OPTICAL DEVICE, IMAGE READING UNIT, AND IMAGE FORMING APPARATUS
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United States of America Patent
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Issued Date -
Aug 22, 2024
app pub date -
Aug 2, 2023
filing date -
Feb 17, 2023
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Abstract
An optical device includes: a restriction member that restricts part of reflected light from a target object, the restriction member being formed from resin, the restriction member having an opening and a hole, the opening extending in a first direction crossing a propagation direction of the reflected light and formed at an upstream end in the propagation direction, the hole extending through the restriction member in the propagation direction; an optical member that transmits the reflected light that has passed through the opening; and a correction member that holds the optical member, and that comes into contact with part of an inner circumferential surface of the hole to correct a width of the opening.
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