Optical waveguides – Optical transmission cable
Reexamination Certificate
2006-05-23
2006-05-23
Pak, Sung (Department: 2874)
Optical waveguides
Optical transmission cable
C385S135000
Reexamination Certificate
active
07050683
ABSTRACT:
A method of installing fibre optic cables consists of cutting a shallow and narrow trench or channel within a road surface or building wall. A narrow fibre optic cable is laid within the channel, and subsequently covered with a patch material. A branching cable network is provided by cutting at periodic and selected locations, a slightly broader and deeper region of the channel, within which cable loops and/or junction boxes are installed. The nodes may consist of branching nodes, or alternatively non-branching nodes containing a cable loop and/or junction box, the installation of which at a location permits a junction node to be formed at a close by location. The invention also consists of a junction box for use with the system.
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Pak Sung
Stahl Mike
Storm LLP
Teraspan Networks Inc.
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