DE602005019501D1 - Bildabtastvorrichtung mit Schwarz- und Weissreferenz und Bildabtastverfahren - Google Patents

Bildabtastvorrichtung mit Schwarz- und Weissreferenz und Bildabtastverfahren

Info

Publication number
DE602005019501D1
DE602005019501D1 DE602005019501T DE602005019501T DE602005019501D1 DE 602005019501 D1 DE602005019501 D1 DE 602005019501D1 DE 602005019501 T DE602005019501 T DE 602005019501T DE 602005019501 T DE602005019501 T DE 602005019501T DE 602005019501 D1 DE602005019501 D1 DE 602005019501D1
Authority
DE
Germany
Prior art keywords
image
black
scanning method
white reference
scanner
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.)
Active
Application number
DE602005019501T
Other languages
English (en)
Inventor
Takahiro Ikeno
Yoichi Susaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brother Industries Ltd
Original Assignee
Brother Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Brother Industries Ltd filed Critical Brother Industries Ltd
Publication of DE602005019501D1 publication Critical patent/DE602005019501D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04N1/00976—Arrangements for regulating environment, e.g. removing static electricity
    • H04N1/00997—Light control, e.g. shielding from ambient light or preventing light leakage
    • 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
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • H04N1/00599—Using specific components
    • H04N1/00615—Guiding elements, e.g. plates
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
    • H04N1/031—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
    • H04N1/0313—Direct contact pick-up heads, i.e. heads having no array of elements to project the scanned image elements onto the photodectors
    • 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
    • H04N1/10—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
    • H04N1/1061—Details relating to flat picture-bearing surfaces, e.g. transparent platen
    • 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
    • H04N1/12—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 the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • H04N1/121—Feeding arrangements
    • H04N1/123—Using a dedicated sheet guide element
    • 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
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture
    • 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
    • H04N1/0464—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa capable of performing non-simultaneous scanning at more than one scanning station
    • 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
    • H04N1/12—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 the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • 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
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0081—Image reader
    • 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
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0094—Multifunctional device, i.e. a device capable of all of reading, reproducing, copying, facsimile transception, file transception
    • 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
    • H04N2201/0422—Media holders, covers, supports, backgrounds; Arrangements to facilitate placing of the medium
    • 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
    • H04N2201/044—Moving a scanning element into cooperation with a calibration element, e.g. a grey-wedge mounted on the document support, or vice versa
DE602005019501T 2004-07-27 2005-07-26 Bildabtastvorrichtung mit Schwarz- und Weissreferenz und Bildabtastverfahren Active DE602005019501D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004219050 2004-07-27
JP2005158815A JP4457976B2 (ja) 2004-07-27 2005-05-31 画像読取装置及び画像読取方法

Publications (1)

Publication Number Publication Date
DE602005019501D1 true DE602005019501D1 (de) 2010-04-08

Family

ID=34941848

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005019501T Active DE602005019501D1 (de) 2004-07-27 2005-07-26 Bildabtastvorrichtung mit Schwarz- und Weissreferenz und Bildabtastverfahren

Country Status (4)

Country Link
US (7) US7639404B2 (de)
EP (1) EP1622354B1 (de)
JP (1) JP4457976B2 (de)
DE (1) DE602005019501D1 (de)

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JP4363360B2 (ja) * 2005-04-28 2009-11-11 ブラザー工業株式会社 画像読取装置
JP4270185B2 (ja) * 2005-09-15 2009-05-27 ブラザー工業株式会社 画像処理装置
JP4795063B2 (ja) * 2006-03-17 2011-10-19 株式会社リコー 画像読取装置、画像処理装置およびプログラム
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JP4886563B2 (ja) * 2007-03-19 2012-02-29 キヤノン株式会社 画像読取装置
KR101158006B1 (ko) * 2007-08-07 2012-06-25 삼성전자주식회사 스캐닝 장치 및 이를 위한 기준광량 결정방법
DE602008002867D1 (de) * 2007-08-09 2010-11-18 Oki Data Kk Bildlesevorrichtung, Bildgebungsvorrichtung, Bildgebungssystem mit Bildlesevorrichtung und Bildgebungsvorrichtung
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JP6023495B2 (ja) * 2012-07-27 2016-11-09 キヤノン株式会社 画像読取装置
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JP5883820B2 (ja) 2013-03-27 2016-03-15 京セラドキュメントソリューションズ株式会社 画像読取装置、画像形成装置および画像読取方法
JP5820841B2 (ja) * 2013-04-26 2015-11-24 京セラドキュメントソリューションズ株式会社 画像読取装置および画像形成装置
JP6044447B2 (ja) * 2013-05-09 2016-12-14 富士ゼロックス株式会社 原稿読取装置、画像形成装置
JP1497427S (de) * 2013-11-20 2017-05-01
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JP6903023B2 (ja) * 2018-03-12 2021-07-14 株式会社Pfu 画像読取装置、画像処理システム及び異物検出方法
JP7087620B2 (ja) * 2018-04-17 2022-06-21 セイコーエプソン株式会社 画像読取装置の出力画像生成方法および画像読取装置
JP2020057985A (ja) * 2018-10-04 2020-04-09 セイコーエプソン株式会社 画像読取装置およびシェーディング補正方法
JP7230542B2 (ja) * 2019-01-31 2023-03-01 ブラザー工業株式会社 読取装置
JP7218656B2 (ja) 2019-03-29 2023-02-07 ブラザー工業株式会社 読取装置
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Also Published As

Publication number Publication date
JP2006065289A (ja) 2006-03-09
US7639404B2 (en) 2009-12-29
US20060023267A1 (en) 2006-02-02
EP1622354A2 (de) 2006-02-01
US10218870B2 (en) 2019-02-26
US9769346B2 (en) 2017-09-19
US20170346983A1 (en) 2017-11-30
US20170019553A1 (en) 2017-01-19
US20100060954A1 (en) 2010-03-11
US9473664B2 (en) 2016-10-18
US8659802B2 (en) 2014-02-25
US20140118798A1 (en) 2014-05-01
EP1622354B1 (de) 2010-02-24
US20120281260A1 (en) 2012-11-08
JP4457976B2 (ja) 2010-04-28
US20150381844A1 (en) 2015-12-31
US9167119B2 (en) 2015-10-20
EP1622354A3 (de) 2006-04-12
US8253986B2 (en) 2012-08-28

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