JPS52123290A - Defect length measuring device - Google Patents

Defect length measuring device

Info

Publication number
JPS52123290A
JPS52123290A JP3934776A JP3934776A JPS52123290A JP S52123290 A JPS52123290 A JP S52123290A JP 3934776 A JP3934776 A JP 3934776A JP 3934776 A JP3934776 A JP 3934776A JP S52123290 A JPS52123290 A JP S52123290A
Authority
JP
Japan
Prior art keywords
measuring device
length measuring
defect length
defect
scanning
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
JP3934776A
Other languages
Japanese (ja)
Inventor
Fuminobu Takahashi
Yoshihiro Michiguchi
Kazumichi Suzuki
Takahiro Kanamori
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3934776A priority Critical patent/JPS52123290A/en
Publication of JPS52123290A publication Critical patent/JPS52123290A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To measure the length of a defect with the use of an ultrasonic flaw detector of scanning type by counting the drive pulses of a pulse motor during the period while the reflected wave is being detected from the defect with a locator being moved for scanning.
COPYRIGHT: (C)1977,JPO&Japio
JP3934776A 1976-04-09 1976-04-09 Defect length measuring device Pending JPS52123290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3934776A JPS52123290A (en) 1976-04-09 1976-04-09 Defect length measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3934776A JPS52123290A (en) 1976-04-09 1976-04-09 Defect length measuring device

Publications (1)

Publication Number Publication Date
JPS52123290A true JPS52123290A (en) 1977-10-17

Family

ID=12550533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3934776A Pending JPS52123290A (en) 1976-04-09 1976-04-09 Defect length measuring device

Country Status (1)

Country Link
JP (1) JPS52123290A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55135739A (en) * 1979-04-11 1980-10-22 Canon Horosonitsukusu Kk Digital display unit for defective area by ultrasonic wave flaw detecting method
JPS6330757A (en) * 1986-07-24 1988-02-09 Toshiba Corp Ultrasonic flaw detection test

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55135739A (en) * 1979-04-11 1980-10-22 Canon Horosonitsukusu Kk Digital display unit for defective area by ultrasonic wave flaw detecting method
JPS6235066B2 (en) * 1979-04-11 1987-07-30 Kyanon Horosonitsukusu Kk
JPS6330757A (en) * 1986-07-24 1988-02-09 Toshiba Corp Ultrasonic flaw detection test

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