JPS61722A - 超音波伝播時間測定装置 - Google Patents

超音波伝播時間測定装置

Info

Publication number
JPS61722A
JPS61722A JP59120042A JP12004284A JPS61722A JP S61722 A JPS61722 A JP S61722A JP 59120042 A JP59120042 A JP 59120042A JP 12004284 A JP12004284 A JP 12004284A JP S61722 A JPS61722 A JP S61722A
Authority
JP
Japan
Prior art keywords
oscillator
time
pulse
frequency
circuit
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
JP59120042A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0315135B2 (enrdf_load_stackoverflow
Inventor
Yukio Nakagawa
中川　行雄
Yasuo Matsuda
松田　保雄
Gunji Ogawara
大河原　軍治
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.)
CHIYOUONPA KOGYO KK
Fuji Electric Co Ltd
Ultrasonic Engineering Co Ltd
Original Assignee
CHIYOUONPA KOGYO KK
Fuji Electric Co Ltd
Ultrasonic Engineering Co Ltd
Fuji Electric Manufacturing 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 CHIYOUONPA KOGYO KK, Fuji Electric Co Ltd, Ultrasonic Engineering Co Ltd, Fuji Electric Manufacturing Co Ltd filed Critical CHIYOUONPA KOGYO KK
Priority to JP59120042A priority Critical patent/JPS61722A/ja
Publication of JPS61722A publication Critical patent/JPS61722A/ja
Publication of JPH0315135B2 publication Critical patent/JPH0315135B2/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)
  • Measuring Volume Flow (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
JP59120042A 1984-06-13 1984-06-13 超音波伝播時間測定装置 Granted JPS61722A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59120042A JPS61722A (ja) 1984-06-13 1984-06-13 超音波伝播時間測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59120042A JPS61722A (ja) 1984-06-13 1984-06-13 超音波伝播時間測定装置

Publications (2)

Publication Number Publication Date
JPS61722A true JPS61722A (ja) 1986-01-06
JPH0315135B2 JPH0315135B2 (enrdf_load_stackoverflow) 1991-02-28

Family

ID=14776456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59120042A Granted JPS61722A (ja) 1984-06-13 1984-06-13 超音波伝播時間測定装置

Country Status (1)

Country Link
JP (1) JPS61722A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6468005A (en) * 1987-09-09 1989-03-14 Nissan Motor Mosfet incorporating protection function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6468005A (en) * 1987-09-09 1989-03-14 Nissan Motor Mosfet incorporating protection function

Also Published As

Publication number Publication date
JPH0315135B2 (enrdf_load_stackoverflow) 1991-02-28

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