (8); wherein: the cable further comprises a metallic screen (11) separating and at least partially surrounding each of said first, second, third and fourth insulated conductor (1, 4, 3, 2); and the first balanced untwisted cable pair (100) is configured to be unbalanced with respect to the second balanced untwisted cable pair (200).