JPH0441572B2 - - Google Patents

Info

Publication number
JPH0441572B2
JPH0441572B2 JP61119751A JP11975186A JPH0441572B2 JP H0441572 B2 JPH0441572 B2 JP H0441572B2 JP 61119751 A JP61119751 A JP 61119751A JP 11975186 A JP11975186 A JP 11975186A JP H0441572 B2 JPH0441572 B2 JP H0441572B2
Authority
JP
Japan
Prior art keywords
fish
fan
light
intermittent
shaped light
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.)
Expired - Lifetime
Application number
JP61119751A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62275636A (ja
Inventor
Hiroshi Kamata
Hidehiko Maehata
Hiroyuki Daiku
Hiroshige Arai
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.)
Kanadevia Corp
Original Assignee
Hitachi Shipbuilding and Engineering 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 Hitachi Shipbuilding and Engineering Co Ltd filed Critical Hitachi Shipbuilding and Engineering Co Ltd
Priority to JP61119751A priority Critical patent/JPS62275636A/ja
Publication of JPS62275636A publication Critical patent/JPS62275636A/ja
Publication of JPH0441572B2 publication Critical patent/JPH0441572B2/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)
JP61119751A 1986-05-23 1986-05-23 魚類の遊泳遮断装置 Granted JPS62275636A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61119751A JPS62275636A (ja) 1986-05-23 1986-05-23 魚類の遊泳遮断装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61119751A JPS62275636A (ja) 1986-05-23 1986-05-23 魚類の遊泳遮断装置

Publications (2)

Publication Number Publication Date
JPS62275636A JPS62275636A (ja) 1987-11-30
JPH0441572B2 true JPH0441572B2 (enExample) 1992-07-08

Family

ID=14769248

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61119751A Granted JPS62275636A (ja) 1986-05-23 1986-05-23 魚類の遊泳遮断装置

Country Status (1)

Country Link
JP (1) JPS62275636A (enExample)

Also Published As

Publication number Publication date
JPS62275636A (ja) 1987-11-30

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees