Optical information reading device
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United States of America Patent
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Apr 25, 2017
Grant Date -
Oct 15, 2015
app pub date -
Jun 26, 2015
filing date -
Dec 27, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In an optical information reading device configured to read a code symbol on a subject to be read by acquiring an image of the subject to be read with an image pickup portion and analyzing the image, a laser light source and an irradiation optical system is provided as an irradiator configured to irradiate the subject to be read to form a guide mark indicating an image pickup resolution of the image pickup portion. It is preferable that the irradiator is configured to emit a plurality of radially diffused light beams so as to form the guide mark at equal intervals on the subject to be read.
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