JPH0643748Y2 - 魚体長判別用魚群探知機 - Google Patents

魚体長判別用魚群探知機

Info

Publication number
JPH0643748Y2
JPH0643748Y2 JP16338587U JP16338587U JPH0643748Y2 JP H0643748 Y2 JPH0643748 Y2 JP H0643748Y2 JP 16338587 U JP16338587 U JP 16338587U JP 16338587 U JP16338587 U JP 16338587U JP H0643748 Y2 JPH0643748 Y2 JP H0643748Y2
Authority
JP
Japan
Prior art keywords
fan beam
fish
wave
received
receiver
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
JP16338587U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0167589U (cs
Inventor
恭三 山谷
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.)
Kaijo Corp
Original Assignee
Kaijo Corp
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 Kaijo Corp filed Critical Kaijo Corp
Priority to JP16338587U priority Critical patent/JPH0643748Y2/ja
Publication of JPH0167589U publication Critical patent/JPH0167589U/ja
Application granted granted Critical
Publication of JPH0643748Y2 publication Critical patent/JPH0643748Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP16338587U 1987-10-26 1987-10-26 魚体長判別用魚群探知機 Expired - Lifetime JPH0643748Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16338587U JPH0643748Y2 (ja) 1987-10-26 1987-10-26 魚体長判別用魚群探知機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16338587U JPH0643748Y2 (ja) 1987-10-26 1987-10-26 魚体長判別用魚群探知機

Publications (2)

Publication Number Publication Date
JPH0167589U JPH0167589U (cs) 1989-05-01
JPH0643748Y2 true JPH0643748Y2 (ja) 1994-11-14

Family

ID=31448066

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16338587U Expired - Lifetime JPH0643748Y2 (ja) 1987-10-26 1987-10-26 魚体長判別用魚群探知機

Country Status (1)

Country Link
JP (1) JPH0643748Y2 (cs)

Also Published As

Publication number Publication date
JPH0167589U (cs) 1989-05-01

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