Image sensor apparatus with small convex portions

Details Image sensor apparatus with small convex portions Image sensor apparatus with small convex portions

1997-05-05

1999-07-20

Coles, Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358483, 358484, 358474, H04N 104

Patent

active

059262869

ABSTRACT:
In an image sensor apparatus, a light emitting section is composed of a plurality of light emitting elements provided in a longitudinal direction of said image sensor apparatus. An optical section has an uneven structure, and changes the direction of light such that the light emerges from the optical section in a substantially parallel manner and converges to a linear region along the longitudinal direction. Here, the uneven structure includes a plurality of convex or concave portions, and a length of each of the plurality of convex or concave portions of the uneven structure in the longitudinal direction is smaller than a separation between adjacent two of the plurality of light emitting elements. An image sensor section transmits the converged light to a manuscript and for sensing a light reflected from the manuscript.

REFERENCES:
patent: 4935665 (1990-06-01), Murata
patent: 5442482 (1995-08-01), Johnson
patent: 5521725 (1996-05-01), Beeson et al.
patent: 5617131 (1997-04-01), Murano et al.

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