JPS57211080A - Underwater detector - Google Patents

Underwater detector

Info

Publication number
JPS57211080A
JPS57211080A JP56095549A JP9554981A JPS57211080A JP S57211080 A JPS57211080 A JP S57211080A JP 56095549 A JP56095549 A JP 56095549A JP 9554981 A JP9554981 A JP 9554981A JP S57211080 A JPS57211080 A JP S57211080A
Authority
JP
Japan
Prior art keywords
time
counter
directions
count value
bow
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
JP56095549A
Other languages
English (en)
Japanese (ja)
Other versions
JPS644639B2 (enrdf_load_stackoverflow
Inventor
Shozo Uchihashi
Shozo Shibuya
Tadao Hayashi
Kazuo Yamauchi
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.)
Furuno Electric Co Ltd
Original Assignee
Furuno Electric 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 Furuno Electric Co Ltd filed Critical Furuno Electric Co Ltd
Priority to JP56095549A priority Critical patent/JPS57211080A/ja
Publication of JPS57211080A publication Critical patent/JPS57211080A/ja
Publication of JPS644639B2 publication Critical patent/JPS644639B2/ja
Granted 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
    • G01S15/96—Sonar systems specially adapted for specific applications for locating fish

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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP56095549A 1981-06-19 1981-06-19 Underwater detector Granted JPS57211080A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56095549A JPS57211080A (en) 1981-06-19 1981-06-19 Underwater detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56095549A JPS57211080A (en) 1981-06-19 1981-06-19 Underwater detector

Publications (2)

Publication Number Publication Date
JPS57211080A true JPS57211080A (en) 1982-12-24
JPS644639B2 JPS644639B2 (enrdf_load_stackoverflow) 1989-01-26

Family

ID=14140649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56095549A Granted JPS57211080A (en) 1981-06-19 1981-06-19 Underwater detector

Country Status (1)

Country Link
JP (1) JPS57211080A (enrdf_load_stackoverflow)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS474010A (enrdf_load_stackoverflow) * 1970-07-27 1972-02-28
JPS5539351U (enrdf_load_stackoverflow) * 1978-09-07 1980-03-13
JPS5631666A (en) * 1979-08-01 1981-03-31 Furuno Electric Co Ltd Underwater direction finding and display unit for broad range

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS474010A (enrdf_load_stackoverflow) * 1970-07-27 1972-02-28
JPS5539351U (enrdf_load_stackoverflow) * 1978-09-07 1980-03-13
JPS5631666A (en) * 1979-08-01 1981-03-31 Furuno Electric Co Ltd Underwater direction finding and display unit for broad range

Also Published As

Publication number Publication date
JPS644639B2 (enrdf_load_stackoverflow) 1989-01-26

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