DE60236465D1 - Optisches Abbildungssystem zum Bildlesen, und Bildlesegerät welches dasselbe gebraucht - Google Patents

Optisches Abbildungssystem zum Bildlesen, und Bildlesegerät welches dasselbe gebraucht

Info

Publication number
DE60236465D1
DE60236465D1 DE60236465T DE60236465T DE60236465D1 DE 60236465 D1 DE60236465 D1 DE 60236465D1 DE 60236465 T DE60236465 T DE 60236465T DE 60236465 T DE60236465 T DE 60236465T DE 60236465 D1 DE60236465 D1 DE 60236465D1
Authority
DE
Germany
Prior art keywords
same
imaging system
optical imaging
image
image reading
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.)
Expired - Lifetime
Application number
DE60236465T
Other languages
English (en)
Inventor
Kazuo Fujibayashi
Nobuyuki Tochigi
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE60236465D1 publication Critical patent/DE60236465D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
    • G02B17/086—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/004—Systems comprising a plurality of reflections between two or more surfaces, e.g. cells, resonators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/023—Catoptric systems, e.g. image erecting and reversing system for extending or folding an optical path, e.g. delay lines
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
    • G02B17/0647—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using more than three curved mirrors
    • G02B17/0663—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using more than three curved mirrors off-axis or unobscured systems in which not all of the mirrors share a common axis of rotational symmetry, e.g. at least one of the mirrors is warped, tilted or decentered with respect to the other elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0836—Catadioptric systems using more than three curved mirrors
    • G02B17/0848—Catadioptric systems using more than three curved mirrors off-axis or unobscured systems in which not all of the mirrors share a common axis of rotational symmetry, e.g. at least one of the mirrors is warped, tilted or decentered with respect to the other elements
    • 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
    • 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
    • H04N1/0301—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array using a bent optical path between the scanned line and the photodetector array, e.g. a folded optical path
    • H04N1/0305—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array using a bent optical path between the scanned line and the photodetector array, e.g. a folded optical path with multiple folds of the optical path
    • 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
    • H04N1/0318—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light-source, a lens array and a photodetector array which are supported by a single-piece frame
    • 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
    • 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
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/02493—Additional optical elements not otherwise provided for, e.g. filters, polarising plates, masks or apertures
    • 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
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03112—Light source
    • 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
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03116—Light source lens
    • 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
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03129—Transparent cover or transparent document support mounted on the head
    • 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
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03137—Reflecting element downstream of the scanned picture elements
    • 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
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03145—Photodetector

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lenses (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
DE60236465T 2001-03-05 2002-03-04 Optisches Abbildungssystem zum Bildlesen, und Bildlesegerät welches dasselbe gebraucht Expired - Lifetime DE60236465D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001060353 2001-03-05
JP2002041632A JP3943952B2 (ja) 2001-03-05 2002-02-19 画像読取装置

Publications (1)

Publication Number Publication Date
DE60236465D1 true DE60236465D1 (de) 2010-07-01

Family

ID=26610630

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60236465T Expired - Lifetime DE60236465D1 (de) 2001-03-05 2002-03-04 Optisches Abbildungssystem zum Bildlesen, und Bildlesegerät welches dasselbe gebraucht

Country Status (7)

Country Link
US (1) US6894263B2 (de)
EP (2) EP1239655A3 (de)
JP (1) JP3943952B2 (de)
KR (1) KR100543988B1 (de)
CN (1) CN100403088C (de)
DE (1) DE60236465D1 (de)
ES (1) ES2341790T3 (de)

