OPTICAL MEMBER AND IMAGE READING DEVICE
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United States of America Patent
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Issued Date -
Jul 25, 2024
app pub date -
Jun 8, 2022
filing date -
Jun 9, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
An optical member includes a lens array including lens bodies, and transmissive members. The transmissive members are made of a material having a uniform refractive index, and are disposed at positions nearer an object to be read or at positions farther from the object to be read than the corresponding lens bodies are disposed. The transmissive members have a columnar shape extending along the optical axes of the lens bodies, and allow light incident through one end faces to exit through the other end faces. The optical axes of the lens bodies are deviated from the central axes of the transmissive members corresponding to the respective lens bodies at least in the sub-scanning direction, and an end face of the transmissive member to which an end face of each lens body is opposed is thereby an end face of the corresponding transmissive member.
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