JPH0535364B2 - - Google Patents

Info

Publication number
JPH0535364B2
JPH0535364B2 JP59225669A JP22566984A JPH0535364B2 JP H0535364 B2 JPH0535364 B2 JP H0535364B2 JP 59225669 A JP59225669 A JP 59225669A JP 22566984 A JP22566984 A JP 22566984A JP H0535364 B2 JPH0535364 B2 JP H0535364B2
Authority
JP
Japan
Prior art keywords
circuit
pulse
delay
output
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 - Lifetime
Application number
JP59225669A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61104224A (ja
Inventor
Yukio Yoshida
Shuichi Asada
Yutaka Kashiwase
Masaharu Maki
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.)
Tokyo Keiki Inc
Original Assignee
Tokimec Inc
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 Tokimec Inc filed Critical Tokimec Inc
Priority to JP59225669A priority Critical patent/JPS61104224A/ja
Publication of JPS61104224A publication Critical patent/JPS61104224A/ja
Publication of JPH0535364B2 publication Critical patent/JPH0535364B2/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)
JP59225669A 1984-10-29 1984-10-29 時間差方式超音波流量計 Granted JPS61104224A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59225669A JPS61104224A (ja) 1984-10-29 1984-10-29 時間差方式超音波流量計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59225669A JPS61104224A (ja) 1984-10-29 1984-10-29 時間差方式超音波流量計

Publications (2)

Publication Number Publication Date
JPS61104224A JPS61104224A (ja) 1986-05-22
JPH0535364B2 true JPH0535364B2 (enrdf_load_stackoverflow) 1993-05-26

Family

ID=16832925

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59225669A Granted JPS61104224A (ja) 1984-10-29 1984-10-29 時間差方式超音波流量計

Country Status (1)

Country Link
JP (1) JPS61104224A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002071411A (ja) * 2000-09-05 2002-03-08 Aichi Tokei Denki Co Ltd 超音波流量計

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08122117A (ja) * 1994-10-19 1996-05-17 Matsushita Electric Ind Co Ltd 流量計測装置
JP4830191B2 (ja) * 2000-10-02 2011-12-07 パナソニック株式会社 流量計測装置
CN101334308B (zh) * 2007-06-29 2013-03-27 通用电气公司 用于检测流量计的仿真电路
JP5326697B2 (ja) * 2009-03-13 2013-10-30 横河電機株式会社 超音波測定器
JP5549833B2 (ja) * 2009-04-13 2014-07-16 横河電機株式会社 超音波流量計及び流量測定方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5527938A (en) * 1978-08-21 1980-02-28 Toshiba Corp Ultrasonic wave flow meter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002071411A (ja) * 2000-09-05 2002-03-08 Aichi Tokei Denki Co Ltd 超音波流量計

Also Published As

Publication number Publication date
JPS61104224A (ja) 1986-05-22

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