JPH02131659U - - Google Patents

Info

Publication number
JPH02131659U
JPH02131659U JP4011789U JP4011789U JPH02131659U JP H02131659 U JPH02131659 U JP H02131659U JP 4011789 U JP4011789 U JP 4011789U JP 4011789 U JP4011789 U JP 4011789U JP H02131659 U JPH02131659 U JP H02131659U
Authority
JP
Japan
Prior art keywords
value
defect detection
counter
detection circuit
defect
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
JP4011789U
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 JP4011789U priority Critical patent/JPH02131659U/ja
Publication of JPH02131659U publication Critical patent/JPH02131659U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP4011789U 1989-04-05 1989-04-05 Pending JPH02131659U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4011789U JPH02131659U (enExample) 1989-04-05 1989-04-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4011789U JPH02131659U (enExample) 1989-04-05 1989-04-05

Publications (1)

Publication Number Publication Date
JPH02131659U true JPH02131659U (enExample) 1990-11-01

Family

ID=31549627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4011789U Pending JPH02131659U (enExample) 1989-04-05 1989-04-05

Country Status (1)

Country Link
JP (1) JPH02131659U (enExample)

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