JP7718869B2 - 画像読取装置及び画像形成装置 - Google Patents

画像読取装置及び画像形成装置

Info

Publication number
JP7718869B2
JP7718869B2 JP2021105488A JP2021105488A JP7718869B2 JP 7718869 B2 JP7718869 B2 JP 7718869B2 JP 2021105488 A JP2021105488 A JP 2021105488A JP 2021105488 A JP2021105488 A JP 2021105488A JP 7718869 B2 JP7718869 B2 JP 7718869B2
Authority
JP
Japan
Prior art keywords
reading unit
sheet
guide
image
unit
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
JP2021105488A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023004032A5 (enExample
JP2023004032A (ja
Inventor
要 山田
祐史 池田
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 JP2021105488A priority Critical patent/JP7718869B2/ja
Priority to US17/752,646 priority patent/US11689675B2/en
Priority to EP22176310.5A priority patent/EP4109868B1/en
Priority to EP24203809.9A priority patent/EP4478697A3/en
Priority to KR1020220075573A priority patent/KR102849382B1/ko
Priority to CN202511127473.2A priority patent/CN120972480A/zh
Priority to CN202210711934.0A priority patent/CN115524948B/zh
Priority to CN202511127547.2A priority patent/CN120972481A/zh
Publication of JP2023004032A publication Critical patent/JP2023004032A/ja
Priority to US18/316,888 priority patent/US12075012B2/en
Publication of JP2023004032A5 publication Critical patent/JP2023004032A5/ja
Priority to US18/785,432 priority patent/US20240388666A1/en
Priority to JP2025122649A priority patent/JP2025146874A/ja
Application granted granted Critical
Publication of JP7718869B2 publication Critical patent/JP7718869B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N1/00909—Cleaning arrangements or preventing or counter-acting contamination from dust or the like
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1604—Arrangement or disposition of the entire apparatus
    • G03G21/1623—Means to access the interior of the apparatus
    • G03G21/1628—Clamshell type
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6529—Transporting
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1604—Arrangement or disposition of the entire apparatus
    • G03G21/1623—Means to access the interior of the apparatus
    • G03G21/1638—Means to access the interior of the apparatus directed to paper handling or jam treatment
    • 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
    • H04N1/00519—Constructional details not otherwise provided for, e.g. housings, covers
    • H04N1/00543—Allowing easy access, e.g. for maintenance or in case of paper jam
    • 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
    • H04N1/00519—Constructional details not otherwise provided for, e.g. housings, covers
    • H04N1/00551—Top covers or the like
    • 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
    • H04N1/00519—Constructional details not otherwise provided for, e.g. housings, covers
    • H04N1/00557—Connection or assembly of components or elements
    • 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
    • H04N1/00519—Constructional details not otherwise provided for, e.g. housings, covers
    • H04N1/00559—Mounting or support of components or elements
    • 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
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • 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
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • H04N1/00588—Conveying sheets before or after scanning to the scanning position
    • 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
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • H04N1/00599—Using specific components
    • H04N1/00602—Feed rollers
    • 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
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • H04N1/00599—Using specific components
    • H04N1/00615—Guiding elements, e.g. plates
    • 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
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • H04N1/00618—Transporting curved sheets or curving sheets during transportation, e.g. for feeding to a drum-type scanner
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • H04N1/121—Feeding arrangements
    • H04N1/1235—Feeding a sheet past a transparent plate; Details thereof
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00717—Detection of physical properties
    • G03G2215/00759—Detection of physical properties of sheet image, e.g. presence, type
    • 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
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0081—Image reader
    • 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
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0094—Multifunctional device, i.e. a device capable of all of reading, reproducing, copying, facsimile transception, file transception
    • 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
    • H04N2201/03129—Transparent cover or transparent document support mounted on the head

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimiles In General (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Holders For Sensitive Materials And Originals (AREA)
JP2021105488A 2021-06-25 2021-06-25 画像読取装置及び画像形成装置 Active JP7718869B2 (ja)

Priority Applications (11)

