IMAGE SENSOR UNIT, IMAGE READING DEVICE, AND IMAGE FORMING DEVICE
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United States of America Patent
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Issued Date -
Jun 6, 2019
app pub date -
Nov 26, 2018
filing date -
Dec 5, 2017
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Abstract
An image sensor unit includes: a light source that illuminates a document; a rod-shaped light guide including a reflection surface that reflects light from the light source and an emission surface provided on a side opposite to the reflection surface that emits light reflected by the reflection surface to the document; a thermal conductor provided so as to cover the reflection surface of the light guide; an image forming element that forms an image of reflected light from the document on a photoelectric conversion element; a sensor substrate on which the photoelectric conversion element is mounted; and a frame including a locator for mounting the light guide.
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