JPS61204523A - 弾性波伝播時間測定装置 - Google Patents

弾性波伝播時間測定装置

Info

Publication number
JPS61204523A
JPS61204523A JP60043676A JP4367685A JPS61204523A JP S61204523 A JPS61204523 A JP S61204523A JP 60043676 A JP60043676 A JP 60043676A JP 4367685 A JP4367685 A JP 4367685A JP S61204523 A JPS61204523 A JP S61204523A
Authority
JP
Japan
Prior art keywords
time
propagation time
counter
transducer
wave
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
JP60043676A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0422468B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Hanji Sushi
壽司　範二
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.)
Dia Medical System Co Ltd
Original Assignee
Dia Medical System Co 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 Dia Medical System Co Ltd filed Critical Dia Medical System Co Ltd
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 true JPS61204523A (ja) 1986-09-10
JPH0422468B2 JPH0422468B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02236449A (ja) * 1989-03-10 1990-09-19 Rion Co Ltd 超音波測定方法及びそのための超音波測定器
JPH0750076B2 (ja) * 1989-03-06 1995-05-31 コールフィールド，デイビッド・ドナルド 音響信号による対象物検出装置及び音響信号による対象物検出方法
WO2000052418A1 (fr) * 1999-03-01 2000-09-08 H & B System Co. Ltd. Detecteur a ultrasons et procede de detection a ultrasons

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0750076B2 (ja) * 1989-03-06 1995-05-31 コールフィールド，デイビッド・ドナルド 音響信号による対象物検出装置及び音響信号による対象物検出方法
JPH02236449A (ja) * 1989-03-10 1990-09-19 Rion Co Ltd 超音波測定方法及びそのための超音波測定器
WO2000052418A1 (fr) * 1999-03-01 2000-09-08 H & B System Co. Ltd. Detecteur a ultrasons et procede de detection a ultrasons
US6584847B1 (en) 1999-03-01 2003-07-01 H & B System Co., Ltd. Ultrasonic detector and method for ultrasonic detection
US6672162B2 (en) 1999-03-01 2004-01-06 H & B System Co. Ltd. Ultrasonic detection apparatus and ultrasonic detection method employing the same

Also Published As

Publication number Publication date
JPH0422468B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-04-17

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