FR2817323B1 - Dispositif de lecture d'images et dispositif d'eclairage utlise pour celui-ci - Google Patents

Dispositif de lecture d'images et dispositif d'eclairage utlise pour celui-ci

Info

Publication number
FR2817323B1
FR2817323B1 FR0200194A FR0200194A FR2817323B1 FR 2817323 B1 FR2817323 B1 FR 2817323B1 FR 0200194 A FR0200194 A FR 0200194A FR 0200194 A FR0200194 A FR 0200194A FR 2817323 B1 FR2817323 B1 FR 2817323B1
Authority
FR
France
Prior art keywords
image reading
illuminated lighting
lighting device
therefor
reading device
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
FR0200194A
Other languages
English (en)
Other versions
FR2817323A1 (fr
Inventor
Hiroaki Onishi
Hisayoshi Fujimoto
Norihiro Imamura
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.)
Rohm Co Ltd
Original Assignee
Rohm Co 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
Priority claimed from JP10133176A external-priority patent/JPH11331497A/ja
Priority claimed from JP10282665A external-priority patent/JP2000115469A/ja
Application filed by Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of FR2817323A1 publication Critical patent/FR2817323A1/fr
Application granted granted Critical
Publication of FR2817323B1 publication Critical patent/FR2817323B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N1/024—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
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
    • H04N1/02865—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array using an array of light sources or a combination of such arrays, e.g. an LED bar
    • 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
    • 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
    • H04N1/0314—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 using photodetectors and illumination means mounted in the same plane on a common support or substrate
    • 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
    • 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
    • H04N2201/02452—Arrangements for mounting or supporting elements within a scanning head
    • H04N2201/02454—Element mounted or supported
    • H04N2201/02456—Scanning element, e.g. CCD array, photodetector
    • 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
    • H04N2201/02452—Arrangements for mounting or supporting elements within a scanning head
    • H04N2201/02454—Element mounted or supported
    • H04N2201/02462—Illuminating means
    • 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
    • H04N2201/02452—Arrangements for mounting or supporting elements within a scanning head
    • H04N2201/02466—Mounting or supporting method
    • H04N2201/02472—Mounting or supporting method using clips
    • 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
    • H04N2201/02452—Arrangements for mounting or supporting elements within a scanning head
    • H04N2201/02479—Mounting or supporting means
    • H04N2201/02483—Housing or part of the housing, e.g. bottom plate
    • 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
    • H04N2201/0312—Reflecting element upstream 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
    • H04N2201/03125—Light guide upstream 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
    • H04N2201/03133—Window, i.e. a transparent member mounted in the frame
    • 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
    • H04N2201/03141—Photodetector 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
    • H04N2201/03145—Photodetector

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
FR0200194A 1998-05-15 2002-01-09 Dispositif de lecture d'images et dispositif d'eclairage utlise pour celui-ci Expired - Fee Related FR2817323B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10133176A JPH11331497A (ja) 1998-05-15 1998-05-15 画像読み取り装置
JP10282665A JP2000115469A (ja) 1998-10-05 1998-10-05 ライン状照明構造および画像読み取り装置

Publications (2)

Publication Number Publication Date
FR2817323A1 FR2817323A1 (fr) 2002-05-31
FR2817323B1 true FR2817323B1 (fr) 2004-06-11

Family

ID=26467583

Family Applications (3)

Application Number Title Priority Date Filing Date
FR9906109A Expired - Fee Related FR2782779B1 (fr) 1998-05-15 1999-05-12 Dispositif de lecture d'images et dispositif d'eclairage utilise pour celui-ci
FR0200194A Expired - Fee Related FR2817323B1 (fr) 1998-05-15 2002-01-09 Dispositif de lecture d'images et dispositif d'eclairage utlise pour celui-ci
FR0200583A Expired - Fee Related FR2817324B1 (fr) 1998-05-15 2002-01-18 Dispositif d'eclairage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR9906109A Expired - Fee Related FR2782779B1 (fr) 1998-05-15 1999-05-12 Dispositif de lecture d'images et dispositif d'eclairage utilise pour celui-ci

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR0200583A Expired - Fee Related FR2817324B1 (fr) 1998-05-15 2002-01-18 Dispositif d'eclairage

Country Status (4)

