JPS57142502A - Detector for width and zigzag movement of laminar object - Google Patents

Detector for width and zigzag movement of laminar object

Info

Publication number
JPS57142502A
JPS57142502A JP2702881A JP2702881A JPS57142502A JP S57142502 A JPS57142502 A JP S57142502A JP 2702881 A JP2702881 A JP 2702881A JP 2702881 A JP2702881 A JP 2702881A JP S57142502 A JPS57142502 A JP S57142502A
Authority
JP
Japan
Prior art keywords
width
laminar object
laminar
projectors
collectors
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
JP2702881A
Other languages
English (en)
Other versions
JPS6244202B2 (ja
Inventor
Sunao Hashimoto
Yoshihiko Iida
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2702881A priority Critical patent/JPS57142502A/ja
Publication of JPS57142502A publication Critical patent/JPS57142502A/ja
Publication of JPS6244202B2 publication Critical patent/JPS6244202B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • G01B11/046—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring width

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP2702881A 1981-02-27 1981-02-27 Detector for width and zigzag movement of laminar object Granted JPS57142502A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2702881A JPS57142502A (en) 1981-02-27 1981-02-27 Detector for width and zigzag movement of laminar object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2702881A JPS57142502A (en) 1981-02-27 1981-02-27 Detector for width and zigzag movement of laminar object

Publications (2)

Publication Number Publication Date
JPS57142502A true JPS57142502A (en) 1982-09-03
JPS6244202B2 JPS6244202B2 (ja) 1987-09-18

Family

ID=12209611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2702881A Granted JPS57142502A (en) 1981-02-27 1981-02-27 Detector for width and zigzag movement of laminar object

Country Status (1)

Country Link
JP (1) JPS57142502A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5997934U (ja) * 1982-12-20 1984-07-03 オムロン株式会社 紙葉類識別装置
JPS6125002A (ja) * 1984-07-13 1986-02-03 Matsushita Electric Ind Co Ltd 部品検出装置
FR2612629A1 (fr) * 1987-03-16 1988-09-23 Usinor Aciers Dispositif de releve du contour d'un objet tel que notamment une tole
US4989164A (en) * 1987-05-29 1991-01-29 Tfk Process and device for determining the camber of a sheet
JP2002174507A (ja) * 2000-12-08 2002-06-21 Nisshin Steel Co Ltd 金属帯のエッジ位置検出装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5997934U (ja) * 1982-12-20 1984-07-03 オムロン株式会社 紙葉類識別装置
JPS6125002A (ja) * 1984-07-13 1986-02-03 Matsushita Electric Ind Co Ltd 部品検出装置
FR2612629A1 (fr) * 1987-03-16 1988-09-23 Usinor Aciers Dispositif de releve du contour d'un objet tel que notamment une tole
US4989164A (en) * 1987-05-29 1991-01-29 Tfk Process and device for determining the camber of a sheet
JP2002174507A (ja) * 2000-12-08 2002-06-21 Nisshin Steel Co Ltd 金属帯のエッジ位置検出装置

Also Published As

Publication number Publication date
JPS6244202B2 (ja) 1987-09-18

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