Illuminator

Details Illuminator Illuminator

1976-02-09

1978-12-05

Hix, L. T.

Photocopying

Projection printing and copying cameras

Illumination systems or details

355 1, 355 70, 355 84, 362 32, 350 9610, G03B 2754

Patent

active

041283325

ABSTRACT:
An illuminator including an internally reflecting light conduit and a light source to illuminate at least one of its ends. The longitudinal surface of the light conduit has a coating arranged in desired geometry to allow the escape of light from the conduit in accordance with the geometry to illuminate an object as desired. The coatings disclosed are a diffuse material to scatter light internally of the conduit, and a transparent material of refractive index greater than that of the conduit.

REFERENCES:
patent: 2574292 (1951-11-01), Rush
patent: 3023304 (1962-02-01), Peterson
patent: 3125013 (1964-03-01), Herrick et al.
patent: 3131496 (1964-05-01), Schropp
patent: 3194142 (1965-07-01), Black
patent: 3356839 (1965-12-01), Mehess et al.
patent: 3497981 (1970-03-01), Tyne
patent: 3752974 (1973-08-01), Baker
patent: 3968584 (1976-07-01), Kingston

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