Composite cable

The composite cable design addresses disconnection and skew issues by using quad stranded wires in multiple layers with balanced arrangements, achieving a smaller diameter and improved mechanical and electrical performance.

JP2026091058APending Publication Date: 2026-06-03PROTERIAL LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
PROTERIAL LTD
Filing Date
2024-11-22
Publication Date
2026-06-03

AI Technical Summary

Technical Problem

Composite cables used in ultrasonic probes face issues with disconnection and displacement of differential signal lines due to mechanical stresses, leading to impedance deviation and attenuation deterioration, and bundling many twisted wires results in a large cable diameter and skew problems.

Method used

A composite cable design featuring a bundled core with twisted quad stranded wires for differential signal lines in multiple layers, combined with a sheath and shielding, which includes a balanced arrangement of wires to reduce outer diameter and skew.

Benefits of technology

The design achieves a smaller outer diameter and reduced skew while enhancing resistance to bending and maintaining transmission characteristics, improving mechanical strength and electrical conductivity.

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Abstract

To provide a composite cable with a small outer diameter and reduced skew. [Solution] The composite cable 1 comprises a bundled core 3 formed by twisting together multiple stranded wires 2 in multiple layers, and a sheath 6 that covers the bundled core 3. The bundled core 3 includes multiple types of stranded wires 2, and the stranded wires 2 include quad stranded wires 21 formed by twisting together two pairs of differential signal lines 210 that transmit differential signals, and multiple quad stranded wires 21 are included in one layer of the bundled core 3.
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