14results about "Quad constructions" patented technology

The present invention relates to an Ethernet cable for a vehicle, which enables large-capacity data communication and high-speed transmission, required in a network system for a vehicle, on the basis of low voltage differential signaling (LVDS), minimizes the overall outer diameter and weight, and has excellent durability against vibration and excellent electrical characteristics.

A cable includes at least two insulated core wires, an insulation structure, a first shielding layer, a second shielding layer, and a second insulation layer. Each insulated core wire includes a conductive wire core and a first insulation layer wrapped over the conductive wire core. The insulation structure is wrapped around an outside of the at least two insulated core wires and fixedly positions the at least two insulated core wires therein. The second insulation layer is circumferentially wrapped around an outside of both the first shielding layer and the second shielding layer. Each of the first shielding layer and the second shielding layer circumferentially surrounds a portion of an outer circumferential surface of the insulation structure and together form a combined shielding layer circumferentially wrapped over the entire outer circumferential surface of the insulation structure.

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).

A computing cable that connects computing elements, including: a trace including a first trace segment and a second trace segment, the trace having a first impedance; and an attenuator connecting the first trace segment to the second trace segment, the attenuator including: a resistor having a resistance, and a conductor having a second impedance, wherein the combination of the resistance and the second impedance is based on the first impedance.

The invention belongs to the field of digital communication, and particularly relates to a novel FRP rat-proof and bird-pecking-proof armored digital communication cable which comprises multiple strands of core bodies, insulating layers are fixedly connected to the outer sides of the multiple strands of core bodies in an extruded mode, and every two adjacent sets of insulating layers and the core bodies on the inner sides of the insulating layers are jointly twisted to form twisted pairs; the number of the twisted pair wires is four, and the four groups of twisted pair wires are twisted to form a cable core. According to the invention, the FRP armor layer is made of a glass fiber reinforced composite material and wraps the outer side of the inner sheath in a multi-strand spiral winding manner, the tensile strength of the FRP armor layer is far higher than the occlusal force of rat teeth and the pecking impact force of birds, rat gnawing and bird pecking can be physically prevented, the strength of the cable is increased, the weight is reduced, and the cable is suitable for popularization and application. And the outer sheath is made of a high-density polyethylene material added with a capsaicin derivative, so that the pungent smell and taste experience of the capsaicin derivative can actively repel mice and birds, damage behaviors are reduced from the source, and the operation and maintenance cost is reduced.

A cable includes at least two conductive wire cores spaced apart from each other and extending in a longitudinal direction of the cable, and an interior insulation structure circumferentially wrapped around and contacting each of the at least two conductive wire cores to fix the at least two conductive wire cores. The interior insulation structure is a foamed insulation structure in which the at least two conductive wire cores are fixedly maintained. The cable further includes an internal insulation layer wrapped over and contacting the interior insulation structure on an outer side of the interior insulation structure, a first conductive shielding layer wrapped over the internal insulation layer on an outer side of the internal insulation layer, and an external insulation layer wrapped over an outside of the first conductive shielding layer.

A welding-type system may include a welding-type power source, configured to provide power to one or more components of the welding-type system, and a welding-type wire feeder, configured to feed electrode wire during welding-type operations. A multi-conductor connector may be used in connecting the welding-type power source and the welding-type wire feeder. The multi-conductor connector includes a plurality of conductors. The welding-type power source may provide, via the plurality of conductors in the multi-conductor connector, power to the welding-type wire feeder, for powering and / or driving the welding-type wire feeder. The welding-type power source and the welding-type wire feeder may perform data communication via the plurality of conductors. The data communication may be performed during the providing of power. The data communication may be performed using at least one conductor that is also used in the providing of power from the welding-type power source to the welding-type wire feeder.

A welding-type system may include a welding-type power source, configured to provide power to one or more components of the welding-type system, and a welding-type wire feeder, configured to feed electrode wire during welding-type operations. A multi-conductor connector may be used in connecting the welding-type power source and the welding-type wire feeder. The multi-conductor connector includes a plurality of conductors. The welding-type power source may provide, via the plurality of conductors in the multi-conductor connector, power to the welding-type wire feeder, for powering and / or driving the welding-type wire feeder. The welding-type power source and the welding-type wire feeder may perform data communication via the plurality of conductors. The data communication may be performed during the providing of power. The data communication may be performed using at least one conductor that is also used in the providing of power from the welding-type power source to the welding-type wire feeder.

