Contact-type image sensor

Details Contact-type image sensor Contact-type image sensor

1988-07-11

1990-07-17

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358484, H04N 140

Patent

active

049424815

ABSTRACT:
A contact-type image sensor comprising a light source that illuminates the manuscript to be read; photodetectors that convert the light reflected by the manuscript into an electrical signal; a substrate that is disposed between the photodetectors and the manuscript; an optical fiber array that is constituted by a bundle of optical fibers that are buried in the substrate, the optical fiber array introducing the reflected light from the manuscript into the light-receiving surfaces of the photodetectors; and a light-absorbing substance that is disposed on the outer surface of each of the optical fibers, wherein the light-absorbing substance is disposed on the outer surface of each of the optical fibers, except for the region with a given length from the end of the optical fiber array that faces the manuscript.

REFERENCES:
patent: 3183815 (1965-05-01), Kapany et al.
patent: 4408230 (1983-10-01), Tamura et al.
patent: 4559564 (1985-12-01), Itoh et al.
patent: 4598975 (1986-07-01), Bussard et al.
patent: 4652753 (1987-03-01), Harano et al.
patent: 4743089 (1988-05-01), Sakakibara et al.

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