JPH0422468B2 - - Google Patents

Info

Publication number
JPH0422468B2
JPH0422468B2 JP60043676A JP4367685A JPH0422468B2 JP H0422468 B2 JPH0422468 B2 JP H0422468B2 JP 60043676 A JP60043676 A JP 60043676A JP 4367685 A JP4367685 A JP 4367685A JP H0422468 B2 JPH0422468 B2 JP H0422468B2
Authority
JP
Japan
Prior art keywords
time
counter
electroacoustic transducer
propagation time
electroacoustic
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.)
Expired - Lifetime
Application number
JP60043676A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61204523A (ja
Inventor
Hanji Sushi
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.)
DAIYA MED SYST
Original Assignee
DAIYA MED SYST
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 DAIYA MED SYST filed Critical DAIYA MED SYST
Priority to JP60043676A priority Critical patent/JPS61204523A/ja
Publication of JPS61204523A publication Critical patent/JPS61204523A/ja
Publication of JPH0422468B2 publication Critical patent/JPH0422468B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H5/00—Measuring propagation velocity of ultrasonic, sonic or infrasonic waves, e.g. of pressure waves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP60043676A 1985-03-07 1985-03-07 弾性波伝播時間測定装置 Granted JPS61204523A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60043676A JPS61204523A (ja) 1985-03-07 1985-03-07 弾性波伝播時間測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60043676A JPS61204523A (ja) 1985-03-07 1985-03-07 弾性波伝播時間測定装置

Publications (2)

Publication Number Publication Date
JPS61204523A JPS61204523A (ja) 1986-09-10
JPH0422468B2 true JPH0422468B2 (OSRAM) 1992-04-17

Family

ID=12670441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60043676A Granted JPS61204523A (ja) 1985-03-07 1985-03-07 弾性波伝播時間測定装置

Country Status (1)

Country Link
JP (1) JPS61204523A (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1299727C (en) * 1989-03-06 1992-04-28 David Donald Caulfield Acoustic detection apparatus
JPH0750078B2 (ja) * 1989-03-10 1995-05-31 リオン株式会社 超音波測定方法及びそのための超音波測定器
DE10084306B4 (de) 1999-03-01 2006-02-02 H & B System Co., Ltd. Ultraschallerfassungsgerät und ein dieses verwendendes Ultraschallerfassungsverfahren

Also Published As

Publication number Publication date
JPS61204523A (ja) 1986-09-10

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