Application Number Priority Date Filing Date Title
JP2021105488A JP7718869B2 (ja) 2021-06-25 2021-06-25 画像読取装置及び画像形成装置
US17/752,646 US11689675B2 (en) 2021-06-25 2022-05-24 Image reading apparatus and image forming apparatus
EP22176310.5A EP4109868B1 (en) 2021-06-25 2022-05-31 Image reading apparatus and image forming apparatus
EP24203809.9A EP4478697A3 (en) 2021-06-25 2022-05-31 Image reading apparatus and image forming apparatus
KR1020220075573A KR102849382B1 (ko) 2021-06-25 2022-06-21 화상 판독 장치 및 화상 형성 장치
CN202210711934.0A CN115524948B (zh) 2021-06-25 2022-06-22 图像读取设备和成像设备
CN202511127473.2A CN120972480A (zh) 2021-06-25 2022-06-22 图像读取设备和成像设备
CN202511127547.2A CN120972481A (zh) 2021-06-25 2022-06-22 图像读取设备和成像设备
US18/316,888 US12075012B2 (en) 2021-06-25 2023-05-12 Image reading apparatus and image forming apparatus
US18/785,432 US20240388666A1 (en) 2021-06-25 2024-07-26 Image reading apparatus and image forming apparatus
JP2025122649A JP2025146874A (ja) 2021-06-25 2025-07-22 画像読取装置及び画像形成装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021105488A JP7718869B2 (ja) 2021-06-25 2021-06-25 画像読取装置及び画像形成装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025122649A Division JP2025146874A (ja) 2021-06-25 2025-07-22 画像読取装置及び画像形成装置

Publications (3)

Publication Number Publication Date
JP2023004032A JP2023004032A (ja) 2023-01-17
JP2023004032A5 JP2023004032A5 (enExample) 2024-06-26
JP7718869B2 true JP7718869B2 (ja) 2025-08-05

Family

ID=81854811

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021105488A Active JP7718869B2 (ja) 2021-06-25 2021-06-25 画像読取装置及び画像形成装置
JP2025122649A Pending JP2025146874A (ja) 2021-06-25 2025-07-22 画像読取装置及び画像形成装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025122649A Pending JP2025146874A (ja) 2021-06-25 2025-07-22 画像読取装置及び画像形成装置

Country Status (5)

Country Link
US (3) US11689675B2 (enExample)
EP (2) EP4478697A3 (enExample)
JP (2) JP7718869B2 (enExample)
KR (1) KR102849382B1 (enExample)
CN (3) CN120972480A (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7250447B2 (ja) * 2018-06-27 2023-04-03 キヤノン株式会社 シート搬送装置、画像読取装置及び画像形成装置
JP7718869B2 (ja) 2021-06-25 2025-08-05 キヤノン株式会社 画像読取装置及び画像形成装置
US12486130B2 (en) * 2022-07-13 2025-12-02 Canon Kabushiki Kaisha Image reading apparatus and image forming apparatus including the same
US12335446B2 (en) * 2022-09-16 2025-06-17 Canon Kabushiki Kaisha Image reading apparatus and image forming apparatus comprising a reading portion, a first cover, a second cover and holding mechanism configured to prevent the first cover from moving to a second closed position and hold the first cover in the second open position
JP2024042831A (ja) * 2022-09-16 2024-03-29 キヤノン株式会社 画像読取装置及び画像形成装置
JPWO2024150764A1 (enExample) 2023-01-13 2024-07-18

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Publication number Priority date Publication date Assignee Title
JP2004099240A (ja) 2002-09-10 2004-04-02 Murata Mach Ltd 画像読取装置
JP2009118413A (ja) 2007-11-09 2009-05-28 Murata Mach Ltd 原稿読取装置
JP2009258360A (ja) 2008-04-16 2009-11-05 Murata Mach Ltd 自動原稿搬送装置及びこれを備える原稿読取装置
JP2009260477A (ja) 2008-04-14 2009-11-05 Murata Mach Ltd 原稿読取装置

