JPS55135739A - Digital display unit for defective area by ultrasonic wave flaw detecting method - Google Patents

Digital display unit for defective area by ultrasonic wave flaw detecting method

Info

Publication number
JPS55135739A
JPS55135739A JP4302879A JP4302879A JPS55135739A JP S55135739 A JPS55135739 A JP S55135739A JP 4302879 A JP4302879 A JP 4302879A JP 4302879 A JP4302879 A JP 4302879A JP S55135739 A JPS55135739 A JP S55135739A
Authority
JP
Japan
Prior art keywords
echo
defective
area
circuit
digital display
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.)
Granted
Application number
JP4302879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235066B2 (enExample
Inventor
Masayoshi Hamano
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.)
Canon Holosonics Inc
Original Assignee
Canon Holosonics Inc
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 Canon Holosonics Inc filed Critical Canon Holosonics Inc
Priority to JP4302879A priority Critical patent/JPS55135739A/ja
Publication of JPS55135739A publication Critical patent/JPS55135739A/ja
Publication of JPS6235066B2 publication Critical patent/JPS6235066B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP4302879A 1979-04-11 1979-04-11 Digital display unit for defective area by ultrasonic wave flaw detecting method Granted JPS55135739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4302879A JPS55135739A (en) 1979-04-11 1979-04-11 Digital display unit for defective area by ultrasonic wave flaw detecting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4302879A JPS55135739A (en) 1979-04-11 1979-04-11 Digital display unit for defective area by ultrasonic wave flaw detecting method

Publications (2)

Publication Number Publication Date
JPS55135739A true JPS55135739A (en) 1980-10-22
JPS6235066B2 JPS6235066B2 (enExample) 1987-07-30

Family

ID=12652488

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4302879A Granted JPS55135739A (en) 1979-04-11 1979-04-11 Digital display unit for defective area by ultrasonic wave flaw detecting method

Country Status (1)

Country Link
JP (1) JPS55135739A (enExample)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50136088A (enExample) * 1974-04-16 1975-10-28
JPS52123290A (en) * 1976-04-09 1977-10-17 Hitachi Ltd Defect length measuring device
JPS5433086A (en) * 1977-08-19 1979-03-10 Hitachi Ltd Defect area rate measuring apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50136088A (enExample) * 1974-04-16 1975-10-28
JPS52123290A (en) * 1976-04-09 1977-10-17 Hitachi Ltd Defect length measuring device
JPS5433086A (en) * 1977-08-19 1979-03-10 Hitachi Ltd Defect area rate measuring apparatus

Also Published As

Publication number Publication date
JPS6235066B2 (enExample) 1987-07-30

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