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JPS57151810A - Detecting device for position on sea - Google Patents

Detecting device for position on sea

Info

Publication number
JPS57151810A
JPS57151810A JP3748381A JP3748381A JPS57151810A JP S57151810 A JPS57151810 A JP S57151810A JP 3748381 A JP3748381 A JP 3748381A JP 3748381 A JP3748381 A JP 3748381A JP S57151810 A JPS57151810 A JP S57151810A
Authority
JP
Japan
Prior art keywords
sea
wall surface
sonar
transpondance
distance
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
JP3748381A
Other languages
Japanese (ja)
Inventor
Yasuo Koyanagi
Akira Senoo
Katsuhiko Shimada
Hidekazu Horigome
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP3748381A priority Critical patent/JPS57151810A/en
Publication of JPS57151810A publication Critical patent/JPS57151810A/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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)

Abstract

PURPOSE:To eliminate the need for a transpondance and to improve a working efficiency, by measuring a distance between a wall surface installed on the bottom of the sea and a sonar. CONSTITUTION:A square frame type wall surface 5 consisting of a material reflecting ultrasonic wave is placed on the bottom of the sea, and a distance between a sonar 6, hung down perpendicularly from a ship bottom, and the wall surface 5 is measured by means of a sonar technique to detect a position of a ship. This eliminates the need for a transpondance and improve a working efficiency.
JP3748381A 1981-03-16 1981-03-16 Detecting device for position on sea Pending JPS57151810A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3748381A JPS57151810A (en) 1981-03-16 1981-03-16 Detecting device for position on sea

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3748381A JPS57151810A (en) 1981-03-16 1981-03-16 Detecting device for position on sea

Publications (1)

Publication Number Publication Date
JPS57151810A true JPS57151810A (en) 1982-09-20

Family

ID=12498761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3748381A Pending JPS57151810A (en) 1981-03-16 1981-03-16 Detecting device for position on sea

Country Status (1)

Country Link
JP (1) JPS57151810A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63286706A (en) * 1987-05-20 1988-11-24 Toa Harbor Works Co Ltd Method for measuring water bottom depth

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63286706A (en) * 1987-05-20 1988-11-24 Toa Harbor Works Co Ltd Method for measuring water bottom depth

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