Recording material detection apparatus and image forming apparatus

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United States of America Patent

PATENT NO 8918000
SERIAL NO

14097039

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Abstract

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A recording material detection apparatus having a detecting device configured to detect a surface state of a recording material on the basis of reflected light from a surface of the recording material includes a reference surface to be irradiated with light from a light source, the detecting device includes a light-shielding portion configured to control conditions for detecting information relating to the surface state of the recording material on the basis of the reflected surface from the reference surface, and cover a portion of the reference panel other than the reference surface so as to prevent the light from the light source from being reflected from the portion of the reference panel other than the reference surface and being received by the light-receiving unit.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ebihara, Shun-ichi Suntou-gun, JP 31 107
Ishida, Tsutomu Suntou-gun, JP 110 1421
Koyama, Shoichi Susono, JP 38 399
Matsui, Norio Mishima, JP 45 393

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