TW418585B - Image reading apparatus - Google Patents

Image reading apparatus Download PDF

Info

Publication number
TW418585B
TW418585B TW086110415A TW86110415A TW418585B TW 418585 B TW418585 B TW 418585B TW 086110415 A TW086110415 A TW 086110415A TW 86110415 A TW86110415 A TW 86110415A TW 418585 B TW418585 B TW 418585B
Authority
TW
Taiwan
Prior art keywords
light
sensor
incident
leds
light guide
Prior art date
Application number
TW086110415A
Other languages
English (en)
Inventor
Makoto Ogura
Akihiko Kumatoriya
Original Assignee
Canon Kk
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 Kk filed Critical Canon Kk
Application granted granted Critical
Publication of TW418585B publication Critical patent/TW418585B/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024Details of scanning heads ; Means for illuminating the original
    • H04N1/028Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0282Using a single or a few point light sources, e.g. a laser diode
    • H04N1/02835Using 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024Details of scanning heads ; Means for illuminating the original
    • H04N1/028Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/03Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
    • H04N1/031Details 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
    • H04N1/0318Integral 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104Integral 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
    • H04N2201/03108Components of integral heads
    • H04N2201/03112Light source
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104Integral 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
    • H04N2201/03108Components of integral heads
    • H04N2201/03125Light guide upstream of the scanned picture elements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104Integral 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
    • H04N2201/03108Components of integral heads
    • H04N2201/03133Window, i.e. a transparent member mounted in the frame
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104Integral 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
    • H04N2201/03108Components of integral heads
    • H04N2201/03141Photodetector lens
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104Integral 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
    • H04N2201/03108Components of integral heads
    • H04N2201/03145Photodetector
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104Integral 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
    • H04N2201/0315Details of integral heads not otherwise provided for
    • H04N2201/0317Shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
  • Optical Filters (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)

Description

經濟部智慧財產局員工消費合作社印製 418585 A8 B8 C8 D8 六、申請專利範圍 性。 1 9 · 一種影像讀取系統,包含一光源,一導光架, 用以導引由光源來之發射光於一縱方向,以發射光從平行 於縱方向之該導光架之側,以光照射原件,及〜光接收感 應器,用以接收由原件反射之光並輸出一影像信號,信號 處理機構,用以執行用於該影像信號之預定處理,及控制 機構,用以控制該光源,該光接收感應器,及該信號處理 機構,其中,至少該導光架之至少一端部份是被彎曲實質 呈直角。 2 0 ·如申請專利範圍第1 9項所述之影像讀取系 統,其中,該光源係放置在該導光架之一端部份。 2 1 .如申請專利範圍第2 0項所述之影像讀取系 統,其中,該導光架之兩端是被彎曲實質呈直角,及光源 係被放置於兩彎曲端部份。 2 2 ·如申請專利範圍第1 9項所述之影像讀取系 統,其中,該導光架更包含一散光/反射部份,用以散光 及/或反射入射光。 2 3 ·如申請專利範圍第1 9項所述之影像讀取系 統,其中,該光源是一 L E D。 2 4 ·如申請專利範圍第1 9項所述之影像讀取系 統,其中,該光源及光接收感應器是安排在同一板上。 2 5 ·如申請專利範圍第1 9項所述之影像讀取系 統,其中,該光源包含一彩色濾光器,其具有一預定光譜 感應性特性。 --------0 — ^------訂----- (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) -3 - 418585 A8 B8 C8 D8 六、申請專利範圍 2 6 .如申請專利範圍第5項所述之導光架,其中, 該光源包含多數分別具有不同頻率之多數L E D。 2 7 .如申請專利範圍第1 0項所述之裝置,其中, 該光源包含多數分別具有不同頻率之多數L E D。 2 8 .如申請專利範圍第1 2項所述之裝置,其中, 該光源包含多數分別具有不同頻率之多數L E D。 2 9 .如申請專利範圍第2 3項所述之系統,其中, 該光源包含多數分別具有不同頻率之多數L E D。 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐)
TW086110415A 1996-07-26 1997-07-22 Image reading apparatus TW418585B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19764596 1996-07-26
JP17193097A JP3453495B2 (ja) 1996-07-26 1997-06-27 密着型イメージセンサ及び画像読取装置

Publications (1)

Publication Number Publication Date
TW418585B true TW418585B (en) 2001-01-11

Family

ID=26494488

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086110415A TW418585B (en) 1996-07-26 1997-07-22 Image reading apparatus

Country Status (3)

Country Link
US (2) US6172356B1 (zh)
JP (1) JP3453495B2 (zh)
TW (1) TW418585B (zh)

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CN106772760B (zh) * 2016-12-23 2019-12-06 武汉华星光电技术有限公司 一种导光板及液晶模组
CN108494478A (zh) * 2018-03-30 2018-09-04 昂纳信息技术(深圳)有限公司 一种实现监测发射功率的sr4器件和一种监测方法
JP7461172B2 (ja) * 2020-03-02 2024-04-03 グローリー株式会社 イメージセンサ用照明装置
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Also Published As

Publication number Publication date
JP3453495B2 (ja) 2003-10-06
US6417508B1 (en) 2002-07-09
JPH1093765A (ja) 1998-04-10
US6172356B1 (en) 2001-01-09

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