JPS55163469A - Measuring system for ultrasonic wave propagation time - Google Patents

Measuring system for ultrasonic wave propagation time

Info

Publication number
JPS55163469A
JPS55163469A JP7112079A JP7112079A JPS55163469A JP S55163469 A JPS55163469 A JP S55163469A JP 7112079 A JP7112079 A JP 7112079A JP 7112079 A JP7112079 A JP 7112079A JP S55163469 A JPS55163469 A JP S55163469A
Authority
JP
Japan
Prior art keywords
signal
echo
memory
propagation time
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
JP7112079A
Other languages
Japanese (ja)
Inventor
Hideyuki Takahashi
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP7112079A priority Critical patent/JPS55163469A/en
Publication of JPS55163469A publication Critical patent/JPS55163469A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

PURPOSE:To detect an echo from an objective reflector securely by processing the signal with a maximum level of those received in receivable time as the echo from the objective reflector. CONSTITUTION:A pulse from a pulse generator 1 is modulated on a modulator 2 and transmitted into the sea through a cable transmitter 3. An echo is converted into an electric signal on a cable receiver 4 and sent to a detector 21 through amplifier 5 and A/D converter 20. A maximum value of the received signal is written in a memory 23, and a time whereat the signal exceeds a threshold value is written in a memory 26. A propagation time required for the ultrasonic signal to go to and from an objective reflector 10 is obtainable securely through reading information from the memory 26 after a lapse of receivable time.
JP7112079A 1979-06-08 1979-06-08 Measuring system for ultrasonic wave propagation time Pending JPS55163469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7112079A JPS55163469A (en) 1979-06-08 1979-06-08 Measuring system for ultrasonic wave propagation time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7112079A JPS55163469A (en) 1979-06-08 1979-06-08 Measuring system for ultrasonic wave propagation time

Publications (1)

Publication Number Publication Date
JPS55163469A true JPS55163469A (en) 1980-12-19

Family

ID=13451381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7112079A Pending JPS55163469A (en) 1979-06-08 1979-06-08 Measuring system for ultrasonic wave propagation time

Country Status (1)

Country Link
JP (1) JPS55163469A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156574A (en) * 1981-03-23 1982-09-27 Oki Electric Ind Co Ltd Acoustic range finder
JPH0348187A (en) * 1989-07-17 1991-03-01 Yokogawa Electric Corp Ultrasonic measuring apparatus
JPH0352689U (en) * 1989-09-29 1991-05-22
JPH03189581A (en) * 1989-12-19 1991-08-19 Oki Electric Ind Co Ltd Acoustic position measuring instrument
CN101813515A (en) * 2010-04-30 2010-08-25 重庆理工大学 Method and device for precisely measuring ultrasonic wave transmission time

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50142258A (en) * 1974-05-07 1975-11-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50142258A (en) * 1974-05-07 1975-11-15

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156574A (en) * 1981-03-23 1982-09-27 Oki Electric Ind Co Ltd Acoustic range finder
JPH0348187A (en) * 1989-07-17 1991-03-01 Yokogawa Electric Corp Ultrasonic measuring apparatus
JPH0352689U (en) * 1989-09-29 1991-05-22
JPH03189581A (en) * 1989-12-19 1991-08-19 Oki Electric Ind Co Ltd Acoustic position measuring instrument
CN101813515A (en) * 2010-04-30 2010-08-25 重庆理工大学 Method and device for precisely measuring ultrasonic wave transmission time

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