Image reading apparatus, default value adjusting method of...

Facsimile and static presentation processing – Facsimile – Picture signal generator

Reexamination Certificate

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Details

C358S474000, C358S486000, C358S487000, C358S406000

Reexamination Certificate

active

06961155

ABSTRACT:
A chart original in which two or more patterns are disposed so as to be separated at predetermined intervals and are symmetric with respect to a second imaginary line which is orthogonal to a first imaginary line. Each of the patterns is formed from a first line segment, which is orthogonal to the first imaginary line, and two second line segments, which are disposed at opposite positions with respect to the first line segment so as to intersect the first line segment. Each of the patterns intersect the first imaginary line at three points.

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patent: 05072492 (1993-03-01), None

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