Telephone cable with improved shield combination

Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition

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Details

174105B, 174107, H01B 1106

Patent

active

041654420

ABSTRACT:
Communication cables with cores that have groups of conductor pairs, that carry messages in opposite directions, in the same cable present the problem of crosstalk between the different groups. With the increase in carrier frequency that is used for communication, the crosstalk problem increases, and cables that were acceptable for lower frequency are no longer adequate. This invention provides more efficient shielding; is suitable for higher frequencies; provides a stronger cable structure; and reduces corrosion of the shielding.

REFERENCES:
patent: 2585054 (1952-02-01), Stachura
patent: 3422214 (1969-01-01), Kelly
patent: 3622683 (1971-11-01), Roberts
patent: 3803340 (1974-04-01), Jachimowicz
patent: 3881052 (1975-04-01), Britz
patent: 4085284 (1978-04-01), Olszewski

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