JP6555548B2 - 銘柄判断装置及び画像形成装置 - Google Patents

銘柄判断装置及び画像形成装置 Download PDF

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Publication number
JP6555548B2
JP6555548B2 JP2017148875A JP2017148875A JP6555548B2 JP 6555548 B2 JP6555548 B2 JP 6555548B2 JP 2017148875 A JP2017148875 A JP 2017148875A JP 2017148875 A JP2017148875 A JP 2017148875A JP 6555548 B2 JP6555548 B2 JP 6555548B2
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light
polarization direction
photodetector
brand
linearly polarized
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Japanese (ja)
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JP2017203780A (ja
JP2017203780A5 (https=
Inventor
義浩 大場
義浩 大場
菅原　悟
悟 菅原
石井　稔浩
稔浩 石井
文和 星
文和 星
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Ricoh Co Ltd
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Ricoh Co Ltd
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JP2017148875A 2017-08-01 2017-08-01 銘柄判断装置及び画像形成装置 Expired - Fee Related JP6555548B2 (ja)

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JP2017148875A JP6555548B2 (ja) 2017-08-01 2017-08-01 銘柄判断装置及び画像形成装置

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JP2017148875A JP6555548B2 (ja) 2017-08-01 2017-08-01 銘柄判断装置及び画像形成装置

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JP2013049810A Division JP2014174132A (ja) 2013-03-13 2013-03-13 光学センサ及び画像形成装置

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JP2017203780A JP2017203780A (ja) 2017-11-16
JP2017203780A5 JP2017203780A5 (https=) 2018-07-05
JP6555548B2 true JP6555548B2 (ja) 2019-08-07

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09222361A (ja) * 1995-12-12 1997-08-26 Omron Corp 物体の色等の検出装置及びそれを用いた検査装置
US6006668A (en) * 1998-04-20 1999-12-28 Hewlett-Packard Company Glossy or matte-finish media detector and method for use in a printing device
WO2008081374A2 (en) * 2006-12-28 2008-07-10 Koninklijke Philips Electronics N.V. Reflection or single scattering spectroscopy and imaging
US7780258B2 (en) * 2007-10-12 2010-08-24 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Media sensor with polarization filter
JP5850390B2 (ja) * 2010-11-26 2016-02-03 株式会社リコー 光学センサ及び画像形成装置

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