JPS6355656B2 - - Google Patents

Info

Publication number
JPS6355656B2
JPS6355656B2 JP56009637A JP963781A JPS6355656B2 JP S6355656 B2 JPS6355656 B2 JP S6355656B2 JP 56009637 A JP56009637 A JP 56009637A JP 963781 A JP963781 A JP 963781A JP S6355656 B2 JPS6355656 B2 JP S6355656B2
Authority
JP
Japan
Prior art keywords
circuit
pulse
seam
signal
output
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
Application number
JP56009637A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57125304A (en
Inventor
Michiaki Myagawa
Yutaka Yunoki
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP963781A priority Critical patent/JPS57125304A/ja
Publication of JPS57125304A publication Critical patent/JPS57125304A/ja
Publication of JPS6355656B2 publication Critical patent/JPS6355656B2/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
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP963781A 1981-01-27 1981-01-27 Device for checking surface of cylindrical body Granted JPS57125304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP963781A JPS57125304A (en) 1981-01-27 1981-01-27 Device for checking surface of cylindrical body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP963781A JPS57125304A (en) 1981-01-27 1981-01-27 Device for checking surface of cylindrical body

Publications (2)

Publication Number Publication Date
JPS57125304A JPS57125304A (en) 1982-08-04
JPS6355656B2 true JPS6355656B2 (en]) 1988-11-04

Family

ID=11725738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP963781A Granted JPS57125304A (en) 1981-01-27 1981-01-27 Device for checking surface of cylindrical body

Country Status (1)

Country Link
JP (1) JPS57125304A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61172006A (ja) * 1985-01-25 1986-08-02 Nippon Steel Corp 溶接管の溶接部段差測定方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229516A (en) * 1978-10-02 1980-10-21 Eastman Kodak Company Photographic material with temporary barrier layer comprising a mixture of vinylidene chloride terpolymer and polymeric carboxy-ester-lactone and photographic transfer process therefor

Also Published As

Publication number Publication date
JPS57125304A (en) 1982-08-04

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