Lateral illumination fiber optic cable device and method of manu

Details Lateral illumination fiber optic cable device and method of manu Lateral illumination fiber optic cable device and method of manu

1994-12-22

1997-04-01

Bovernick, Rodney B.

Optical waveguides

Optical transmission cable

385901, G02B 644

Patent

active

056174977

ABSTRACT:
A fiber optic cable suitable for lateral illumination lighting installations has a central core, wrapped perimetrically with angularly distributed bundles of optical fibers and covered with a transparent sheath. In one form, the core includes an outer cylindrical surface of reflective material that deflects inwardly directed lateral emissions back outwardly so they can contribute usefully to the visible light. In another form, the core may be reflective or non-reflective and include material enabling the cable to be bent or formed into various shapes. In still another form, the cable includes in combination an outer channel of opaque material with cutout designs formed in the channel for lateral illumination to shine through. In manufacture, the bundles are wound about the core by a cabling machine which simultaneously extrudes the sheath about the winding. In a modified embodiment, a cable includes an arcuate cutout that mates with a complementary track of a mounting strip. In another form of the modified embodiment, the fiber bundles are provided directly within at least one reflective channel formed integrally within the mounting strip.

REFERENCES:
patent: 4907132 (1990-03-01), Parker
patent: 4961617 (1990-10-01), Shahidi et al.
patent: 4989933 (1991-02-01), Duguay et al.
patent: 5345531 (1994-09-01), Keplinger et al.
patent: 5400224 (1995-03-01), Dunah et al.
patent: 5416875 (1995-05-01), Keplinger et al.

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