Country Link
US (1) US6469808B1 (fr)
DE (1) DE19922304B4 (fr)
FR (3) FR2782779B1 (fr)
TW (1) TW416213B (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6864999B1 (en) * 1998-07-13 2005-03-08 Rohm Co., Ltd. Integrated image-reading/writing head and image processing apparatus incorporating the same
CA2338595C (fr) * 1998-07-31 2003-09-23 Rohm Co., Ltd. Tete de lecture/ecriture d'images integree et processeur d'images comportant cette tete de lecture/ecriture
US6744033B2 (en) * 2000-08-01 2004-06-01 Nippon Sheet Glass Co., Ltd. Bar-shaped light guide, line-illuminating device incorporated with the bar-shaped light guide and contact-type image sensor incorporated with the line-illuminating device
US6611000B2 (en) * 2001-03-14 2003-08-26 Matsushita Electric Industrial Co., Ltd. Lighting device
US20020141002A1 (en) * 2001-03-28 2002-10-03 Minolta Co., Ltd. Image pickup apparatus
US6815702B2 (en) * 2001-10-23 2004-11-09 Agfa Corporation Method and apparatus for detection of an edge of a printing plate mounted on a drum imaging system
DE102004016986B3 (de) 2004-04-02 2005-10-06 Siemens Ag Vorrichtung und Verfahren zur Messung mehrerer Abgasbestandteile
US7746520B2 (en) * 2004-11-23 2010-06-29 Xerox Corporation Document illuminator
US20060227387A1 (en) * 2005-03-31 2006-10-12 Xerox Corporation Light-transmissive cylindrical platen
US7350712B2 (en) * 2005-03-31 2008-04-01 Xerox Corporation Image sensor module architecture
US7593143B2 (en) * 2005-03-31 2009-09-22 Xerox Corporation Compound curved concentrator based illuminator
US7141776B2 (en) 2005-03-31 2006-11-28 Xerox Corporation Integrated ROS bar
US7626737B2 (en) * 2005-03-31 2009-12-01 Xerox Corporation Wide format ROB assembly
US7715063B2 (en) * 2005-03-31 2010-05-11 Xerox Corporation CVT integrated illuminator
US7864381B2 (en) * 2007-03-20 2011-01-04 Xerox Corporation Document illuminator with LED-driven phosphor
JP5100278B2 (ja) * 2007-09-25 2012-12-19 キヤノン株式会社 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
JP2009165110A (ja) * 2007-12-13 2009-07-23 Rohm Co Ltd 画像読取装置
JP2009246462A (ja) * 2008-03-28 2009-10-22 Kyocera Mita Corp 画像読取装置及び画像形成装置
JP5288880B2 (ja) * 2008-05-21 2013-09-11 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
JP2010130056A (ja) 2008-11-25 2010-06-10 Ricoh Co Ltd 光照射装置、画像読取装置および画像形成装置
US8477385B2 (en) * 2009-07-14 2013-07-02 Fuji Xerox Co., Ltd. Image reading apparatus with substrate support, image forming apparatus with substrate support
WO2011080962A1 (fr) * 2009-12-28 2011-07-07 キヤノン・コンポーネンツ株式会社 Unité de capteur d'image du type par contact et dispositif de lecture d'image utilisant cette dernière
JP2012015987A (ja) * 2010-06-02 2012-01-19 Rohm Co Ltd 線状光源装置および画像読取装置
US9094562B2 (en) * 2011-08-09 2015-07-28 Canon Components, Inc. Image sensor unit and image reading apparatus using the image sensor unit
JP6155550B2 (ja) * 2012-04-05 2017-07-05 セイコーエプソン株式会社 画像読取装置
JP6028894B2 (ja) 2012-04-05 2016-11-24 セイコーエプソン株式会社 画像読取装置および筐体の製造方法
WO2017192795A1 (fr) * 2016-05-05 2017-11-09 Ameritech Llc Diode électroluminescente pour remplacement d'une lampe fluorescente
CN107631177B (zh) * 2017-09-26 2019-11-05 东莞市闻誉实业有限公司 具有按钮开关的调节灯具

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62169570A (ja) 1986-01-22 1987-07-25 Hitachi Ltd 密着センサ−系のシエ−デイング補正機構
JPH0750799B2 (ja) 1986-04-17 1995-05-31 株式会社東芝 発光装置
JPH073891B2 (ja) * 1987-06-09 1995-01-18 株式会社東芝 発光素子アレイ
JPH0429379A (ja) 1990-05-24 1992-01-31 Matsushita Electric Ind Co Ltd Ｌｅｄアレイ光源
JPH0583470A (ja) * 1991-09-25 1993-04-02 Rohm Co Ltd イメージセンサ
JP3096171B2 (ja) * 1991-09-30 2000-10-10 ローム株式会社 イメージセンサ及びそれを搭載する電子機器
JP2768866B2 (ja) * 1992-02-10 1998-06-25 三菱電機株式会社 密着型イメージセンサ
JPH0686010A (ja) 1992-08-31 1994-03-25 Matsushita Electric Ind Co Ltd 信号変換装置
JPH06273602A (ja) 1993-03-24 1994-09-30 Matsushita Electric Ind Co Ltd 密着型イメージセンサ
US5639158A (en) 1994-08-19 1997-06-17 Nec Corporation Led-array light source
KR0182048B1 (ko) * 1995-10-12 1999-04-15 김광호 밀착형 이미지 센서 및 그 제조방법
US5926286A (en) * 1996-08-22 1999-07-20 Nec Corporation Image sensor apparatus with small convex portions
CA2241404C (fr) * 1995-12-26 2001-12-25 Rohm Co., Ltd. Detecteur d'images par contact
JP3727718B2 (ja) * 1996-05-10 2005-12-14 ローム株式会社 密着型イメージセンサ
JPH1188601A (ja) * 1997-09-05 1999-03-30 Mitsubishi Electric Corp イメージセンサ

Also Published As

Publication number Publication date
FR2817324B1 (fr) 2003-05-09
DE19922304B4 (de) 2004-02-12
FR2817323A1 (fr) 2002-05-31
DE19922304A1 (de) 2000-01-13
FR2817324A1 (fr) 2002-05-31
FR2782779B1 (fr) 2002-06-07
TW416213B (en) 2000-12-21
FR2782779A1 (fr) 2000-03-03
US6469808B1 (en) 2002-10-22

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20110131