Bi-directional cable assembly with bend-improved fiber tether

Details Bi-directional cable assembly with bend-improved fiber tether Bi-directional cable assembly with bend-improved fiber tether

2008-11-07

2010-02-23

Wong, Tina M (Department: 2874)

Optical waveguides

Optical transmission cable

C385S109000

Reexamination Certificate

active

07668425

ABSTRACT:
A bi-directional cable assembly for use with a fiber optic cable that includes at least one cable optical fiber that can carry bi-directional optical signals. The cable assembly is connected to the fiber optic cable at a mid-span location, where the cable fiber is preterminated to form upstream and downstream cable fiber sections. A tether having an upstream and/or a downstream tether fiber is spliced to corresponding preterminated upstream and/or downstream cable fibers at respective one or more splice locations. At least one of the tether fibers is a bend-resistant optical fiber that includes a bend angle equal to or about 180 degrees so that the tether extends in one direction from the mid-span access point along the fiber optic cable. A low-profile protective cover covers the mid-span access point and an end-portion of the tether. A protective tube may be used to house the bend-improved fiber and the splices that connect the cable fiber sections to the tether fibers.

REFERENCES:
patent: 2007/0009214 (2007-01-01), Elkins et al.
patent: 2008/0089652 (2008-04-01), Wells

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