JP3862446B2 - 結像レンズ及びそれを用いた画像読取装置 - Google Patents

結像レンズ及びそれを用いた画像読取装置 Download PDF

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Publication number
JP3862446B2
JP3862446B2 JP12694899A JP12694899A JP3862446B2 JP 3862446 B2 JP3862446 B2 JP 3862446B2 JP 12694899 A JP12694899 A JP 12694899A JP 12694899 A JP12694899 A JP 12694899A JP 3862446 B2 JP3862446 B2 JP 3862446B2
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JP
Japan
Prior art keywords
lens
imaging lens
curvature
optical axis
refractive power
Prior art date
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Expired - Fee Related
Application number
JP12694899A
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English (en)
Japanese (ja)
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JP2000171705A5 (https=
JP2000171705A (ja
Inventor
匡生 林出
和行 今道
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 JP12694899A priority Critical patent/JP3862446B2/ja
Priority to US09/404,760 priority patent/US6507444B2/en
Priority to DE69929269T priority patent/DE69929269T8/de
Priority to EP99119223A priority patent/EP0997759B1/en
Publication of JP2000171705A publication Critical patent/JP2000171705A/ja
Publication of JP2000171705A5 publication Critical patent/JP2000171705A5/ja
Application granted granted Critical
Publication of JP3862446B2 publication Critical patent/JP3862446B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP12694899A 1998-10-02 1999-05-07 結像レンズ及びそれを用いた画像読取装置 Expired - Fee Related JP3862446B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP12694899A JP3862446B2 (ja) 1998-10-02 1999-05-07 結像レンズ及びそれを用いた画像読取装置
US09/404,760 US6507444B2 (en) 1998-10-02 1999-09-24 Imaging lens and image reading apparatus using it
DE69929269T DE69929269T8 (de) 1998-10-02 1999-09-28 Abbildungsobjektiv und damit ausgestattetes Bildlesegerät
EP99119223A EP0997759B1 (en) 1998-10-02 1999-09-28 Imaging lens and image reading apparatus using it

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP29605398 1998-10-02
JP10-296053 1998-10-02
JP12694899A JP3862446B2 (ja) 1998-10-02 1999-05-07 結像レンズ及びそれを用いた画像読取装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006218282A Division JP4416767B2 (ja) 1998-10-02 2006-08-10 結像レンズ及びそれを用いた画像読取装置

Publications (3)

Publication Number Publication Date
JP2000171705A JP2000171705A (ja) 2000-06-23
JP2000171705A5 JP2000171705A5 (https=) 2006-03-16
JP3862446B2 true JP3862446B2 (ja) 2006-12-27

Family

ID=26463022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12694899A Expired - Fee Related JP3862446B2 (ja) 1998-10-02 1999-05-07 結像レンズ及びそれを用いた画像読取装置

Country Status (4)

Country Link
US (1) US6507444B2 (https=)
EP (1) EP0997759B1 (https=)
JP (1) JP3862446B2 (https=)
DE (1) DE69929269T8 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8854701B2 (en) 2012-03-13 2014-10-07 Ricoh Company, Ltd. Image-forming lens, image reader, and image-forming device
US8885232B2 (en) 2012-08-08 2014-11-11 Ricoh Company, Ltd. Scanner lens, image reader and image forming device

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
TW564631B (en) * 2002-06-28 2003-12-01 Veutron Corp Optical path device of curved mirror
US6894843B2 (en) * 2003-05-23 2005-05-17 Foxlink Image Technology Co., Ltd. Optical apparatus for a line scanner system with reduced optical total track
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
JP4822005B2 (ja) 2004-09-03 2011-11-24 ナルックス株式会社 不連続な面を有する光学素子を含む結像光学系
US7684094B2 (en) * 2004-09-13 2010-03-23 Canon Kabushiki Kaisha Image optical system and image reading apparatus equipped with same
JP5031303B2 (ja) 2006-09-11 2012-09-19 キヤノン株式会社 画像読取装置
JP4994753B2 (ja) 2006-09-11 2012-08-08 キヤノン株式会社 レンズユニット及びそれを用いた画像読取装置
US20090084856A1 (en) * 2007-09-28 2009-04-02 Igor Vinogradov Imaging reader with asymmetrical magnification
JP2009224829A (ja) 2008-03-13 2009-10-01 Canon Inc 画像読取装置
WO2011004467A1 (ja) * 2009-07-08 2011-01-13 コニカミノルタオプト株式会社 撮像レンズ及び撮像装置並びに携帯端末
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
JP2011244134A (ja) 2010-05-17 2011-12-01 Canon Inc 結像光学系の調整方法及びそれを用いた画像読取装置
JP5496809B2 (ja) 2010-07-29 2014-05-21 富士フイルム株式会社 撮像レンズおよび撮像装置
JP6004637B2 (ja) 2010-12-06 2016-10-12 キヤノン株式会社 レンズユニット、画像読取装置、及びレンズユニットの製造方法
JP5950150B2 (ja) * 2012-02-08 2016-07-13 株式会社リコー 画像読取レンズ並びに画像読取装置及び画像形成装置
TWI443370B (zh) * 2012-03-08 2014-07-01 Largan Precision Co Ltd 單焦點光學鏡片系統
CN109491054B (zh) * 2019-01-22 2024-04-26 浙江舜宇光学有限公司 光学成像镜头
CN111679413B (zh) * 2020-08-12 2020-10-30 瑞声通讯科技(常州)有限公司 摄像光学镜头

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
US4278999A (en) * 1979-09-12 1981-07-14 The Mead Corporation Moving image scanner
JPS59137916A (ja) 1983-01-27 1984-08-08 Olympus Optical Co Ltd 全長の短い写真レンズ
JPS6010234A (ja) 1983-06-29 1985-01-19 Canon Inc 投影装置
JPS60117227A (ja) 1983-11-29 1985-06-24 Minolta Camera Co Ltd アナモフイツク変倍複写方法
JPH01137217A (ja) 1987-11-25 1989-05-30 Asahi Optical Co Ltd 複写用レンズ
FR2642855B1 (fr) 1989-02-06 1991-05-17 Essilor Int Lentille optique pour la correction de l'astigmatisme
JP2893117B2 (ja) 1989-10-09 1999-05-17 富士写真光機株式会社 複写用変倍レンズ
US5179465A (en) 1990-02-07 1993-01-12 Canon Kabushiki Kaisha Optical system for light beam scanning
US5331343A (en) * 1990-11-13 1994-07-19 Minolta Camera Kabushiki Kaisha Optical apparatus with improved lens mounting device
JPH0514602A (ja) 1991-06-28 1993-01-22 Canon Inc 画像読取装置
JP3125107B2 (ja) 1991-11-20 2001-01-15 東都化成株式会社 磁性塗料用組成物
KR960010411B1 (en) 1992-04-24 1996-07-31 Lg Electronics Inc Holographic laser scanning unit in lbp
JP3341269B2 (ja) * 1993-12-22 2002-11-05 株式会社ニコン 投影露光装置、露光方法、半導体の製造方法及び投影光学系の調整方法
JPH07221944A (ja) 1994-02-08 1995-08-18 Fuji Xerox Co Ltd ラインイメージセンサを用いた画像読み取り光学系
US5770847A (en) * 1994-12-23 1998-06-23 Spectra-Physics Scanning Systems, Inc. Bar code reader with multi-focus lens
JPH0943508A (ja) 1995-07-28 1997-02-14 Topcon Corp ハイブリッドレンズ
JP3752004B2 (ja) 1995-12-15 2006-03-08 ペンタックス株式会社 走査レンズ
JPH09211331A (ja) * 1996-01-29 1997-08-15 Canon Inc 反射光学系
US5793465A (en) 1996-10-08 1998-08-11 Innotech, Inc. Toric surfacecasting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8854701B2 (en) 2012-03-13 2014-10-07 Ricoh Company, Ltd. Image-forming lens, image reader, and image-forming device
US8885232B2 (en) 2012-08-08 2014-11-11 Ricoh Company, Ltd. Scanner lens, image reader and image forming device

Also Published As

Publication number Publication date
EP0997759A3 (en) 2002-03-20
DE69929269T8 (de) 2006-12-07
EP0997759B1 (en) 2006-01-04
DE69929269D1 (de) 2006-03-30
DE69929269T2 (de) 2006-08-17
JP2000171705A (ja) 2000-06-23
US6507444B2 (en) 2003-01-14
US20020163739A1 (en) 2002-11-07
EP0997759A2 (en) 2000-05-03

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