# US 10,373,741 B2 · Electrical cable > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,373,741 B2 - Document ID: US10373741B2 - Status: Granted - Kind: B2 - Application number: 15/591,579 - Filed: 2017-05-10 - Published: 2018-11-15 - Granted: 2019-08-06 - Earliest claimed: 2017-05-10 - Assignees: Creganna Unlimited Company - Applicants: Te Connectivity Corporation - Inventors: Malai Hongthong Khamphilavong; Yevgeniy Mayevskiy - Web page: https://patentgrep.com/patent/US10373741B2 ## CPC - H01B 11/1033: {composed of a wire-braided conductor} - H01B 11/1878: {Special measures in order to improve the flexibility} - H04N 7/10: Adaptations for transmission by electrical cable (H04N7/12 takes precedence) - H04N 23/57: Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices - H01B 7/189: {Radial force absorbing layers providing a cushioning effect (H01B7/185 takes precedence)} - H01B 11/002: {Pair constructions} - H01B 11/20: Cables having a multiplicity of coaxial lines - H04N 7/183: {for receiving images from a single remote source} - H04N 23/555: {for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes} - H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K}) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract An electrical cable includes a first conductor assembly having a first inner conductor and a first insulator engaging and surrounding a surface of the first inner conductor and a second conductor assembly having a second inner conductor and a second insulator engaging and surrounding a surface of the second inner conductor. The electrical cable includes a non-conductive buffer layer surrounding the conductor assemblies having an inner surface engaging the insulators and a conductive shield layer engaging and surrounding an outer surface of the non-conductive buffer layer and providing electrical shielding for the conductor assemblies. An outer jacket engages and surrounds the conductive shield layer. ## Claims ### Claim 1 An electrical cable comprising: a first conductor assembly that extends along a length of the electrical cable, the first conductor assembly comprising a first inner conductor and a first insulator engaging and surrounding a surface of the first inner conductor; a second conductor assembly adjacent the first conductor assembly along the length of the electrical cable, the second conductor assembly comprising a second inner conductor and a second insulator engaging and surrounding a surface of the second inner conductor; a non-conductive buffer layer surrounding the first and second conductor assemblies, the non-conductive buffer layer having an inner surface engaging the first and second insulators and an outer surface opposite the inner surface and comprising braided strands of non-conductive material; a third conductor assembly that extends along the length of the electrical cable, the third conductor assembly comprising a third inner conductor and a third insulator engaging and surrounding a surface of the third inner conductor; a fourth conductor assembly that extends along the length of the electrical cable, the fourth conductor assembly comprising a fourth inner conductor and a fourth insulator engaging and surrounding a surface of the fourth inner conductor; a second non-conductive buffer layer surrounding the third and fourth conductor assemblies, the second non-conductive buffer layer engaging the third and fourth insulators, wherein the shield layer engages and surrounds the second non-conductive buffer layer; a conductive shield layer engaging and surrounding the outer surface of the non-conductive buffer layer, the shield layer providing electrical shielding for the first and second conductor assemblies; and an outer jacket engaging and surrounding the conductive shield layer. ### Claim 2 An electrical cable comprising: a first conductor assembly that extends along a length of the electrical cable, the first conductor assembly comprising a first inner conductor and a first insulator engaging and surrounding a surface of the first inner conductor; a second conductor assembly adjacent the first conductor assembly along the length of the electrical cable, the second conductor assembly comprising a second inner conductor and a second insulator engaging and surrounding a surface of the second inner conductor; a non-conductive buffer layer surrounding the first and second conductor assemblies, the non-conductive buffer layer having an inner surface engaging the first and second insulators and an outer surface opposite the inner surface and comprising braided strands of non-conductive material; a third conductor assembly that extends along the length of the electrical cable, the third conductor assembly comprising a third inner conductor and a third insulator engaging and surrounding a surface of the third inner conductor; a fourth conductor assembly that extends along the length of the electrical cable, the fourth conductor assembly comprising a fourth inner conductor and a fourth insulator engaging and surrounding a surface of the fourth inner conductor; a second non-conductive buffer layer surrounding the third and fourth conductor assemblies, the second non-conductive buffer layer having an inner surface engaging the third and fourth insulators and an outer surface opposite the inner surface; a conductive shield layer engaging and surrounding the outer surface of the non-conductive buffer layer, the shield layer providing electrical shielding for the first and second conductor assemblies; a second conductive shield layer engaging and surrounding the outer surface of the second non-conductive buffer layer, the second shield layer providing electrical shielding for the third and fourth conductor assemblies; and an outer jacket engaging and surrounding the conductive shield layer and the second conductive shield layer. ### Claim 3 (depends on 1) The electrical cable of claim 1, wherein the conductive shield layer comprises braided strands of conductive material. ### Claim 4 (depends on 3) The electrical cable of claim 3, wherein the non-conductive buffer layer has M number of picks of braided strands of non-conductive material and the conductive shield layer has N number of picks of braided strands of conductive material different than the M number of picks of braided strands of non-conductive material. ### Claim 5 (depends on 1) The electrical cable of claim 1, wherein the first and second conductor assemblies are electrically connected to a camera at a first end of the electrical cable and the first and second conductor assemblies are electrically connected to a camera control unit at a second end of the electrical cable. ### Claim 6 (depends on 1) The electrical cable of claim 1, wherein the shield layer has a uniform radial thickness around the outer perimeters of the first and second insulators. ### Claim 7 (depends on 1) The electrical cable of claim 1, wherein the non-conductive buffer layer has a uniform thickness between the inner surface and the outer surface to locate the conductive shield layer at a uniform distance from the first and second conductor assemblies. ### Claim 8 (depends on 1) The electrical cable of claim 1, wherein the non-conductive buffer layer comprises braided strands of aromatic polymer material. ### Claim 9 (depends on 1) The electrical cable of claim 1, wherein the non-conductive buffer layer is porous to air. ### Claim 10 (depends on 1) The electrical cable of claim 1, wherein the non-conductive buffer layer has greater flexibility per thickness than the material of the first and second insulators. ### Claim 11 (depends on 1) The electrical cable of claim 1, wherein the non-conductive buffer layer has increased pull strength compared to the material of the first and second insulators. ### Claim 12 (depends on 2) The electrical cable of claim 2, wherein the non-conductive buffer layer is braided around the first and second conductor assemblies. ### Claim 13 (depends on 1) The electrical cable of claim 1, wherein the first and second conductor assemblies are twisted helically around each other along the length of the electrical cable. ### Claim 14 (depends on 1) The electrical cable of claim 1, wherein the inner surface engages the first insulator along a minority of a circumference of the first insulator and the inner surface engages the second insulator along a minority of a circumference of the second insulator. ### Claim 15 (depends on 1) The electrical cable of claim 1, wherein the first and second conductor assemblies define a first twisted pair, the third and fourth conductor assemblies define a second twisted pair, and the conductive shield layer provides electrical shielding for the third and fourth conductor assemblies.