JPH01179246U - - Google Patents

Info

Publication number
JPH01179246U
JPH01179246U JP7665188U JP7665188U JPH01179246U JP H01179246 U JPH01179246 U JP H01179246U JP 7665188 U JP7665188 U JP 7665188U JP 7665188 U JP7665188 U JP 7665188U JP H01179246 U JPH01179246 U JP H01179246U
Authority
JP
Japan
Prior art keywords
crack
image signal
differential
inspected
outputs
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
JP7665188U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP7665188U priority Critical patent/JPH01179246U/ja
Publication of JPH01179246U publication Critical patent/JPH01179246U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP7665188U 1988-06-09 1988-06-09 Pending JPH01179246U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7665188U JPH01179246U (enrdf_load_stackoverflow) 1988-06-09 1988-06-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7665188U JPH01179246U (enrdf_load_stackoverflow) 1988-06-09 1988-06-09

Publications (1)

Publication Number Publication Date
JPH01179246U true JPH01179246U (enrdf_load_stackoverflow) 1989-12-22

Family

ID=31301665

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7665188U Pending JPH01179246U (enrdf_load_stackoverflow) 1988-06-09 1988-06-09

Country Status (1)

Country Link
JP (1) JPH01179246U (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107183A (en) * 1975-03-17 1976-09-22 Konan Camera Res Inst Jidotanshohoho oyobi sochi
JPS5546161A (en) * 1978-09-28 1980-03-31 Kawasaki Steel Corp Detection method for flaw on surface of steel material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107183A (en) * 1975-03-17 1976-09-22 Konan Camera Res Inst Jidotanshohoho oyobi sochi
JPS5546161A (en) * 1978-09-28 1980-03-31 Kawasaki Steel Corp Detection method for flaw on surface of steel material

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