JPS57207864A - Ultrasonic current meter - Google Patents

Ultrasonic current meter

Info

Publication number
JPS57207864A
JPS57207864A JP9279281A JP9279281A JPS57207864A JP S57207864 A JPS57207864 A JP S57207864A JP 9279281 A JP9279281 A JP 9279281A JP 9279281 A JP9279281 A JP 9279281A JP S57207864 A JPS57207864 A JP S57207864A
Authority
JP
Japan
Prior art keywords
signal
detected
ultrasonic pulse
measured
waveform storage
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
JP9279281A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0257674B2 (enrdf_load_stackoverflow
Inventor
Shinichi Amamiya
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP9279281A priority Critical patent/JPS57207864A/ja
Publication of JPS57207864A publication Critical patent/JPS57207864A/ja
Publication of JPH0257674B2 publication Critical patent/JPH0257674B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP9279281A 1981-06-16 1981-06-16 Ultrasonic current meter Granted JPS57207864A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9279281A JPS57207864A (en) 1981-06-16 1981-06-16 Ultrasonic current meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9279281A JPS57207864A (en) 1981-06-16 1981-06-16 Ultrasonic current meter

Publications (2)

Publication Number Publication Date
JPS57207864A true JPS57207864A (en) 1982-12-20
JPH0257674B2 JPH0257674B2 (enrdf_load_stackoverflow) 1990-12-05

Family

ID=14064264

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9279281A Granted JPS57207864A (en) 1981-06-16 1981-06-16 Ultrasonic current meter

Country Status (1)

Country Link
JP (1) JPS57207864A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09243651A (ja) * 1996-03-04 1997-09-19 Koichi Nakamura 流体の流速測定方法及び電気機器巻線の冷却ガスの流速測定方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50153972A (enrdf_load_stackoverflow) * 1974-06-03 1975-12-11
JPS5217851A (en) * 1975-08-01 1977-02-10 Hitachi Ltd Super sonic transfer time measurement device
JPS544169A (en) * 1977-06-10 1979-01-12 Yokogawa Hokushin Electric Corp Corelation flow speed and rate meter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50153972A (enrdf_load_stackoverflow) * 1974-06-03 1975-12-11
JPS5217851A (en) * 1975-08-01 1977-02-10 Hitachi Ltd Super sonic transfer time measurement device
JPS544169A (en) * 1977-06-10 1979-01-12 Yokogawa Hokushin Electric Corp Corelation flow speed and rate meter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09243651A (ja) * 1996-03-04 1997-09-19 Koichi Nakamura 流体の流速測定方法及び電気機器巻線の冷却ガスの流速測定方法

Also Published As

Publication number Publication date
JPH0257674B2 (enrdf_load_stackoverflow) 1990-12-05

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