Image sensor unit with erecting equal-magnification lens array having a lens with optically discontinuous portion
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United States of America Patent
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Apr 2, 2024
Grant Date -
Feb 23, 2023
app pub date -
Nov 3, 2022
filing date -
Nov 3, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
There is provided a method of manufacturing an image sensor unit, the image sensor unit including: a linear light source that illuminates a document along a main scanning direction; a rod lens array that includes a plurality of rod lenses arranged in the main scanning direction and condenses a light reflected from the document; and a linear image sensor that receives a light condensed by the rod lens array. When a rod lens having an optically discontinuous portion on a surface and/or interior of the rod lens is included, the rod lens array is arranged such that the optically discontinuous portion is not located toward the document.
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