JPS56120901A - Measuring device for position of hole edge - Google Patents

Measuring device for position of hole edge

Info

Publication number
JPS56120901A
JPS56120901A JP2457880A JP2457880A JPS56120901A JP S56120901 A JPS56120901 A JP S56120901A JP 2457880 A JP2457880 A JP 2457880A JP 2457880 A JP2457880 A JP 2457880A JP S56120901 A JPS56120901 A JP S56120901A
Authority
JP
Japan
Prior art keywords
hole edge
projector
image sensor
work
hole
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
JP2457880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS628123B2 (enExample
Inventor
Kazumi Kagami
Akira Isobe
Koji Tsuchiya
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.)
Toyoda Koki KK
Original Assignee
Toyoda Koki KK
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 Toyoda Koki KK filed Critical Toyoda Koki KK
Priority to JP2457880A priority Critical patent/JPS56120901A/ja
Publication of JPS56120901A publication Critical patent/JPS56120901A/ja
Publication of JPS628123B2 publication Critical patent/JPS628123B2/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
    • G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP2457880A 1980-02-28 1980-02-28 Measuring device for position of hole edge Granted JPS56120901A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2457880A JPS56120901A (en) 1980-02-28 1980-02-28 Measuring device for position of hole edge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2457880A JPS56120901A (en) 1980-02-28 1980-02-28 Measuring device for position of hole edge

Publications (2)

Publication Number Publication Date
JPS56120901A true JPS56120901A (en) 1981-09-22
JPS628123B2 JPS628123B2 (enExample) 1987-02-20

Family

ID=12142041

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2457880A Granted JPS56120901A (en) 1980-02-28 1980-02-28 Measuring device for position of hole edge

Country Status (1)

Country Link
JP (1) JPS56120901A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59155703A (ja) * 1983-02-25 1984-09-04 Nisshin Steel Co Ltd 透過光による間隙位置検出装置
US7577532B2 (en) 2004-06-23 2009-08-18 Bridgestone Corporation Tire wear detection system and pneumatic tire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59155703A (ja) * 1983-02-25 1984-09-04 Nisshin Steel Co Ltd 透過光による間隙位置検出装置
US7577532B2 (en) 2004-06-23 2009-08-18 Bridgestone Corporation Tire wear detection system and pneumatic tire

Also Published As

Publication number Publication date
JPS628123B2 (enExample) 1987-02-20

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