JP4655114B2 - 画像読取装置および画像形成装置 - Google Patents
画像読取装置および画像形成装置 Download PDFInfo
- Publication number
- JP4655114B2 JP4655114B2 JP2008160472A JP2008160472A JP4655114B2 JP 4655114 B2 JP4655114 B2 JP 4655114B2 JP 2008160472 A JP2008160472 A JP 2008160472A JP 2008160472 A JP2008160472 A JP 2008160472A JP 4655114 B2 JP4655114 B2 JP 4655114B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- document
- amount
- reading
- reflected light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00684—Object of the detection
- H04N1/00724—Type of sheet, e.g. colour of paper or transparency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
- H04N1/1013—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components
- H04N1/1017—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components the main-scanning components remaining positionally invariant with respect to one another in the sub-scanning direction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
- H04N1/191—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
- H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
- H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
- H04N2201/0418—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207 capable of scanning transmissive and reflective originals at a single scanning station
Description
図1に、本発明の第1実施形態の画像形成装置1を示す。画像形成装置1は、画像読取装置部2と、本体部3とからなる。
2…画像読取装置部
4…自動原稿搬送部4
5…スキャナ部
6…スリットガラス
7…原稿台
10…受光センサ(光量検出器)
10a…反射光量検出器
10b…反射光量検出器
11…反射投光器
11a…投光器
11b…反射投光器
15…透過投光器
19…透過光量検出器
Claims (4)
- 原稿の読取面に光を照射して反射光の光量を読み取る反射光読取手段と、
前記原稿に光を照射して透過光の光量を読み取る透過光読取手段とを有し、
前記反射光読取手段が読み取った反射光の光量に基づいて算出した画素の濃度が所定の濃度以上である場合は、当該画素の濃度のデータを、前記透過光読取手段が読み取った透過光の光量に基づいて算出した濃度のデータで置き換えることを特徴とする画像読取装置。 - 前記反射光読取手段は、前記原稿の読取面に投光する反射投光器を有し、
前記透過光読取手段は、前記原稿の読み取り面の裏面に投光する透過投光器を有し、
前記反射光読取手段と前記透過光読取手段とは、前記原稿の反射光の光量および前記原稿の透過光の光量を検出する光量検出器を共有することを特徴とする請求項1に記載の画像読取装置。 - 前記反射光読取手段と前記透過光読取手段とは、前記原稿の読み取り面に投光する投光器を共有し、
前記反射光読取手段は、前記原稿の反射光の光量を検出する反射光量検出器とを有し、
前記透過光読取手段は、前記原稿の前記読取面と反対側に配設され、前記原稿の透過光の光量を検出する透過光量検出器を有することを特徴とする請求項1に記載の画像読取装置。 - 請求項1から3のいずれかに記載の画像読取装置を有することを特徴とする画像形成装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008160472A JP4655114B2 (ja) | 2008-06-19 | 2008-06-19 | 画像読取装置および画像形成装置 |
US12/488,109 US8422085B2 (en) | 2008-06-19 | 2009-06-19 | Image reader and image forming apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008160472A JP4655114B2 (ja) | 2008-06-19 | 2008-06-19 | 画像読取装置および画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010004249A JP2010004249A (ja) | 2010-01-07 |
JP4655114B2 true JP4655114B2 (ja) | 2011-03-23 |
Family
ID=41430962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008160472A Expired - Fee Related JP4655114B2 (ja) | 2008-06-19 | 2008-06-19 | 画像読取装置および画像形成装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8422085B2 (ja) |
JP (1) | JP4655114B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5126279B2 (ja) * | 2010-04-26 | 2013-01-23 | コニカミノルタビジネステクノロジーズ株式会社 | 画像読取装置 |
JP6060532B2 (ja) * | 2012-06-18 | 2017-01-18 | 株式会社リコー | 画像読取装置及び画像形成装置 |
JP5775864B2 (ja) * | 2012-12-12 | 2015-09-09 | 京セラドキュメントソリューションズ株式会社 | スキャナー装置及び画像形成装置 |
JP2020095116A (ja) * | 2018-12-11 | 2020-06-18 | コニカミノルタ株式会社 | 画像形成装置、画像形成システム、画像形成システムの制御方法及びプログラム |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01143557A (ja) * | 1987-11-30 | 1989-06-06 | Ricoh Co Ltd | 画像読取装置 |
JPH114326A (ja) * | 1997-06-11 | 1999-01-06 | Minolta Co Ltd | 撮像装置 |
JP2005311952A (ja) * | 2004-04-26 | 2005-11-04 | Sharp Corp | 画像読取装置 |
JP2007214944A (ja) * | 2006-02-10 | 2007-08-23 | Seiko Epson Corp | 画像形成装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6023532A (en) * | 1994-03-25 | 2000-02-08 | Seiko Epson Corporation | Image reading apparatus, method and system |
JPH09224127A (ja) * | 1996-02-15 | 1997-08-26 | Canon Inc | 原稿濃度検知装置 |
JPH10322555A (ja) | 1997-05-20 | 1998-12-04 | Ricoh Co Ltd | 画像形成装置 |
US6690837B1 (en) * | 1998-11-03 | 2004-02-10 | Agfa-Gevaert | Screening method for overlapping sub-images |
US6862117B1 (en) * | 1999-12-30 | 2005-03-01 | Eastman Kodak Company | Method and apparatus for reducing the effect of bleed-through on captured images |
JP2002192815A (ja) | 2000-12-27 | 2002-07-10 | Canon Inc | キャリブレーションデータ作成方法、キャリブレーション方法および情報処理装置 |
JP4465997B2 (ja) | 2003-07-11 | 2010-05-26 | 富士ゼロックス株式会社 | 画像読み取り装置、画像処理装置、および画像処理方法 |
JP2005070117A (ja) * | 2003-08-26 | 2005-03-17 | Sharp Corp | 画像形成装置、および、画像形成装置の色ずれ補正方法 |
JP4476711B2 (ja) * | 2004-06-21 | 2010-06-09 | 株式会社リコー | 異常判定装置及び画像形成装置 |
US7945096B2 (en) * | 2006-08-29 | 2011-05-17 | Canon Kabushiki Kaisha | Apparatus for discriminating the types of recording material and an apparatus for forming image |
JP5016939B2 (ja) * | 2007-02-07 | 2012-09-05 | キヤノン株式会社 | 画像形成装置 |
-
2008
- 2008-06-19 JP JP2008160472A patent/JP4655114B2/ja not_active Expired - Fee Related
-
2009
- 2009-06-19 US US12/488,109 patent/US8422085B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01143557A (ja) * | 1987-11-30 | 1989-06-06 | Ricoh Co Ltd | 画像読取装置 |
JPH114326A (ja) * | 1997-06-11 | 1999-01-06 | Minolta Co Ltd | 撮像装置 |
JP2005311952A (ja) * | 2004-04-26 | 2005-11-04 | Sharp Corp | 画像読取装置 |
JP2007214944A (ja) * | 2006-02-10 | 2007-08-23 | Seiko Epson Corp | 画像形成装置 |
Also Published As
Publication number | Publication date |
---|---|
US8422085B2 (en) | 2013-04-16 |
JP2010004249A (ja) | 2010-01-07 |
US20090316229A1 (en) | 2009-12-24 |
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