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Multi-pair communication cable using different twist lay lengths and pair proximity control

  • US 7,015,397 B2
  • Filed: 05/27/2003
  • Issued: 03/21/2006
  • Est. Priority Date: 02/05/2003
  • Status: Expired due to Fees
First Claim
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1. A multi-pair cable comprising:

  • four twisted pairs of insulated conductors including a first twisted pair, a second twisted pair, a third twisted pair and a fourth twisted pair, each having a unique twist lay length, thereby providing six twist deltas between the respective unique twist lay lengths of the four twisted pairs;

    wherein the first and second twisted pairs of insulated conductors are nested together and substantially physically separate the third and fourth twisted pairs; and

    wherein each of the six twist deltas is greater than 15%.

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