JP7118329B1 - 画像読取装置 - Google Patents

画像読取装置 Download PDF

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Publication number
JP7118329B1
JP7118329B1 JP2022534827A JP2022534827A JP7118329B1 JP 7118329 B1 JP7118329 B1 JP 7118329B1 JP 2022534827 A JP2022534827 A JP 2022534827A JP 2022534827 A JP2022534827 A JP 2022534827A JP 7118329 B1 JP7118329 B1 JP 7118329B1
Authority
JP
Japan
Prior art keywords
light
light receiving
shielding member
light shielding
image reading
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.)
Active
Application number
JP2022534827A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022180722A1 (https=
JPWO2022180722A5 (https=
Inventor
裕之 河野
直紀 中川
岳 大野
秀 多久島
直幸 時田
章 太田
美樹 菅野
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of JP7118329B1 publication Critical patent/JP7118329B1/ja
Publication of JPWO2022180722A1 publication Critical patent/JPWO2022180722A1/ja
Publication of JPWO2022180722A5 publication Critical patent/JPWO2022180722A5/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04N1/03—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
    • H04N1/0311—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 an array of elements to project the scanned image elements onto the photodetectors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
    • H10F39/80—Constructional details of image sensors
    • H10F39/806—Optical elements or arrangements associated with the image sensors
    • H10F39/8063—Microlenses
    • 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
    • H04N1/02895—Additional elements in the illumination means or cooperating with the illumination means, e.g. filters
    • 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
    • H04N1/0306—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array using a plurality of optical elements arrayed in the main scan direction, e.g. an array of lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Facsimile Heads (AREA)
  • Facsimile Scanning Arrangements (AREA)
JP2022534827A 2021-02-25 2021-02-25 画像読取装置 Active JP7118329B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/007003 WO2022180722A1 (ja) 2021-02-25 2021-02-25 画像読取装置

Publications (3)

Publication Number Publication Date
JP7118329B1 true JP7118329B1 (ja) 2022-08-15
JPWO2022180722A1 JPWO2022180722A1 (https=) 2022-09-01
JPWO2022180722A5 JPWO2022180722A5 (https=) 2023-01-27

Family

ID=82847645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022534827A Active JP7118329B1 (ja) 2021-02-25 2021-02-25 画像読取装置

Country Status (5)

Country Link
US (1) US20240128294A1 (https=)
JP (1) JP7118329B1 (https=)
CN (1) CN116888952A (https=)
DE (1) DE112021007141T5 (https=)
WO (1) WO2022180722A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001290104A (ja) * 2000-04-06 2001-10-19 Rohm Co Ltd 画像の結像方法、レンズアレイアッセンブリ、レンズアレイおよび光学装置
JP2010091864A (ja) * 2008-10-09 2010-04-22 Hitachi Maxell Ltd 光学部品、撮像装置、生体情報取得装置、及び光学部品の製造方法
JP2013131794A (ja) * 2011-12-20 2013-07-04 Mitsubishi Electric Corp 画像読取装置
JP2015133658A (ja) * 2014-01-15 2015-07-23 三菱電機株式会社 画像読取装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006004802B4 (de) 2006-01-23 2008-09-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Bilderfassungssystem und Verfahren zur Herstellung mindestens eines Bilderfassungssystems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001290104A (ja) * 2000-04-06 2001-10-19 Rohm Co Ltd 画像の結像方法、レンズアレイアッセンブリ、レンズアレイおよび光学装置
JP2010091864A (ja) * 2008-10-09 2010-04-22 Hitachi Maxell Ltd 光学部品、撮像装置、生体情報取得装置、及び光学部品の製造方法
JP2013131794A (ja) * 2011-12-20 2013-07-04 Mitsubishi Electric Corp 画像読取装置
JP2015133658A (ja) * 2014-01-15 2015-07-23 三菱電機株式会社 画像読取装置

Also Published As

Publication number Publication date
US20240128294A1 (en) 2024-04-18
JPWO2022180722A1 (https=) 2022-09-01
DE112021007141T5 (de) 2023-12-14
WO2022180722A1 (ja) 2022-09-01
CN116888952A (zh) 2023-10-13

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