The present invention relates to an Ethernet cable for vehicles that is based on Low Voltage Differential Signal (LVDS) and enables large-capacity data communication and high-speed transmission required by vehicle network systems, minimizes the overall outer diameter and weight, and has excellent vibration resistance and electrical properties.

This invention discloses a low-loss twisted-pair digital communication cable suitable for high-frequency vibration scenarios, its manufacturing method, and its application, belonging to the field of cable technology. The cable includes a silver-plated copper conductor and, from the inside out, a main insulation layer, a wire pair, a shielding layer, and a sheath. The main insulation layer consists of a sub-insulation layer and multiple parallel strip-shaped hollow tubes. The contact area between the sub-insulation layer and the hollow tubes is coated with a hot-melt adhesive containing disulfide bonds. The wire pair is formed by twisting two single wires; one wire has helical serrated protrusions, and the other has a matching groove. The contact area is filled with the aforementioned hot-melt adhesive, and the remaining gaps are filled with rubber microspheres. The shielding layer includes double-sided composite aluminum foil, a braided shielding layer, and drainage lines. The sheath is a graphene-containing polyolefin nanocomposite material. This invention achieves low-loss and high-stability transmission in high-frequency vibration scenarios through structural and material optimization, making it suitable for industrial automation, data centers, and other fields.

Cable signal transmission system, including: a differential driver to generate a differential signal between a positive-phase signal and a negative-phase signal from a signal that is input into the differential driver; a splitter to divide the positive-phase signal into two or more split positive-phase signals, and to divide the negative-phase signal into two or more split negative-phase signals; and a multi-core cable, having four or more cores, which is connected to the splitter in order to transmit each of the signals separately after division by the splitter, wherein in the multi-core cable each of the following inner cables: two or more inner cables, via which the split positive-phase signals are transmitted, and two or more inner cables, via which the split negative-phase signals are transmitted, are arranged adjacent to one another.

The invention discloses a low-loss twisted-pair digital communication cable suitable for a high-frequency vibration scene and a preparation method and application of the low-loss twisted-pair digital communication cable, and belongs to the technical field of cables. The cable comprises a silver-plated copper wire conductor, and a main insulating layer, a wire pair, a shielding layer and a sheath which are sequentially arranged from inside to outside. The main insulating layer is composed of a branch insulating layer and a plurality of hollow pipes which are distributed in parallel in a strip shape, and the contact area of the branch insulating layer and the hollow pipes is coated with a hot melt adhesive containing disulfide bonds. Each wire pair is formed by twisting two single wires, one single wire is provided with a spiral sawtooth-shaped protrusion, the other single wire is provided with a matched groove, the hot melt adhesive is filled in an attaching area, and rubber microspheres are filled in other gaps. The shielding layer comprises a double-sided composite aluminum foil, a braided shielding layer and a drain wire, and the sheath is made of a polyolefin nanocomposite material containing graphene. Through structure and material optimization, low-loss and high-stability transmission in a high-frequency vibration scene is realized, and the device is suitable for the fields of industrial automation, data centers and the like.

A cable and a cable assembly are provided. The cable comprises: at least two conductive cores (110) spaced apart from each other and extending in a longitudinal direction of the cable; an internal insulation structure (120), the internal insulation structure (120) circumferentially wrapping and contacting each of the at least two conductive wire cores (110) so as to fix the at least two conductive wire cores (110); an inner insulating layer (130) covering and contacting the inner insulating structure on the outer side; a first conductive shielding layer (140) externally wrapped on the inner insulating layer; and an outer insulating layer (150) wrapped outside the first conductive shielding layer, the inner insulating structure being a foamed insulating structure in which the at least two conductive cores are fixedly held.

The invention provides a weather-proof easily-recognized novel rail traffic railway digital signal cable and a preparation method thereof, and aims to solve the problems that an existing railway signal cable is insufficient in environmental adaptability, identification is prone to losing efficacy, and the appearance is difficult to distinguish, the cable comprises a cable core and a protective layer, and the cable core comprises a four-wire set and a copper strip shielding layer; each insulating single wire is composed of an oxygen-free copper conductor and an insulating layer. The protective layer comprises a multi-layer structure including a wrapping tape layer, a heat insulation protective layer, an aluminum protective layer and the like, and the outer side of the outer sheath layer is provided with a marking strip; materials such as insulating materials of each layer and the outer sheath are innovated, the identification degree of the cable ground marking strip is high, the durability is high, a fault cable can be rapidly positioned, misoperation is prevented, and the signal transmission requirements of different scenes of rail transit are met. The method can be widely applied to places with high performance and safety requirements, such as high-speed railways, subways, urban rail transit and the like.