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

1993-05-21

1994-07-26

Gonzalez, Frank

Optical waveguides

Optical transmission cable

385102, 385104, 385106, 385901, 362 32, G02B 644

Patent

active

053332288

ABSTRACT:
A fiber optic cable (10) suitable for lateral illumination lighting installations has a tubular central core (12), wrapped perimetrically with angularly evenly distributed bundles (15) of optical fibers (16) and covered with a transparent sheath (17). The core includes an outer cylindrical surface (14) of reflective material (24) that deflects inwardly directed lateral emissions back outwardly, so they can contribute usefully to the visible light. 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 (10') includes an arcuate cutout (30) that mates with a complementary track (39, 40) of a mounting strip (35) . Strip (35) includes a reflective substance in an area (38) between upper and lower cables (10') to present a continuous, top to bottom lateral illumination effect. In another form of the modified embodiment, the fiber bundles are provided directly within upper and lower reflective channels (41) formed integrally within the mounting strip.

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patent: 5122933 (1992-06-01), Johnson
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