JPH0477843B2 - - Google Patents

Info

Publication number
JPH0477843B2
JPH0477843B2 JP59128963A JP12896384A JPH0477843B2 JP H0477843 B2 JPH0477843 B2 JP H0477843B2 JP 59128963 A JP59128963 A JP 59128963A JP 12896384 A JP12896384 A JP 12896384A JP H0477843 B2 JPH0477843 B2 JP H0477843B2
Authority
JP
Japan
Prior art keywords
flaw detection
steel plate
flaw
detection device
primary
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
JP59128963A
Other languages
English (en)
Japanese (ja)
Other versions
JPS618610A (ja
Inventor
Hirokatsu Kato
Shuji Matsumoto
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP59128963A priority Critical patent/JPS618610A/ja
Publication of JPS618610A publication Critical patent/JPS618610A/ja
Publication of JPH0477843B2 publication Critical patent/JPH0477843B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Closed-Circuit Television Systems (AREA)
JP59128963A 1984-06-22 1984-06-22 鋼板表面検査装置 Granted JPS618610A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59128963A JPS618610A (ja) 1984-06-22 1984-06-22 鋼板表面検査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59128963A JPS618610A (ja) 1984-06-22 1984-06-22 鋼板表面検査装置

Publications (2)

Publication Number Publication Date
JPS618610A JPS618610A (ja) 1986-01-16
JPH0477843B2 true JPH0477843B2 (enrdf_load_stackoverflow) 1992-12-09

Family

ID=14997742

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59128963A Granted JPS618610A (ja) 1984-06-22 1984-06-22 鋼板表面検査装置

Country Status (1)

Country Link
JP (1) JPS618610A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2623115B2 (ja) * 1988-05-18 1997-06-25 三菱電機株式会社 外観検査装置
JPH02269943A (ja) * 1989-04-11 1990-11-05 Mitsubishi Electric Corp 半導体装置の外観検査装置
JP2003344013A (ja) * 2002-05-31 2003-12-03 Tomoegawa Paper Co Ltd 位置検出又は外観検査装置、並びに位置検出又は外観検査方法
JP5031691B2 (ja) * 2008-07-17 2012-09-19 新日本製鐵株式会社 表面疵検査装置
JP5488953B2 (ja) * 2008-09-17 2014-05-14 新日鐵住金株式会社 凹凸疵検査方法及び装置
JP7276263B2 (ja) * 2020-06-30 2023-05-18 Ｊｆｅスチール株式会社 表面検査装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334586A (en) * 1976-09-10 1978-03-31 Ishikawajima Harima Heavy Ind Method of and apparatus for detecting surface flaw

Also Published As

Publication number Publication date
JPS618610A (ja) 1986-01-16

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