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JPS62109554U (enExample) * 1985-12-25 1987-07-13
US7379700B2 (en) 2003-05-06 2008-05-27 Canon Kabushiki Kaisha Image reading apparatus with rotatable internal and external guides
JP4259325B2 (ja) 2004-01-05 2009-04-30 村田機械株式会社 自動原稿搬送装置
KR20060076573A (ko) * 2004-12-29 2006-07-04 삼성전자주식회사 화상형성기기
JP4500727B2 (ja) * 2005-04-28 2010-07-14 キヤノン株式会社 画像読取記録装置
JP2007174497A (ja) * 2005-12-26 2007-07-05 Ricoh Co Ltd 画像読取装置
US8072653B2 (en) * 2006-12-28 2011-12-06 Canon Kabushiki Kaisha Image reading and recording apparatus
KR20080064000A (ko) * 2007-01-03 2008-07-08 삼성전자주식회사 화상형성기기
JP4842190B2 (ja) * 2007-03-29 2011-12-21 キヤノン電子株式会社 画像読取装置、画像読取装置の制御方法、および制御プログラム
JP2010130422A (ja) * 2008-11-28 2010-06-10 Murata Machinery Ltd 自動原稿搬送装置
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JP6146298B2 (ja) * 2013-12-27 2017-06-14 ブラザー工業株式会社 シート搬送装置、及び画像読取装置
JP6358011B2 (ja) * 2014-09-22 2018-07-18 ブラザー工業株式会社 シート搬送装置、及び画像読取装置
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JP6512862B2 (ja) * 2015-02-26 2019-05-15 キヤノン株式会社 シート搬送装置、画像読取装置、画像形成装置及びセンサユニット
JP6328083B2 (ja) * 2015-09-07 2018-05-23 キヤノン株式会社 画像読取装置及び画像形成装置
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JP7114373B2 (ja) * 2018-07-06 2022-08-08 キヤノン株式会社 シート搬送装置、画像読取装置及び画像形成装置
CN112055125A (zh) * 2019-06-05 2020-12-08 佳能株式会社 片材传送装置、原稿读取装置和成像设备
JP7358092B2 (ja) * 2019-07-05 2023-10-10 キヤノン株式会社 画像形成装置
US11388302B2 (en) * 2020-04-30 2022-07-12 Canon Kabushiki Kaisha Image forming apparatus
JP7547969B2 (ja) * 2020-12-09 2024-09-10 セイコーエプソン株式会社 画像読取装置
JP7718869B2 (ja) * 2021-06-25 2025-08-05 キヤノン株式会社 画像読取装置及び画像形成装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004099240A (ja) 2002-09-10 2004-04-02 Murata Mach Ltd 画像読取装置
JP2009118413A (ja) 2007-11-09 2009-05-28 Murata Mach Ltd 原稿読取装置
JP2009260477A (ja) 2008-04-14 2009-11-05 Murata Mach Ltd 原稿読取装置
JP2009258360A (ja) 2008-04-16 2009-11-05 Murata Mach Ltd 自動原稿搬送装置及びこれを備える原稿読取装置

Also Published As

Publication number Publication date
US11689675B2 (en) 2023-06-27
KR20230000974A (ko) 2023-01-03
JP2025146874A (ja) 2025-10-03
EP4478697A3 (en) 2025-03-05
US20220417374A1 (en) 2022-12-29
US20240388666A1 (en) 2024-11-21
EP4109868B1 (en) 2024-12-04
CN115524948A (zh) 2022-12-27
EP4109868A1 (en) 2022-12-28
US12075012B2 (en) 2024-08-27
EP4109868C0 (en) 2024-12-04
JP2023004032A (ja) 2023-01-17
CN115524948B (zh) 2025-08-19
US20230283724A1 (en) 2023-09-07
KR102849382B1 (ko) 2025-08-25
EP4478697A2 (en) 2024-12-18
CN120972481A (zh) 2025-11-18
CN120972480A (zh) 2025-11-18

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