Communication wire
First Claim
Patent Images
1. A twisted wire pair comprising:
- a first wire and a second wire, the first and second wires being twisted about one another;
the first wire including a first conductor, the first wire also including a first polymeric insulator surrounding the first conductor, the first polymeric insulator defining a plurality of first insulator channels having lengths that run along the length of the first conductor, each of the plurality of first insulator channels having an open side that faces toward the first conductor, each of the plurality of first insulator channels including a first material therein that has a dielectric constant that is lower than the dielectric constant of the first polymeric insulator; and
the second wire including a second conductor, the second wire also including a second polymeric insulator surrounding the second conductor, the second polymeric insulator defining a plurality of second insulator channels having lengths that run along the length of the second conductor, each of the plurality of second insulator channels having an open side that faces toward the second conductor, each of the plurality of second insulator channels including a second material therein that has a dielectric constant that is lower than the dielectric constant of the second polymeric insulator.
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Accused Products
Abstract
The present invention relates to an improved isolated core or insulated conductor with a low dielectric constant and reduced materials costs. Apparatuses and methods of manufacturing the improved isolated core or insulated conductor are also disclosed.
75 Citations
44 Claims
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1. A twisted wire pair comprising:
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a first wire and a second wire, the first and second wires being twisted about one another; the first wire including a first conductor, the first wire also including a first polymeric insulator surrounding the first conductor, the first polymeric insulator defining a plurality of first insulator channels having lengths that run along the length of the first conductor, each of the plurality of first insulator channels having an open side that faces toward the first conductor, each of the plurality of first insulator channels including a first material therein that has a dielectric constant that is lower than the dielectric constant of the first polymeric insulator; and the second wire including a second conductor, the second wire also including a second polymeric insulator surrounding the second conductor, the second polymeric insulator defining a plurality of second insulator channels having lengths that run along the length of the second conductor, each of the plurality of second insulator channels having an open side that faces toward the second conductor, each of the plurality of second insulator channels including a second material therein that has a dielectric constant that is lower than the dielectric constant of the second polymeric insulator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A telecommunications cable comprising:
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a first wire and a second wire, the first and second wires being twisted about one another; and the first and second wires each including; a conductor extending along a longitudinal axis; and a polymeric insulation surrounding the conductor, the polymeric insulation defining a plurality of channels that extend generally along the longitudinal axis, the channels being circumferentially spaced relative to one another about the conductor, the channels having an open side that faces toward the conductor, the channels containing a channel material, wherein at least one of the polymeric insulation and the channel material includes foamed construction. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A telecommunications cable comprising:
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four or fewer twisted pairs of wires, the four or fewer twisted pairs of wires twisted around each other to define a core; and an outer jacket surrounding the core; wherein each of the four or fewer twisted pairs of wires includes a first wire and a second wire, the first and second wires each including; a conductor extending along a longitudinal axis; and a polymeric insulation surrounding the conductor, the polymeric insulation defining a plurality of channels that extend generally along the longitudinal axis, the channels being circumferentially spaced relative to one another about the conductor, the channels having an open side that faces toward the conductor, the channels containing a channel material, wherein at least one of the polymeric insulation and the channel material includes foamed construction. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31)
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32. A telecommunications cable comprising:
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four or fewer twisted pairs of wires, the four or fewer twisted pairs of wires twisted around each other to define a core; and an outer jacket surrounding the core; wherein each of the four or fewer twisted pairs of wires includes a first wire and a second wire, the first and second wires each including; a conductor; and a polymeric insulation surrounding the conductor, the polymeric insulation defining a plurality of insulator channels having lengths that run along a length of the conductor, each of the plurality of insulator channels having an open side that faces toward the conductor, each of the plurality of insulator channels including a first material therein that has a dielectric constant that is lower than the dielectric constant of the polymeric insulation. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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Specification