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US7414761B2 (en) * 2002-05-30 2008-08-19 Canon Kabushiki Kaisha Imaging optical system and image reading apparatus
JP2004126448A (ja) 2002-10-07 2004-04-22 Canon Inc 画像読取装置
JP2004138799A (ja) * 2002-10-17 2004-05-13 Canon Inc 結像光学系
JP2004354982A (ja) * 2003-05-07 2004-12-16 Canon Inc 画像読取装置
JP2010186197A (ja) * 2003-05-07 2010-08-26 Canon Inc 画像読取装置
JP4569086B2 (ja) * 2003-09-11 2010-10-27 コニカミノルタビジネステクノロジーズ株式会社 画像読取り光学装置及び該装置における反射面の調整方法
JP2005101739A (ja) 2003-09-22 2005-04-14 Canon Inc 画像読取装置の調整方法及び画像読取装置
JP4817773B2 (ja) * 2004-09-13 2011-11-16 キヤノン株式会社 結像光学系及びそれを用いた画像読取装置
US7684094B2 (en) 2004-09-13 2010-03-23 Canon Kabushiki Kaisha Image optical system and image reading apparatus equipped with same
JP2006215374A (ja) 2005-02-04 2006-08-17 Canon Inc 結像光学系及びそれを用いた画像読取装置
JP2006333078A (ja) * 2005-05-26 2006-12-07 Canon Inc 画像読取装置
JP4944432B2 (ja) * 2005-11-30 2012-05-30 キヤノン株式会社 光走査装置及びそれを用いた画像形成装置
US8345325B2 (en) 2006-07-26 2013-01-01 Hewlett-Packard Development Company, L.P. Segmented reflective optical system
JP4829750B2 (ja) * 2006-11-20 2011-12-07 キヤノン株式会社 画像読取装置
JP5404298B2 (ja) 2009-10-15 2014-01-29 キヤノン株式会社 画像読取装置の検査方法および検査装置
US20110128533A1 (en) * 2009-12-01 2011-06-02 Hui-Hsiung Lee Surface-check equipment
CN102519356B (zh) * 2011-12-15 2013-10-16 上海理工大学 一种基于全反射的光路互换装置
JP5674709B2 (ja) * 2012-05-23 2015-02-25 東芝テック株式会社 結像素子アレイ及び画像形成装置
JP2014103700A (ja) * 2014-03-10 2014-06-05 Ricoh Co Ltd 走査光学ユニット、画像読取装置および画像形成装置
JP6690354B2 (ja) * 2016-03-28 2020-04-28 富士ゼロックス株式会社 光学装置、画像読取装置
JP7180237B2 (ja) * 2018-09-25 2022-11-30 富士フイルムビジネスイノベーション株式会社 画像読取光学系および画像読み取り装置
JP2023145283A (ja) * 2022-03-28 2023-10-11 富士フイルムビジネスイノベーション株式会社 画像読み取り装置および画像形成システム

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JPH03113961A (ja) 1989-09-27 1991-05-15 Canon Inc 画像読取装置
US6166866A (en) * 1995-02-28 2000-12-26 Canon Kabushiki Kaisha Reflecting type optical system
JP3291974B2 (ja) 1995-04-24 2002-06-17 キヤノン株式会社 ズーム光学系及びそれを備える撮像装置
JP3320252B2 (ja) 1995-04-24 2002-09-03 キヤノン株式会社 反射型の光学系及びそれを用いた撮像装置
JP3715686B2 (ja) 1995-06-21 2005-11-09 キヤノン株式会社 処理方法及びそれを用いた処理装置
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JP3292051B2 (ja) * 1996-07-19 2002-06-17 キヤノン株式会社 変倍光学系及びそれを用いた撮像装置
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JP3535710B2 (ja) 1997-09-16 2004-06-07 キヤノン株式会社 光学素子及びそれを用いた光学系
JPH11231115A (ja) 1997-12-02 1999-08-27 Canon Inc 光学素子
JP2000050031A (ja) 1998-07-29 2000-02-18 Canon Inc 画像読取装置
JP2000162502A (ja) 1998-09-21 2000-06-16 Canon Inc 光学系及びそれを有する光学機器
JP2000098232A (ja) * 1998-09-25 2000-04-07 Canon Inc 光学素子及びそれを用いた光学系
US6144475A (en) 1998-11-09 2000-11-07 Avision, Inc. Optical system for scanner
US6256132B1 (en) * 1999-06-16 2001-07-03 Canon Kabushiki Kaisha Multi-beam scanning optical system and image forming apparatus using the same
US6476955B1 (en) * 1999-09-13 2002-11-05 Canon Kabushiki Kaisha Multi-beam scanning optical system and image forming apparatus using it
US6643043B2 (en) * 2000-01-28 2003-11-04 Canon Kabushiki Kaisha Scanning optical device and image forming apparatus
JP2003043360A (ja) * 2001-08-03 2003-02-13 Canon Inc 結像光学系、投射型画像表示装置および撮像装置

Also Published As

Publication number Publication date
EP1667420B1 (de) 2010-05-19
US20030038228A1 (en) 2003-02-27
EP1239655A2 (de) 2002-09-11
CN1384385A (zh) 2002-12-11
KR20020071482A (ko) 2002-09-12
CN100403088C (zh) 2008-07-16
EP1239655A3 (de) 2004-09-08
ES2341790T3 (es) 2010-06-28
JP2002335375A (ja) 2002-11-22
EP1667420A1 (de) 2006-06-07
JP3943952B2 (ja) 2007-07-11
KR100543988B1 (ko) 2006-01-20
US6894263B2 (en) 2005-05-17

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