Image input apparatus

Details Image input apparatus Image input apparatus

1997-07-14

1999-02-23

Font, Frank G.

Optics: measuring and testing

Document pattern analysis or verification

G06K 974

Patent

active

058750258

ABSTRACT:
The present invention relates to an image input apparatus comprising a fiber optic plate and a light source for illuminating an entrance surface of the fiber optic plate. In order to obtain a vivid image, the image input apparatus according to the present invention comprises a specific structure for holding the light source at a predetermined position such that a luminous flux from the light source is made incident on the entrance surface of the fiber optic plate from a direction deviating from an angle region by which stray light can be incident on the entrance surface.

REFERENCES:
patent: 3906520 (1975-09-01), Phillips
patent: 4785171 (1988-11-01), Dowling, Jr. et al.
patent: 4932776 (1990-06-01), Dowling, Jr. et al.
patent: 5426296 (1995-06-01), Shikai et al.

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