JPS571979A - Fish amount indicator - Google Patents

Fish amount indicator

Info

Publication number
JPS571979A
JPS571979A JP7493580A JP7493580A JPS571979A JP S571979 A JPS571979 A JP S571979A JP 7493580 A JP7493580 A JP 7493580A JP 7493580 A JP7493580 A JP 7493580A JP S571979 A JPS571979 A JP S571979A
Authority
JP
Japan
Prior art keywords
picture
boundary line
echo
fish
line
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
JP7493580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6222112B2 (enrdf_load_stackoverflow
Inventor
Isoichi Tanaka
Toshio Furuya
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.)
Koden Electronics Co Ltd
Original Assignee
Koden Electronics 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 Koden Electronics Co Ltd filed Critical Koden Electronics Co Ltd
Priority to JP7493580A priority Critical patent/JPS571979A/ja
Publication of JPS571979A publication Critical patent/JPS571979A/ja
Publication of JPS6222112B2 publication Critical patent/JPS6222112B2/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)
JP7493580A 1980-06-05 1980-06-05 Fish amount indicator Granted JPS571979A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7493580A JPS571979A (en) 1980-06-05 1980-06-05 Fish amount indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7493580A JPS571979A (en) 1980-06-05 1980-06-05 Fish amount indicator

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP25158886A Division JPS6290586A (ja) 1986-10-24 1986-10-24 魚群探知機

Publications (2)

Publication Number Publication Date
JPS571979A true JPS571979A (en) 1982-01-07
JPS6222112B2 JPS6222112B2 (enrdf_load_stackoverflow) 1987-05-15

Family

ID=13561698

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7493580A Granted JPS571979A (en) 1980-06-05 1980-06-05 Fish amount indicator

Country Status (1)

Country Link
JP (1) JPS571979A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106338734A (zh) * 2015-07-06 2017-01-18 古野电气株式会社 鱼群探知机、鱼群探知系统以及鱼群探知方法
CN116609786A (zh) * 2023-05-22 2023-08-18 农芯(南京)智慧农业研究院有限公司 鱼类统计方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4977666A (enrdf_load_stackoverflow) * 1972-11-29 1974-07-26
JPS5175550A (ja) * 1974-12-26 1976-06-30 Koden Electronics Co Ltd Gazohyojisochi
JPS53124946A (en) * 1977-04-08 1978-10-31 Agency Of Ind Science & Technol Operation mask unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4977666A (enrdf_load_stackoverflow) * 1972-11-29 1974-07-26
JPS5175550A (ja) * 1974-12-26 1976-06-30 Koden Electronics Co Ltd Gazohyojisochi
JPS53124946A (en) * 1977-04-08 1978-10-31 Agency Of Ind Science & Technol Operation mask unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106338734A (zh) * 2015-07-06 2017-01-18 古野电气株式会社 鱼群探知机、鱼群探知系统以及鱼群探知方法
JP2017015645A (ja) * 2015-07-06 2017-01-19 古野電気株式会社 魚群探知機、プログラムおよび魚群探知方法
CN116609786A (zh) * 2023-05-22 2023-08-18 农芯(南京)智慧农业研究院有限公司 鱼类统计方法及装置
CN116609786B (zh) * 2023-05-22 2024-02-09 农芯(南京)智慧农业研究院有限公司 鱼类统计方法及装置

Also Published As

Publication number Publication date
JPS6222112B2 (enrdf_load_stackoverflow) 1987-05-15

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