JP5031303B2 - 画像読取装置 - Google Patents

画像読取装置 Download PDF

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Publication number
JP5031303B2
JP5031303B2 JP2006245440A JP2006245440A JP5031303B2 JP 5031303 B2 JP5031303 B2 JP 5031303B2 JP 2006245440 A JP2006245440 A JP 2006245440A JP 2006245440 A JP2006245440 A JP 2006245440A JP 5031303 B2 JP5031303 B2 JP 5031303B2
Authority
JP
Japan
Prior art keywords
lens
image reading
anamorphic
curvature
optical system
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 - Fee Related
Application number
JP2006245440A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008065234A (ja
JP2008065234A5 (https=
Inventor
匡生 林出
孝幸 杉山
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
Priority to JP2006245440A priority Critical patent/JP5031303B2/ja
Priority to US11/849,787 priority patent/US7397620B2/en
Priority to CNB200710154213XA priority patent/CN100520479C/zh
Publication of JP2008065234A publication Critical patent/JP2008065234A/ja
Publication of JP2008065234A5 publication Critical patent/JP2008065234A5/ja
Application granted granted Critical
Publication of JP5031303B2 publication Critical patent/JP5031303B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • G02B26/125—Details of the optical system between the polygonal mirror and the image plane
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/0005—Optical objectives specially designed for the purposes specified below having F-Theta characteristic
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/08—Anamorphotic objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
JP2006245440A 2006-09-11 2006-09-11 画像読取装置 Expired - Fee Related JP5031303B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006245440A JP5031303B2 (ja) 2006-09-11 2006-09-11 画像読取装置
US11/849,787 US7397620B2 (en) 2006-09-11 2007-09-04 Image reading apparatus using image reading lens
CNB200710154213XA CN100520479C (zh) 2006-09-11 2007-09-11 使用图像读取镜头的图像读取设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006245440A JP5031303B2 (ja) 2006-09-11 2006-09-11 画像読取装置

Publications (3)

Publication Number Publication Date
JP2008065234A JP2008065234A (ja) 2008-03-21
JP2008065234A5 JP2008065234A5 (https=) 2009-10-22
JP5031303B2 true JP5031303B2 (ja) 2012-09-19

Family

ID=39169317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006245440A Expired - Fee Related JP5031303B2 (ja) 2006-09-11 2006-09-11 画像読取装置

Country Status (3)

Country Link
US (1) US7397620B2 (https=)
JP (1) JP5031303B2 (https=)
CN (1) CN100520479C (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009224829A (ja) * 2008-03-13 2009-10-01 Canon Inc 画像読取装置
US7978419B2 (en) * 2009-06-09 2011-07-12 Hewlett-Packard Development Company, L.P. Scan lens for imaging device
JP5645472B2 (ja) 2010-05-17 2014-12-24 キヤノン株式会社 結像光学系及びそれを備える画像読取装置
JP5683130B2 (ja) * 2010-05-17 2015-03-11 キヤノン株式会社 画像読取レンズを用いた画像読取装置
JP2017187663A (ja) 2016-04-07 2017-10-12 キヤノン株式会社 結像光学系
KR102536605B1 (ko) * 2020-12-28 2023-05-26 삼성전기주식회사 렌즈 및 촬상 광학계
CN115134495B (zh) * 2022-06-13 2025-06-17 Oppo广东移动通信有限公司 图像传感器、摄像头、电子装置和成像方法
CN115629076B (zh) * 2022-09-27 2025-02-18 威海华菱光电股份有限公司 一种阵列式图像检测装置

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675638A (en) * 1979-11-27 1981-06-22 Canon Inc Scan projecting device
JPS6010234A (ja) * 1983-06-29 1985-01-19 Canon Inc 投影装置
JPS6435523A (en) * 1987-07-31 1989-02-06 Sankyo Seiki Seisakusho Kk Light scanning device
JP2774546B2 (ja) * 1988-08-19 1998-07-09 リコー光学株式会社 光走査装置におけるｆθレンズ系
JP2695208B2 (ja) * 1988-11-28 1997-12-24 リコー光学株式会社 光走査装置におけるｆθレンズ系
JPH02154215A (ja) * 1988-12-06 1990-06-13 Minolta Camera Co Ltd アナモフィック変倍光学系
JPH02285321A (ja) * 1989-04-26 1990-11-22 Minolta Camera Co Ltd 高精度トーリックｆθレンズ系
JP2986949B2 (ja) * 1990-09-21 1999-12-06 リコー光学株式会社 光走査装置における結像レンズ系
JPH06289498A (ja) * 1993-03-31 1994-10-18 Canon Inc 画像形成装置
JP3364525B2 (ja) * 1994-04-22 2003-01-08 リコー光学株式会社 走査結像レンズおよび光走査装置
JPH08262323A (ja) * 1995-03-24 1996-10-11 Asahi Optical Co Ltd 走査光学系
JP3943155B2 (ja) * 1995-11-20 2007-07-11 セイコーエプソン株式会社 光走査装置
JP3752004B2 (ja) * 1995-12-15 2006-03-08 ペンタックス株式会社 走査レンズ
JP3538273B2 (ja) * 1995-12-20 2004-06-14 ペンタックス株式会社 走査レンズ
JP3222052B2 (ja) * 1996-01-11 2001-10-22 株式会社東芝 光走査装置
JP3862446B2 (ja) 1998-10-02 2006-12-27 キヤノン株式会社 結像レンズ及びそれを用いた画像読取装置
JP2000249915A (ja) * 1999-03-03 2000-09-14 Fuji Xerox Co Ltd 投影光学系および画像形成装置
EP1045570A3 (en) 1999-04-16 2003-11-12 Canon Kabushiki Kaisha Color image reading apparatus
JP2000307800A (ja) 1999-04-16 2000-11-02 Canon Inc カラー画像読取装置
JP2002314767A (ja) * 2001-04-10 2002-10-25 Canon Inc 結像レンズ及びそれを用いた画像読取装置
JP4684470B2 (ja) * 2001-06-08 2011-05-18 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
JP4289914B2 (ja) * 2002-05-07 2009-07-01 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
JP2004109727A (ja) * 2002-09-20 2004-04-08 Fuji Photo Film Co Ltd 放射線画像情報読取装置
JP4461913B2 (ja) * 2004-06-08 2010-05-12 コニカミノルタビジネステクノロジーズ株式会社 読取レンズ

Also Published As

Publication number Publication date
US20080062492A1 (en) 2008-03-13
CN100520479C (zh) 2009-07-29
US7397620B2 (en) 2008-07-08
JP2008065234A (ja) 2008-03-21
CN101144898A (zh) 2008-03-19

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