JP5100278B2 - 導光光学系及びそれを用いた原稿照明装置及びそれを用いた画像読取装置 - Google Patents

導光光学系及びそれを用いた原稿照明装置及びそれを用いた画像読取装置 Download PDF

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Publication number
JP5100278B2
JP5100278B2 JP2007247468A JP2007247468A JP5100278B2 JP 5100278 B2 JP5100278 B2 JP 5100278B2 JP 2007247468 A JP2007247468 A JP 2007247468A JP 2007247468 A JP2007247468 A JP 2007247468A JP 5100278 B2 JP5100278 B2 JP 5100278B2
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Japan
Prior art keywords
document
main scanning
optical system
curved
illumination device
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Expired - Fee Related
Application number
JP2007247468A
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English (en)
Japanese (ja)
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JP2009080173A (ja
JP2009080173A5 (enExample
Inventor
匡生 林出
孝幸 杉山
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Canon Inc
Original Assignee
Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2007247468A priority Critical patent/JP5100278B2/ja
Priority to US12/212,107 priority patent/US7855815B2/en
Publication of JP2009080173A publication Critical patent/JP2009080173A/ja
Publication of JP2009080173A5 publication Critical patent/JP2009080173A5/ja
Application granted granted Critical
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Expired - Fee Related legal-status Critical Current
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    • 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
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • 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
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
    • H04N1/02835—Using a single or a few point light sources, e.g. a laser diode in combination with a light guide, e.g. optical fibre, glass plate
    • 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
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02885—Means for compensating spatially uneven illumination, e.g. an aperture arrangement

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Planar Illumination Modules (AREA)
  • Facsimile Heads (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
JP2007247468A 2007-09-25 2007-09-25 導光光学系及びそれを用いた原稿照明装置及びそれを用いた画像読取装置 Expired - Fee Related JP5100278B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007247468A JP5100278B2 (ja) 2007-09-25 2007-09-25 導光光学系及びそれを用いた原稿照明装置及びそれを用いた画像読取装置
US12/212,107 US7855815B2 (en) 2007-09-25 2008-09-17 Light guide optical system, document illuminating device using same, and image reading apparatus using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007247468A JP5100278B2 (ja) 2007-09-25 2007-09-25 導光光学系及びそれを用いた原稿照明装置及びそれを用いた画像読取装置

Publications (3)

Publication Number Publication Date
JP2009080173A JP2009080173A (ja) 2009-04-16
JP2009080173A5 JP2009080173A5 (enExample) 2010-11-11
JP5100278B2 true JP5100278B2 (ja) 2012-12-19

Family

ID=40471279

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007247468A Expired - Fee Related JP5100278B2 (ja) 2007-09-25 2007-09-25 導光光学系及びそれを用いた原稿照明装置及びそれを用いた画像読取装置

Country Status (2)

Country Link
US (1) US7855815B2 (enExample)
JP (1) JP5100278B2 (enExample)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7995252B2 (en) * 2005-09-08 2011-08-09 Mitsubishi Electric Corporation Image reading apparatus
TW200846601A (en) * 2007-05-22 2008-12-01 Asia Optical Co Inc Light-guide element and optical source module
US8379275B2 (en) 2007-07-31 2013-02-19 Samsung Electronics Co., Ltd. Scanner module and image scanning apparatus employing the same
US8358447B2 (en) 2007-07-31 2013-01-22 Samsung Electronics Co., Ltd. Scanner module and image scanning apparatus employing the same
EP2026556B1 (en) 2007-07-31 2013-05-01 Samsung Electronics Co., Ltd. Multi-functional device having scanner module and image scanning apparatus employing the scanner module
US20110051416A1 (en) * 2008-04-23 2011-03-03 Koninklijke Philips Electronics N.V. Lighting system
US8488216B2 (en) * 2009-02-20 2013-07-16 Nisca Corporation LED light source and image reading apparatus
JP2011024043A (ja) * 2009-07-16 2011-02-03 Fuji Xerox Co Ltd 画像読取装置及び画像形成装置
JP5471108B2 (ja) * 2009-07-17 2014-04-16 富士ゼロックス株式会社 画像読み取り装置および線状光源装置
JP2011024134A (ja) 2009-07-17 2011-02-03 Fuji Xerox Co Ltd 画像読取装置及び画像形成装置
JP5499592B2 (ja) 2009-09-17 2014-05-21 ソニー株式会社 ライトガイド、光源装置及び読取装置
CZ309346B6 (cs) * 2010-11-01 2022-09-14 Varroc Lighting Systems, s.r.o. Světlovodný modul se seřiditelným osvětlením povrchu obrysu
CN102947737B (zh) * 2010-06-17 2017-02-15 皇家飞利浦电子股份有限公司 具有波导和led的照明装置
US8573823B2 (en) * 2011-08-08 2013-11-05 Quarkstar Llc Solid-state luminaire
US9081125B2 (en) 2011-08-08 2015-07-14 Quarkstar Llc Illumination devices including multiple light emitting elements
JP5989115B2 (ja) 2011-08-08 2016-09-07 クォークスター・エルエルシー 複数の発光素子を備える照明デバイス
WO2013028972A1 (en) * 2011-08-24 2013-02-28 Laser Energetics, Inc. Led brilliant illumination light pipe lighting
JP5836723B2 (ja) * 2011-09-16 2015-12-24 キヤノン株式会社 導光体および照明装置並びに画像読取装置
JP5836740B2 (ja) * 2011-09-29 2015-12-24 キヤノン株式会社 導光体および照明装置並びに画像読取装置
TWI451047B (zh) * 2012-03-09 2014-09-01 Coretronic Corp 光源模組
CN110094666A (zh) 2012-09-13 2019-08-06 夸克星有限责任公司 提供直接和间接照明的照明系统
WO2014043369A2 (en) 2012-09-13 2014-03-20 Quarkstar Llc Devices for workspace illumination
US9206956B2 (en) 2013-02-08 2015-12-08 Quarkstar Llc Illumination device providing direct and indirect illumination
EP2986892B1 (en) 2013-04-19 2017-06-28 Quarkstar LLC Illumination devices with adjustable optical elements
EP3081846B1 (en) 2013-07-18 2018-03-28 Quarkstar LLC Illumination device in which source light injection is non-parallel to device's optical axis
EP3179154B1 (en) 2013-09-17 2018-11-14 Quarkstar LLC Light guide illumination device with light divergence modifier
US9348080B1 (en) 2014-11-18 2016-05-24 Quarkstar Llc Wall wash luminaire with light guide and optical element therefore
JP2016171423A (ja) * 2015-03-12 2016-09-23 キヤノン株式会社 画像読取装置
US10330902B1 (en) 2017-06-16 2019-06-25 Dbm Reflex Enterprises Inc. Illumination optics and devices
DK3743755T3 (da) * 2018-01-25 2023-03-06 Lmpg Inc Lysleder
EP3853644B1 (en) * 2018-09-17 2024-02-07 LMPG Inc. Wedge-shaped light guides for luminaires and luminaire assemblies incorporating same

