High-contrast fiber optic diffusion faceplate with radiused fibe

Details High-contrast fiber optic diffusion faceplate with radiused fibe High-contrast fiber optic diffusion faceplate with radiused fibe

1988-09-01

1990-02-27

Gonzalez, Frank

350 9625, G02B 608

Patent

active

049040499

ABSTRACT:
A radiused fiber optic faceplate is disclosed, particularly suited for use in optical apparatus comprising a high gain diffusion screen or a direct view CRT. The respective optical axis of the fibers are each substantially oriented so that the refracted information-bearing light passed through each fiber is directed to the exit pupil and ambient light from outside the exit pupil is absorbed in the faceplate. The faceplate therefore substantially increases the contrast enhancement.

REFERENCES:
patent: 3797910 (1974-03-01), Westwig
patent: 4573082 (1986-02-01), Jeskey
patent: 4586781 (1986-05-01), Gunther et al.
patent: 4743091 (1988-05-01), Gelbart

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