DE60238290D1 - Leistungsregler für photoelektrische Fühler eines Vorlagenzuführgeräts - Google Patents

Leistungsregler für photoelektrische Fühler eines Vorlagenzuführgeräts

Info

Publication number
DE60238290D1
DE60238290D1 DE60238290T DE60238290T DE60238290D1 DE 60238290 D1 DE60238290 D1 DE 60238290D1 DE 60238290 T DE60238290 T DE 60238290T DE 60238290 T DE60238290 T DE 60238290T DE 60238290 D1 DE60238290 D1 DE 60238290D1
Authority
DE
Germany
Prior art keywords
document feeder
power regulator
photoelectric sensors
photoelectric
sensors
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 - Lifetime
Application number
DE60238290T
Other languages
English (en)
Inventor
Takayuki Fujii
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
Application granted granted Critical
Publication of DE60238290D1 publication Critical patent/DE60238290D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G03G15/60—Apparatus which relate to the handling of originals
    • G03G15/607—Apparatus which relate to the handling of originals for detecting size, presence or position of original
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/50—Lighting effects
    • G06T15/506—Illumination models
    • 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
    • H04N1/00572—Conveying sheets before or after scanning with refeeding for double-sided scanning, e.g. using one scanning head for both sides of a sheet
    • H04N1/00575—Inverting the sheet prior to refeeding
    • H04N1/00578—Inverting the sheet prior to refeeding using at least part of a loop, e.g. using a return loop
    • 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
    • H04N1/00572—Conveying sheets before or after scanning with refeeding for double-sided scanning, e.g. using one scanning head for both sides of a sheet
    • H04N1/00575—Inverting the sheet prior to refeeding
    • H04N1/0058—Inverting the sheet prior to refeeding using at least one dead-end path, e.g. using a sheet ejection path
    • 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
    • H04N1/00591—Conveying sheets before or after scanning from 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
    • H04N1/0062—Removing sheets from a stack or inputting media
    • H04N1/00623—Selectively inputting media from one of a plurality of input sources, e.g. input trays
    • 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
    • H04N1/00631—Ejecting or stacking
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00684—Object of the detection
    • H04N1/00687—Presence or absence
    • H04N1/00694—Presence or absence in an input tray
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00684—Object of the detection
    • H04N1/00702—Position
    • H04N1/00705—Position at a plurality of spaced apart locations, e.g. as a sheet is fed through the apparatus
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00729—Detection means
    • H04N1/00734—Optical detectors
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00742—Detection methods
    • H04N1/00745—Detecting the leading or trailing ends of a moving sheet
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00742—Detection methods
    • H04N1/00755—Detecting an interruption of light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/02—Function indicators indicating an entity which is controlled, adjusted or changed by a control process, i.e. output
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/515—Absence
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • 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
    • G03G2215/00172—Apparatus for electrophotographic processes relative to the original handling
    • G03G2215/00324—Document property detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Graphics (AREA)
  • Theoretical Computer Science (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
DE60238290T 2001-03-12 2002-03-11 Leistungsregler für photoelektrische Fühler eines Vorlagenzuführgeräts Expired - Lifetime DE60238290D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001068473 2001-03-12

Publications (1)

Publication Number Publication Date
DE60238290D1 true DE60238290D1 (de) 2010-12-30

Family

ID=18926660

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60238290T Expired - Lifetime DE60238290D1 (de) 2001-03-12 2002-03-11 Leistungsregler für photoelektrische Fühler eines Vorlagenzuführgeräts

Country Status (5)

