JPS5752815A - Processing circuit for ultrasonic wave signal - Google Patents

Processing circuit for ultrasonic wave signal

Info

Publication number
JPS5752815A
JPS5752815A JP55127115A JP12711580A JPS5752815A JP S5752815 A JPS5752815 A JP S5752815A JP 55127115 A JP55127115 A JP 55127115A JP 12711580 A JP12711580 A JP 12711580A JP S5752815 A JPS5752815 A JP S5752815A
Authority
JP
Japan
Prior art keywords
pulses
generated
terminal
wave
ultrasonic wave
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.)
Pending
Application number
JP55127115A
Other languages
Japanese (ja)
Inventor
Hiroshi Minami
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.)
Yokogawa Electric Corp
Original Assignee
Hokushin Electric Works Ltd
Yokogawa Hokushin Electric 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 Hokushin Electric Works Ltd, Yokogawa Hokushin Electric Corp filed Critical Hokushin Electric Works Ltd
Priority to JP55127115A priority Critical patent/JPS5752815A/en
Publication of JPS5752815A publication Critical patent/JPS5752815A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Measuring Volume Flow (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

PURPOSE:To enable transmission abnormality to be identified without fail and to eliminate the errors in time measurement by reading the gate pulses which follow received ultrasonic wave pulses and the output of a D-FF to which the detected received wave pulses are inputted by a next D-FF immediately before the reset. CONSTITUTION:The gate pulses which follow the received ultrasonic wave pulses are applied to a D terminal of the D-FF18, the detected received signal wave pulses Z are applied to a T terminal, and a reset signal R, which is generated before estimated time point when next pulses Z are generated, is applied to a reset terminal C. An output signal F' is applied to a D terminal of the D-FF19, and a sampling input signal S, which is generated after the time point when the pulses Z are estimated to be generated and before the reset signal R is generated, is applied to a T terminal. Either an output signa 1 or a 0 from the FF19 is related to the determination for designating the received ultrasonic wave as a normal wave. Even though the receiving wave detection occurs during the time the gate pulses are not generated due to te amplitude variation and even though the detection cannot be made due to the disapperance of the receiving wave, the identification of abnomality is possible and the errors in time measurement can be eliminated.
JP55127115A 1980-09-16 1980-09-16 Processing circuit for ultrasonic wave signal Pending JPS5752815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55127115A JPS5752815A (en) 1980-09-16 1980-09-16 Processing circuit for ultrasonic wave signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55127115A JPS5752815A (en) 1980-09-16 1980-09-16 Processing circuit for ultrasonic wave signal

Publications (1)

Publication Number Publication Date
JPS5752815A true JPS5752815A (en) 1982-03-29

Family

ID=14951972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55127115A Pending JPS5752815A (en) 1980-09-16 1980-09-16 Processing circuit for ultrasonic wave signal

Country Status (1)

Country Link
JP (1) JPS5752815A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61162771A (en) * 1985-01-11 1986-07-23 Tokyo Keiki Co Ltd Length measuring apparatus using ultrasonic
JPS61162770A (en) * 1985-01-11 1986-07-23 Tokyo Keiki Co Ltd Length measuring apparatus using ultrasonic
JPS61162772A (en) * 1985-01-11 1986-07-23 Tokyo Keiki Co Ltd Length measuring apparatus using ultrasonic
JP2001272266A (en) * 2000-03-27 2001-10-05 Ricoh Elemex Corp Ultrasonic level gauge

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54149670A (en) * 1978-05-16 1979-11-24 Fuji Electric Co Ltd Circuit device for detecting ultrasonic wave propagating time

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54149670A (en) * 1978-05-16 1979-11-24 Fuji Electric Co Ltd Circuit device for detecting ultrasonic wave propagating time

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61162771A (en) * 1985-01-11 1986-07-23 Tokyo Keiki Co Ltd Length measuring apparatus using ultrasonic
JPS61162770A (en) * 1985-01-11 1986-07-23 Tokyo Keiki Co Ltd Length measuring apparatus using ultrasonic
JPS61162772A (en) * 1985-01-11 1986-07-23 Tokyo Keiki Co Ltd Length measuring apparatus using ultrasonic
JP2001272266A (en) * 2000-03-27 2001-10-05 Ricoh Elemex Corp Ultrasonic level gauge

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