JP6221738B2 - 記録媒体判別装置および記録媒体判別方法 - Google Patents
記録媒体判別装置および記録媒体判別方法 Download PDFInfo
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Description
Claims (8)
- 記録媒体に対して可視光を照射する光照射部と、
前記光照射部から照射された光が前記記録媒体で正反射した正反射光を受光する正反射光受光部と、
前記光照射部から照射された光が前記記録媒体で拡散反射した拡散反射光を受光する拡散反射光受光部と、
前記正反射光受光部が受光した光成分のうち互いに波長の異なる2以上の可視光成分それぞれの光量、および、前記拡散反射光受光部が受光した光成分のうち互いに波長の異なる2以上の可視光成分それぞれの光量に基づき、前記記録媒体の種類を判別する判別部とを備えることを特徴とする記録媒体判別装置。 - 前記光照射部は、紫外線を実質的に含まない光を前記記録媒体に照射する請求項1に記載の記録媒体判別装置。
- 前記判別部が前記判別に用いる前記拡散反射光の可視光成分のうち少なくとも1つは、青色または緑色に相当する波長成分である請求項1または2に記載の記録媒体判別装置。
- 前記判別部が前記判別に用いる前記正反射光の可視光成分のうち少なくとも1つは、青色に相当する波長成分である請求項1ないし3のいずれかに記載の記録媒体判別装置。
- 前記光照射部は互いに波長の異なる2以上の可視光成分を含む光を前記記録媒体に照射し、前記正反射光受光部および前記拡散反射光受光部は、入射光を分光して各光成分の光量を得る請求項1ないし4のいずれかに記載の記録媒体判別装置。
- 前記光照射部は、スペクトル分布が互いに異なる2種類以上の可視光を切り換えて前記記録媒体に照射する請求項1ないし4のいずれかに記載の記録媒体判別装置。
- 前記光照射部からの光が照射される基準反射部を備え、前記判別部は、前記正反射光受光部で受光される前記記録媒体からの正反射光の光量と前記基準反射部からの正反射光の光量との比、および、前記拡散反射光受光部で受光される前記記録媒体からの拡散反射光の光量と前記基準反射部からの拡散反射光の光量との比を求める請求項1ないし6のいずれかに記載の記録媒体判別装置。
- 記録媒体に対して可視光を照射し、
照射光が前記記録媒体で正反射した正反射光を受光する工程と、
照射光が前記記録媒体で拡散反射した拡散反射光を受光する工程と、
前記正反射光を受光する工程で受光した光成分のうち互いに波長の異なる2以上の可視光成分それぞれの光量、および、前記拡散反射光を受光する工程で受光した光成分のうち互いに波長の異なる2以上の可視光成分それぞれの光量に基づき、前記記録媒体の種類を判別する
ことを特徴とする記録媒体判別方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2013268710A JP6221738B2 (ja) | 2013-01-07 | 2013-12-26 | 記録媒体判別装置および記録媒体判別方法 |
US14/148,428 US9001333B2 (en) | 2013-01-07 | 2014-01-06 | Recording medium determining device and recording medium determination method |
EP14150282.3A EP2752652B1 (en) | 2013-01-07 | 2014-01-07 | Recording medium determining device and recording medium determination method |
CN201410006797.6A CN103913437A (zh) | 2013-01-07 | 2014-01-07 | 记录介质辨别装置以及记录介质辨别方法 |
US14/645,261 US9285313B2 (en) | 2013-01-07 | 2015-03-11 | Recording medium determining device and recording medium determination method |
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JP2013268710A JP6221738B2 (ja) | 2013-01-07 | 2013-12-26 | 記録媒体判別装置および記録媒体判別方法 |
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JP2014145760A JP2014145760A (ja) | 2014-08-14 |
JP6221738B2 true JP6221738B2 (ja) | 2017-11-01 |
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JP6287189B2 (ja) * | 2013-01-07 | 2018-03-07 | セイコーエプソン株式会社 | 記録媒体判別装置および記録媒体判別方法 |
JP6283995B2 (ja) * | 2013-12-03 | 2018-02-28 | 株式会社リコー | シート材情報を検出する装置及び画像形成システム |
US9890003B2 (en) * | 2014-09-30 | 2018-02-13 | Ricoh Company, Ltd. | Sheet discriminator and image forming apparatus incorporating the sheet discriminator |
GB2540739A (en) * | 2015-07-13 | 2017-02-01 | Innovia Films Ltd | Authentication apparatus and method |
JP6623685B2 (ja) * | 2015-10-29 | 2019-12-25 | セイコーエプソン株式会社 | 測定装置及び印刷装置 |
WO2017217261A1 (ja) * | 2016-06-15 | 2017-12-21 | シャープ株式会社 | 分光測定装置 |
JP7427905B2 (ja) * | 2019-10-09 | 2024-02-06 | コニカミノルタ株式会社 | 判別システム、および判別方法 |
PL3885740T3 (pl) * | 2020-03-27 | 2023-10-30 | Flooring Technologies Ltd. | Sposób jednoczesnego określania parametrów co najmniej jednej warstwy żywicy naniesionej na co najmniej jeden materiał nośny |
JP2023086464A (ja) | 2021-12-10 | 2023-06-22 | コニカミノルタ株式会社 | 用紙判別装置、画像形成装置、用紙の種類の判別方法、およびプログラム |
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US9285313B2 (en) | 2016-03-15 |
JP2014145760A (ja) | 2014-08-14 |
US20140192361A1 (en) | 2014-07-10 |
US20150185146A1 (en) | 2015-07-02 |
EP2752652A2 (en) | 2014-07-09 |
EP2752652B1 (en) | 2019-01-02 |
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US9001333B2 (en) | 2015-04-07 |
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