Country Link
US (2) US6647240B2 (de)
EP (1) EP1251407B1 (de)
KR (1) KR100473132B1 (de)
CN (1) CN1249536C (de)
DE (1) DE60238290D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004026320A (ja) 2002-06-21 2004-01-29 Canon Inc シート厚検知装置及び該装置を備えたシート処理装置と画像形成装置
JP3687634B2 (ja) * 2002-07-26 2005-08-24 ブラザー工業株式会社 プリンタ
JP4072495B2 (ja) * 2003-12-15 2008-04-09 キヤノン株式会社 シート検出装置
JP4351932B2 (ja) * 2004-02-27 2009-10-28 キヤノン株式会社 自動原稿搬送装置、画像読み取り装置及び画像形成装置
JP2005263457A (ja) * 2004-03-19 2005-09-29 Canon Inc 後処理装置、その制御方法、プログラムおよび記憶媒体
CN100382556C (zh) * 2004-11-12 2008-04-16 虹光精密工业（苏州）有限公司 具有红外线感应器的进纸器
US7455286B2 (en) 2005-06-28 2008-11-25 Hewlett-Packard Development Company, L.P. Sheet separation using two torque motors
JP4654809B2 (ja) * 2005-07-21 2011-03-23 富士ゼロックス株式会社 定着装置及び画像形成装置
JP5473423B2 (ja) * 2008-06-18 2014-04-16 キヤノン株式会社 インサータ及び画像形成システム
JP5331775B2 (ja) * 2010-10-28 2013-10-30 京セラドキュメントソリューションズ株式会社 原稿送り装置及びこれを備えた画像形成装置
KR101439186B1 (ko) * 2011-11-09 2014-09-12 교세라 도큐멘트 솔루션즈 가부시키가이샤 원고 반송부를 구비한 화상 형성 장치
JP6452421B2 (ja) 2014-12-08 2019-01-16 キヤノン株式会社 画像形成装置
JP7035415B2 (ja) * 2017-09-28 2022-03-15 セイコーエプソン株式会社 媒体搬送装置、記録装置
JP7148867B2 (ja) * 2018-11-30 2022-10-06 セイコーエプソン株式会社 媒体搬送装置、画像読取装置、搬送制御方法

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Publication number Priority date Publication date Assignee Title
US3909128A (en) * 1973-08-31 1975-09-30 Xerox Corp Control logic for changing a multi-mode copier/duplicator from one mode to another
JPS5526156A (en) 1978-08-14 1980-02-25 Ricoh Co Ltd Sheet condition detecting method
US4740686A (en) 1986-09-09 1988-04-26 The Perkin-Elmer Corporation Optical sensor circuitry
US5283424A (en) 1992-10-19 1994-02-01 Xerox Corporation Optical paper sensor having alterable sensitivity and illumination intensity
JP3026917B2 (ja) 1994-09-30 2000-03-27 キヤノン株式会社 原稿自動給送装置及びそれを備えた画像形成装置
JP3491868B2 (ja) 1996-07-20 2004-01-26 株式会社リコー 原稿検知装置
US6021305A (en) 1996-09-30 2000-02-01 Canon Kabushiki Kaisha Sheet original conveying apparatus for duplex copying
JP3745045B2 (ja) 1996-09-30 2006-02-15 キヤノン株式会社 原稿表裏反転装置を備える原稿搬送装置及び画像形成装置
EP0842880B1 (de) 1996-11-18 2003-10-29 Canon Kabushiki Kaisha Bilderzeugungsgerät
JP3332799B2 (ja) * 1997-05-26 2002-10-07 株式会社東芝 画像読取装置と画像形成装置
JPH11109798A (ja) * 1997-10-07 1999-04-23 Canon Inc 画像形成装置
US6091927A (en) * 1997-11-17 2000-07-18 Ricoh Company, Ltd. Apparatus and method for feeding documents to an image forming apparatus, scanner, or the like
KR19990049391A (ko) * 1997-12-12 1999-07-05 윤종용 인쇄기기의 기록지 공급장치
JPH11212425A (ja) 1998-01-27 1999-08-06 Canon Inc 画像形成装置および原稿給送装置および用紙搬送装置
JP3463915B2 (ja) * 1998-02-19 2003-11-05 株式会社リコー 給紙装置
JP2000289885A (ja) 1999-04-01 2000-10-17 Canon Inc シート搬送装置、画像形成装置及びその制御方法
JP2001058754A (ja) * 1999-06-08 2001-03-06 Ricoh Co Ltd シート仕分け装置及びシート排紙装置
JP4571326B2 (ja) 2001-03-27 2010-10-27 株式会社カネカ 太陽電池モジュール

Also Published As

Publication number Publication date
US20020127037A1 (en) 2002-09-12
US6952537B2 (en) 2005-10-04
KR100473132B1 (ko) 2005-03-09
CN1249536C (zh) 2006-04-05
EP1251407B1 (de) 2010-11-17
EP1251407A3 (de) 2002-10-30
EP1251407A2 (de) 2002-10-23
KR20020072783A (ko) 2002-09-18
CN1375748A (zh) 2002-10-23
US20040047008A1 (en) 2004-03-11
US6647240B2 (en) 2003-11-11

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