Spectrometry device and image forming apparatus

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United States of America Patent

PATENT NO 9739662
APP PUB NO 20160282182A1
SERIAL NO

15079421

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Abstract

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A printer includes a spectroscope including a light source, an integrator optical system that irradiates a predetermined area of irradiation of a medium with illumination light from the light source, a spectroscopy device on which light from a measurement target is incident and in which a wavelength-selective interference filter is disposed, and a light receiver that receives light emitted from the spectroscopy device. The integrator optical system irradiates with the illumination light the area of irradiation that includes a reference area of measurement and is larger than the reference area of measurement by at least an allowable amount of change in the distance between the medium and the spectroscope or more, the reference area of measurement in which the distance between the medium and the spectroscope is equal to a reference distance.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kanai, Masashi Azumino, JP 62 438

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