JPS51111379A - Automatic defect-detecting device - Google Patents

Automatic defect-detecting device

Info

Publication number
JPS51111379A
JPS51111379A JP3644975A JP3644975A JPS51111379A JP S51111379 A JPS51111379 A JP S51111379A JP 3644975 A JP3644975 A JP 3644975A JP 3644975 A JP3644975 A JP 3644975A JP S51111379 A JPS51111379 A JP S51111379A
Authority
JP
Japan
Prior art keywords
detecting device
automatic defect
defect
automatic
investingating
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.)
Pending
Application number
JP3644975A
Other languages
Japanese (ja)
Inventor
Mikio Ishiyama
Noriyuki Matsubara
Yoshito Tanaka
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 JP3644975A priority Critical patent/JPS51111379A/en
Publication of JPS51111379A publication Critical patent/JPS51111379A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

PURPOSE: To detect accurately the number of pulsed from defects indifferent to the running speed of the investingating material.
COPYRIGHT: (C)1976,JPO&Japio
JP3644975A 1975-03-26 1975-03-26 Automatic defect-detecting device Pending JPS51111379A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3644975A JPS51111379A (en) 1975-03-26 1975-03-26 Automatic defect-detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3644975A JPS51111379A (en) 1975-03-26 1975-03-26 Automatic defect-detecting device

Publications (1)

Publication Number Publication Date
JPS51111379A true JPS51111379A (en) 1976-10-01

Family

ID=12470109

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3644975A Pending JPS51111379A (en) 1975-03-26 1975-03-26 Automatic defect-detecting device

Country Status (1)

Country Link
JP (1) JPS51111379A (en)

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