JPS51151584A - Measuring method for number of fish - Google Patents

Measuring method for number of fish

Info

Publication number
JPS51151584A
JPS51151584A JP50076144A JP7614475A JPS51151584A JP S51151584 A JPS51151584 A JP S51151584A JP 50076144 A JP50076144 A JP 50076144A JP 7614475 A JP7614475 A JP 7614475A JP S51151584 A JPS51151584 A JP S51151584A
Authority
JP
Japan
Prior art keywords
fish
measuring method
measurement
imediate
randum
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
JP50076144A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5762026B2 (es
Inventor
Yoshinobu Maniwa
Takeo Tsurugatani
Masahiko Furusawa
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.)
ZENKOKU GIYOGIYOU KIYOUSAIKUMI
ZENKOKU GIYOGIYOU KIYOUSAIKUMIAI RENGOUKAI
ZENKOKU GYOGYO KIYOUSAIKUMIAI RENGOKAI
Original Assignee
ZENKOKU GIYOGIYOU KIYOUSAIKUMI
ZENKOKU GIYOGIYOU KIYOUSAIKUMIAI RENGOUKAI
ZENKOKU GYOGYO KIYOUSAIKUMIAI RENGOKAI
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 ZENKOKU GIYOGIYOU KIYOUSAIKUMI, ZENKOKU GIYOGIYOU KIYOUSAIKUMIAI RENGOUKAI, ZENKOKU GYOGYO KIYOUSAIKUMIAI RENGOKAI filed Critical ZENKOKU GIYOGIYOU KIYOUSAIKUMI
Priority to JP50076144A priority Critical patent/JPS51151584A/ja
Publication of JPS51151584A publication Critical patent/JPS51151584A/ja
Publication of JPS5762026B2 publication Critical patent/JPS5762026B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish

Landscapes

  • Farming Of Fish And Shellfish (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP50076144A 1975-06-20 1975-06-20 Measuring method for number of fish Granted JPS51151584A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50076144A JPS51151584A (en) 1975-06-20 1975-06-20 Measuring method for number of fish

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50076144A JPS51151584A (en) 1975-06-20 1975-06-20 Measuring method for number of fish

Publications (2)

Publication Number Publication Date
JPS51151584A true JPS51151584A (en) 1976-12-27
JPS5762026B2 JPS5762026B2 (es) 1982-12-27

Family

ID=13596791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50076144A Granted JPS51151584A (en) 1975-06-20 1975-06-20 Measuring method for number of fish

Country Status (1)

Country Link
JP (1) JPS51151584A (es)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57189081A (en) * 1981-05-15 1982-11-20 Furuno Electric Co Ltd Search device for amount of resources
JPH0251088A (ja) * 1988-08-12 1990-02-21 Takeshi Hayashi 魚センサを備える静止容積式フィッシュポンプ
JP2006105700A (ja) * 2004-10-01 2006-04-20 Furuno Electric Co Ltd 魚群情報、魚群の体積及び単体魚の後方散乱強度を算出可能な水中探知装置、並びにそれらの方法
JP2016205933A (ja) * 2015-04-20 2016-12-08 古野電気株式会社 水中探知装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS635936A (ja) * 1986-06-26 1988-01-11 株式会社　森田鐵工所 断熱材およびその製造方法
JP5082031B2 (ja) 2004-10-01 2012-11-28 国立大学法人北海道大学 魚群の魚量情報を算出可能な水中探知装置及びその方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5016168A (es) * 1973-06-13 1975-02-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5016168A (es) * 1973-06-13 1975-02-20

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57189081A (en) * 1981-05-15 1982-11-20 Furuno Electric Co Ltd Search device for amount of resources
JPS6312544B2 (es) * 1981-05-15 1988-03-19 Furuno Electric Co
JPH0251088A (ja) * 1988-08-12 1990-02-21 Takeshi Hayashi 魚センサを備える静止容積式フィッシュポンプ
JP2006105700A (ja) * 2004-10-01 2006-04-20 Furuno Electric Co Ltd 魚群情報、魚群の体積及び単体魚の後方散乱強度を算出可能な水中探知装置、並びにそれらの方法
JP2016205933A (ja) * 2015-04-20 2016-12-08 古野電気株式会社 水中探知装置

Also Published As

Publication number Publication date
JPS5762026B2 (es) 1982-12-27

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