JPH0260967B2 - - Google Patents

Info

Publication number
JPH0260967B2
JPH0260967B2 JP56124707A JP12470781A JPH0260967B2 JP H0260967 B2 JPH0260967 B2 JP H0260967B2 JP 56124707 A JP56124707 A JP 56124707A JP 12470781 A JP12470781 A JP 12470781A JP H0260967 B2 JPH0260967 B2 JP H0260967B2
Authority
JP
Japan
Prior art keywords
time
counter
oscillator
measured
signal
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
JP56124707A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5827019A (ja
Inventor
Yukio Nakagawa
Masaru Kono
Kazuteru Aragai
Kyoshi Saito
Norimasa Tamaoki
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP56124707A priority Critical patent/JPS5827019A/ja
Priority to DE19823230399 priority patent/DE3230399A1/de
Publication of JPS5827019A publication Critical patent/JPS5827019A/ja
Publication of JPH0260967B2 publication Critical patent/JPH0260967B2/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
    • 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
    • G01F1/668—Compensating or correcting for variations in velocity of sound

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
JP56124707A 1981-08-11 1981-08-11 超音波流量測定装置 Granted JPS5827019A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56124707A JPS5827019A (ja) 1981-08-11 1981-08-11 超音波流量測定装置
DE19823230399 DE3230399A1 (de) 1981-08-11 1982-08-11 Durchflussmesseinrichtung nach dem ultraschallprinzip mit zwei oszillatoren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56124707A JPS5827019A (ja) 1981-08-11 1981-08-11 超音波流量測定装置

Publications (2)

Publication Number Publication Date
JPS5827019A JPS5827019A (ja) 1983-02-17
JPH0260967B2 true JPH0260967B2 (enrdf_load_stackoverflow) 1990-12-18

Family

ID=14892101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56124707A Granted JPS5827019A (ja) 1981-08-11 1981-08-11 超音波流量測定装置

Country Status (2)

Country Link
JP (1) JPS5827019A (enrdf_load_stackoverflow)
DE (1) DE3230399A1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE3230399A1 (de) 1983-03-03
JPS5827019A (ja) 1983-02-17

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