JPH0477855B2 - - Google Patents

Info

Publication number
JPH0477855B2
JPH0477855B2 JP59081134A JP8113484A JPH0477855B2 JP H0477855 B2 JPH0477855 B2 JP H0477855B2 JP 59081134 A JP59081134 A JP 59081134A JP 8113484 A JP8113484 A JP 8113484A JP H0477855 B2 JPH0477855 B2 JP H0477855B2
Authority
JP
Japan
Prior art keywords
output
circuit
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.)
Expired
Application number
JP59081134A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60225027A (ja
Inventor
Yukiji Morita
Masafumi Yoshida
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 Corp
Original Assignee
Kaijo Corp
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 Corp filed Critical Kaijo Corp
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 JPS60225027A (ja) 1985-11-09
JPH0477855B2 true 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4689904B2 (ja) * 2001-08-28 2011-06-01 関西ガスメータ株式会社 超音波流速測定方法

Also Published As

Publication number Publication date
JPS60225027A (ja) 1985-11-09

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term