Image reading apparatus having a light shielding layer arranged

Details Image reading apparatus having a light shielding layer arranged Image reading apparatus having a light shielding layer arranged

1988-06-30

1990-03-13

Groody, James J.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358471, 358482, 358483, 35821311, 2502081, 357 30, H04N 1024

Patent

active

049087185

ABSTRACT:
A photosensor for an image reading apparatus includes a light-transmissive substrate, a light shielding layer arranged on a portion of the surface of the substrate, and a photosensor formed over the light shielding layer. Protective layers are arranged on the surface of the photosensor. Light shielding structure is provided on the sides of the substrate and/or the sides of the protective layers to prevent stray light from entering the side of the photosensor.

REFERENCES:
patent: 4189753 (1980-02-01), Parsons et al.
patent: 4305100 (1981-12-01), Hattori
patent: 4395629 (1983-07-01), Sasano et al.
patent: 4455577 (1984-06-01), Tokahara
patent: 4689652 (1987-08-01), Shimada et al.
patent: 4768096 (1988-08-01), Cannella et al.
patent: 4775895 (1988-10-01), Traupe et al.
patent: 4792859 (1988-12-01), Wicker et al.
patent: 4803375 (1989-02-01), Saito et al.
patent: 4839730 (1989-06-01), Shirakoshi et al.

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