OPTICAL FIBER AND POWER LINE COMPOSITE CABLE
First Claim
1. An optical fiber and power line composite cable installed between base station equipment and an antenna in a mobile telecommunication base station to transmit a mobile communication signal and power, the optical fiber and power line composite cable comprising:
- a cable core comprising;
at least one power line unit including a conductor and an insulator surrounding the conductor; and
at least one optical fiber unit including an optical fiber and a tube accommodating the optical fiber;
a protective metal layer surrounding the cable core, and having corrugations including corrugation peaks and corrugation valleys that are alternately formed; and
an outer coating layer surrounding the protective metal layer,wherein a relation shown by the following formula (1) is satisfied;
Di<
Dc≦
Dc
(1)assuming an external diameter of the cable core as Dc, an internal diameter of the corrugation peak as Do, and an internal diameter of the corrugation valley as Di.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention relates to an optical fiber and power line composite cable comprising a cable core comprising at least one power line unit including a conductor and an insulator surrounding the conductor and at least one optical fiber unit including an optical fiber and a tube accommodating the optical fiber, a protective metal layer surrounding the cable core, and having corrugations including corrugation peaks and corrugation valleys that are alternately formed and an outer coating layer surrounding the protective metal layer, wherein a relation shown by the following formula is satisfied Di<Dc≦Do assuming an external diameter of the cable core as Dc, an internal diameter of the corrugation peak as Do, and an internal diameter of the corrugation valley as Di.
-
Citations
24 Claims
-
1. An optical fiber and power line composite cable installed between base station equipment and an antenna in a mobile telecommunication base station to transmit a mobile communication signal and power, the optical fiber and power line composite cable comprising:
-
a cable core comprising; at least one power line unit including a conductor and an insulator surrounding the conductor; and at least one optical fiber unit including an optical fiber and a tube accommodating the optical fiber; a protective metal layer surrounding the cable core, and having corrugations including corrugation peaks and corrugation valleys that are alternately formed; and an outer coating layer surrounding the protective metal layer, wherein a relation shown by the following formula (1) is satisfied;
Di<
Dc≦
Dc
(1)assuming an external diameter of the cable core as Dc, an internal diameter of the corrugation peak as Do, and an internal diameter of the corrugation valley as Di. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. An optical fiber and power line composite cable installed between base station equipment and an antenna in a mobile telecommunication base station to transmit a mobile communication signal and power, the optical fiber and power line composite cable comprising:
-
a cable core comprising; a plurality of power line units each including a conductor and an insulator surrounding the conductor; and a plurality of optical fiber units each including an optical fiber and a tube accommodating the optical fiber, wherein the plurality of optical fiber units are disposed in the cable core, and the plurality of power line units are disposed along the outside of the plurality of optical fiber units; a protective metal layer surrounding the cable core, and having corrugations including corrugation peaks and corrugation valleys that are alternately formed; and an outer coating layer surrounding the protective metal layer, wherein a relation shown by the following formula (1) is satisfied;
Di<
Dc≦
Dc
(1)assuming an external diameter of the cable core as Dc, an internal diameter of the corrugation peak as Do, and an internal diameter of the corrugation valley as Di. - View Dependent Claims (9, 10, 11, 12, 13)
-
-
14. An optical fiber and power line composite cable installed between base station equipment and an antenna in a mobile telecommunication base station to transmit a mobile communication signal and power, the optical fiber and power line composite cable comprising:
-
a cable core comprising; a central string; a plurality of power line units each including a conductor and an insulator surrounding the conductor; and a plurality of optical fiber units each including an optical fiber and a tube accommodating the optical fiber, wherein the plurality of optical fiber units and the plurality of power line units are disposed along an outer circumference of the central string; a protective metal layer surrounding the cable core, and having corrugations including corrugation peaks and corrugation valleys that are alternately formed; and an outer coating layer surrounding the protective metal layer, wherein a relation shown by the following formula (1) is satisfied;
Di<
Dc≦
Dc
(1)assuming an external diameter of the cable core as Dc, an internal diameter of the corrugation peak as Dc, and an internal diameter of the corrugation valley as Di. - View Dependent Claims (15, 16, 17, 18)
-
-
19. An optical fiber and power line composite cable installed between base station equipment and an antenna in a mobile telecommunication base station to transmit a mobile communication signal and power, the optical fiber and power line composite cable comprising:
-
a cable core comprising; at least one power line unit including a conductor and an insulator surrounding the conductor; and at least one optical fiber unit including an optical fiber and a tube accommodating the optical fiber; a protective metal layer surrounding an outer circumference of the cable core, and having corrugations including corrugation peaks and corrugation valleys that are alternately formed; and an outer coating layer surrounding the protective metal layer, wherein a connection part including at least one stepped portion is formed at least one end portion of the optical fiber and power line composite cable and the outer coating layer and the protective metal layer are sequentially removed at the connection part. - View Dependent Claims (20, 21)
-
-
22. An optical fiber and power line composite cable installed between base station equipment and an antenna in a mobile telecommunication base station to transmit a mobile communication signal and power, the optical fiber and power line composite cable comprising:
-
a cable core comprising; at least one power line unit including a conductor and an insulator surrounding the conductor; and at least one optical fiber unit including an optical fiber and a tube accommodating the optical fiber; a protective metal layer surrounding the cable core, and having corrugations including corrugation peaks and corrugation valleys that are alternately formed; and an outer coating layer surrounding the protective metal layer wherein the at least one power line unit and the at least one optical fiber unit are exposed on at least one end portion of the optical fiber and power line composite cable, and a waterproof member is provided to guide the at least one power line unit and the at least one optical fiber unit to branch off from the at least one end portion of the optical fiber and power line composite cable, and to prevent foreign substances from penetrating into the optical fiber and power line composite cable. - View Dependent Claims (23, 24)
-
Specification