JPS5418788A - Method and apparatus for detecting of ultrasonic wave signals - Google Patents

Method and apparatus for detecting of ultrasonic wave signals

Info

Publication number
JPS5418788A
JPS5418788A JP8298377A JP8298377A JPS5418788A JP S5418788 A JPS5418788 A JP S5418788A JP 8298377 A JP8298377 A JP 8298377A JP 8298377 A JP8298377 A JP 8298377A JP S5418788 A JPS5418788 A JP S5418788A
Authority
JP
Japan
Prior art keywords
ultrasonic wave
wave signals
detecting
crests
stably
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
JP8298377A
Other languages
Japanese (ja)
Other versions
JPH0117090B2 (en
Inventor
Tsukasa Yamauchi
Takeshi Hirayama
Takeshi Umehara
Motohisa Nishihara
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8298377A priority Critical patent/JPS5418788A/en
Publication of JPS5418788A publication Critical patent/JPS5418788A/en
Publication of JPH0117090B2 publication Critical patent/JPH0117090B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measuring Volume Flow (AREA)

Abstract

PURPOSE: To stably and surely detect ultrasonic wave signals by drawing out the signal detecting peaks from ultrasonic wave signals and so changing amplification degree that the crests thereof are maintained within a fixed range.
COPYRIGHT: (C)1979,JPO&Japio
JP8298377A 1977-07-13 1977-07-13 Method and apparatus for detecting of ultrasonic wave signals Granted JPS5418788A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8298377A JPS5418788A (en) 1977-07-13 1977-07-13 Method and apparatus for detecting of ultrasonic wave signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8298377A JPS5418788A (en) 1977-07-13 1977-07-13 Method and apparatus for detecting of ultrasonic wave signals

Publications (2)

Publication Number Publication Date
JPS5418788A true JPS5418788A (en) 1979-02-13
JPH0117090B2 JPH0117090B2 (en) 1989-03-29

Family

ID=13789443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8298377A Granted JPS5418788A (en) 1977-07-13 1977-07-13 Method and apparatus for detecting of ultrasonic wave signals

Country Status (1)

Country Link
JP (1) JPS5418788A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59166814A (en) * 1983-03-11 1984-09-20 Power Reactor & Nuclear Fuel Dev Corp Ultrasonic flow meter
JPH0353594U (en) * 1989-09-29 1991-05-23
US6772643B2 (en) 2002-08-05 2004-08-10 Matsushita Electric Industrial Co., Ltd. Flow meter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59166814A (en) * 1983-03-11 1984-09-20 Power Reactor & Nuclear Fuel Dev Corp Ultrasonic flow meter
JPH0526127B2 (en) * 1983-03-11 1993-04-15 Doryokuro Kakunenryo Kaihatsu Jigyodan
JPH0353594U (en) * 1989-09-29 1991-05-23
US6772643B2 (en) 2002-08-05 2004-08-10 Matsushita Electric Industrial Co., Ltd. Flow meter

Also Published As

Publication number Publication date
JPH0117090B2 (en) 1989-03-29

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