Inspection device, blister packaging machine, and blister sheet manufacturing method
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United States of America Patent
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Nov 7, 2023
Grant Date -
Jul 1, 2021
app pub date -
Mar 15, 2021
filing date -
Oct 10, 2018
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Abstract
An inspection device includes: an illumination device that irradiates an object with near-infrared light; a spectroscope that disperses reflected light from the object irradiated with the near-infrared light; an imaging device that takes a spectroscopic image of the reflected light dispersed by the spectroscope; and a processor. The processor obtains spectral data at a plurality of points on the object based on the spectroscopic image obtained by the imaging device, selects, from among the spectral data at the plurality of points, a group having a highest density of luminance values of a predetermined wavelength component as a dense spectral data group, and performs a predetermined analysis for the object based on the dense spectral data group and detects a different type of object.
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