JPS60225027A - 超音波の伝播時間測定装置 - Google Patents

超音波の伝播時間測定装置

Info

Publication number
JPS60225027A
JPS60225027A JP59081134A JP8113484A JPS60225027A JP S60225027 A JPS60225027 A JP S60225027A JP 59081134 A JP59081134 A JP 59081134A JP 8113484 A JP8113484 A JP 8113484A JP S60225027 A JPS60225027 A JP S60225027A
Authority
JP
Japan
Prior art keywords
circuit
output
time
pulse
clock
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
JP59081134A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0477855B2 (enrdf_load_stackoverflow
Inventor
Yukiji Morita
森田　行司
Masafumi Yoshida
政史 吉田
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.)
Kaijo Denki Co Ltd
Marine Instr Co Ltd
Original Assignee
Kaijo Denki Co Ltd
Marine Instr 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 Kaijo Denki Co Ltd, Marine Instr Co Ltd filed Critical Kaijo Denki Co Ltd
Priority to JP59081134A priority Critical patent/JPS60225027A/ja
Publication of JPS60225027A publication Critical patent/JPS60225027A/ja
Publication of JPH0477855B2 publication Critical patent/JPH0477855B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
JP59081134A 1984-04-24 1984-04-24 超音波の伝播時間測定装置 Granted JPS60225027A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59081134A JPS60225027A (ja) 1984-04-24 1984-04-24 超音波の伝播時間測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59081134A JPS60225027A (ja) 1984-04-24 1984-04-24 超音波の伝播時間測定装置

Publications (2)

Publication Number Publication Date
JPS60225027A true JPS60225027A (ja) 1985-11-09
JPH0477855B2 JPH0477855B2 (enrdf_load_stackoverflow) 1992-12-09

Family

ID=13737927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59081134A Granted JPS60225027A (ja) 1984-04-24 1984-04-24 超音波の伝播時間測定装置

Country Status (1)

Country Link
JP (1) JPS60225027A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003066061A (ja) * 2001-08-28 2003-03-05 Kansai Gas Meter Co Ltd 超音波流速測定方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003066061A (ja) * 2001-08-28 2003-03-05 Kansai Gas Meter Co Ltd 超音波流速測定方法

Also Published As

Publication number Publication date
JPH0477855B2 (enrdf_load_stackoverflow) 1992-12-09

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term