JPS5977430A - 複写機の原稿サイズ検知装置 - Google Patents

複写機の原稿サイズ検知装置

Info

Publication number
JPS5977430A
JPS5977430A JP57187966A JP18796682A JPS5977430A JP S5977430 A JPS5977430 A JP S5977430A JP 57187966 A JP57187966 A JP 57187966A JP 18796682 A JP18796682 A JP 18796682A JP S5977430 A JPS5977430 A JP S5977430A
Authority
JP
Japan
Prior art keywords
light
size
output
document
original
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.)
Granted
Application number
JP57187966A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6410818B2 (en]
Inventor
Masakiyo Okuda
奥田 雅清
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.)
Sharp Corp
Original Assignee
Sharp 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
Priority to US06/542,211 priority Critical patent/US4572650A/en
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP57187966A priority patent/JPS5977430A/ja
Publication of JPS5977430A publication Critical patent/JPS5977430A/ja
Publication of JPS6410818B2 publication Critical patent/JPS6410818B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/60Apparatus which relate to the handling of originals
    • G03G15/607Apparatus which relate to the handling of originals for detecting size, presence or position of original
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/00172Apparatus for electrophotographic processes relative to the original handling
    • G03G2215/00177Apparatus for electrophotographic processes relative to the original handling for scanning
    • G03G2215/00181Apparatus for electrophotographic processes relative to the original handling for scanning concerning the original's state of motion
    • G03G2215/00185Apparatus for electrophotographic processes relative to the original handling for scanning concerning the original's state of motion original at rest

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holders For Sensitive Materials And Originals (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP57187966A 1982-10-25 1982-10-25 複写機の原稿サイズ検知装置 Granted JPS5977430A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US06/542,211 US4572650A (en) 1982-10-25 1982-10-14 Size detecting device of a copy document suitable for electrophotographic copying machine
JP57187966A JPS5977430A (ja) 1982-10-25 1982-10-25 複写機の原稿サイズ検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57187966A JPS5977430A (ja) 1982-10-25 1982-10-25 複写機の原稿サイズ検知装置

Publications (2)

Publication Number Publication Date
JPS5977430A true JPS5977430A (ja) 1984-05-02
JPS6410818B2 JPS6410818B2 (en]) 1989-02-22

Family

ID=16215266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57187966A Granted JPS5977430A (ja) 1982-10-25 1982-10-25 複写機の原稿サイズ検知装置

Country Status (2)

Country Link
US (1) US4572650A (en])
JP (1) JPS5977430A (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02140603A (ja) * 1988-11-22 1990-05-30 Sharp Corp 原稿検知装置
US4954846A (en) * 1988-11-22 1990-09-04 Sharp Kabushiki Kaisha Detecting device for detecting the size and/or presence of an original document

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698511A (en) * 1984-11-08 1987-10-06 Canon Kabushiki Kaisha Document sheet size or position recognition device
DE3622972A1 (de) * 1985-07-11 1987-01-22 Toshiba Kawasaki Kk Abbildungsgeraet
US4713550A (en) * 1985-10-08 1987-12-15 Sharp Kabushiki Kaisha Document size detection apparatus
JPH04372806A (ja) * 1991-06-24 1992-12-25 Mita Ind Co Ltd 原稿サイズ検知装置
JP3179857B2 (ja) * 1991-11-14 2001-06-25 株式会社リコー 原稿サイズ検知装置
KR0159724B1 (ko) * 1996-06-05 1999-05-01 김광호 용지폭에 따른 축소인자방법과 시리얼 프린터
US5805291A (en) * 1996-08-14 1998-09-08 Systronics, Inc. Traversing thickness measurement apparatus and related method
US7554698B2 (en) * 2000-09-15 2009-06-30 Sharp Laboratories Of America, Inc. Robust document boundary determination
US6987880B2 (en) * 2001-03-22 2006-01-17 Sharp Laboratories Of America, Inc. Efficient document boundary determination
US7161706B2 (en) * 2001-03-30 2007-01-09 Sharp Laboratories Of America, Inc. System for improving digital coplers and multifunction peripheral devices

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5622424A (en) * 1979-08-01 1981-03-03 Konishiroku Photo Ind Co Ltd Original size detecting unit of copying machine
US4341460A (en) * 1979-09-07 1982-07-27 Tokyo Shibaura Denki Kabushiki Kaisha Electronic copying machine
JPH0228529Y2 (en]) * 1981-06-19 1990-07-31

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02140603A (ja) * 1988-11-22 1990-05-30 Sharp Corp 原稿検知装置
US4954846A (en) * 1988-11-22 1990-09-04 Sharp Kabushiki Kaisha Detecting device for detecting the size and/or presence of an original document

Also Published As

Publication number Publication date
JPS6410818B2 (en]) 1989-02-22
US4572650A (en) 1986-02-25

Similar Documents

Publication Publication Date Title
JPS5977430A (ja) 複写機の原稿サイズ検知装置
JP5690783B2 (ja) 画像読取装置及び画像形成装置
US7929186B2 (en) Image reading apparatus and image recording apparatus
US3987413A (en) Detection system
KR100816294B1 (ko) 두 개의 포토다이오드를 갖는 엑스선 촬영장치의트리거회로
JPS5895367A (ja) 複写機
JPH0236948B2 (en])
JPS608492B2 (ja) 複写機の原稿サイズ検知装置
US10652414B2 (en) Scanner apparatus having an optical sensor
JPH0627546A (ja) 原稿読取装置の原稿サイズ検出センサ
JPS5997133A (ja) オリジナルの背景と映像域の双方の光学濃度を測定する装置
US3805063A (en) Detecting device for focusing in optical instrument
JPH02101593A (ja) マーク読取回路
JP6012370B2 (ja) 画像読取装置、画像形成装置
JPS5911091B2 (ja) 複写機
JP2843223B2 (ja) 原稿読取装置の原稿サイズ検出機構
JPH03267243A (ja) 画像形成装置
JPS6151820B2 (en])
JPH0444101A (ja) オートスライス装置
JPH04170158A (ja) 画像読取装置
JPS59119964A (ja) 光学読取装置における原稿セツト異常検出方式
JP2008111893A (ja) 原稿検出装置及び画像形成装置
JPS5848561A (ja) Ccdホトセンサの蓄積時間制御回路
JPS6141435B2 (en])
JPH02166578A (ja) 明暗信号の2値化回路