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5196950A (en) * 1988-08-04 1993-03-23 Ricoh Company, Ltd. Optical reader and light source used for the same
US5313289A (en) * 1990-03-08 1994-05-17 Canon Kabushiki Kaisha Original illuminating device and original reading device preventing random reflected light
JPH06225081A (ja) * 1993-01-28 1994-08-12 Canon Inc 原稿読取装置及びそれを用いた情報処理装置
JPH07203128A (ja) 1993-12-29 1995-08-04 Nippon Steel Corp 密着型イメージセンサ
JP3043239B2 (ja) * 1994-10-07 2000-05-22 シャープ株式会社 画像読み取り装置
US5810463A (en) * 1994-11-28 1998-09-22 Nikon Corporation Illumination device
JPH10210217A (ja) * 1997-01-17 1998-08-07 Rohm Co Ltd 画像読み取り装置
US6469808B1 (en) * 1998-05-15 2002-10-22 Rohm Co., Ltd. Image reading apparatus and illuminator used for the same
US6714323B1 (en) * 1999-06-02 2004-03-30 Rohm Co., Ltd. Image reading apparatus and light conductor used for the same
TW571560B (en) * 2002-07-05 2004-01-11 Veutron Corp Image capture light-focusing device and method thereof
JP2005156600A (ja) 2003-11-20 2005-06-16 Ricoh Co Ltd 照明装置、画像読取装置及び画像形成装置
JP4093990B2 (ja) * 2004-05-26 2008-06-04 日本板硝子株式会社 導光体、ライン照明装置および画像読取装置
JP4638192B2 (ja) * 2004-08-26 2011-02-23 三菱電機株式会社 ライン光源及びこれを用いた密着型イメージセンサ
JP2006114239A (ja) * 2004-10-12 2006-04-27 Fujikura Ltd 面状光源用導光体とその製造方法、面状光源、照明装置、看板及び液晶表示装置
JP2006245955A (ja) * 2005-03-02 2006-09-14 Ricoh Co Ltd 画像読取り装置
JP4808211B2 (ja) * 2005-03-17 2011-11-02 富士通株式会社 照明装置及び液晶表示装置
US7760403B2 (en) * 2005-06-14 2010-07-20 Ricoh Co., Ltd. Optical irradiation apparatus, image reading apparatus using the same, and image forming apparatus using the same
KR101213842B1 (ko) * 2006-04-27 2012-12-18 후지쯔 가부시끼가이샤 조명 장치 및 액정 표시 장치
JP4788577B2 (ja) * 2006-11-10 2011-10-05 ソニー株式会社 ライトガイド、光源装置及び電子機器
JP2008311952A (ja) * 2007-06-14 2008-12-25 Ricoh Co Ltd 原稿読取装置
JP5264338B2 (ja) * 2008-07-17 2013-08-14 京セラドキュメントソリューションズ株式会社 画像読取装置及び画像形成装置
TWI353428B (en) * 2008-11-18 2011-12-01 Teco Image System Co Lted Light projection device of scanner module

Also Published As

Publication number Publication date
JP2009080173A (ja) 2009-04-16
US20090080038A1 (en) 2009-03-26
US7855815B2 (en) 2010-12-21

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