Contact image sensor and image scanning device
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United States of America Patent
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Feb 2, 2021
Grant Date -
May 16, 2019
app pub date -
Feb 10, 2017
filing date -
May 18, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
Some embodiments of the present disclosure provide a Contact Image Sensor (CIS), including a light source, a lens, a light-sensing portion receiving light converged by the lens, a sensor substrate carrying photosensitive Integrated Circuits (IC) arranged linearly, a frame accommodating the lens and the sensor substrate, and a light-transmitting plate provided on an upper part of the frame and configured to carry an original pattern. The CIS further includes a linear magnifying lens, provided between the light-transmitting plate and the lens, the linear magnifying lens having a characteristic of linearly magnifying an object in a single direction. The CIS involved in some embodiments of the present disclosure is capable of enhancing resolution in a single direction.
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