JPH02110391A - 計量用魚群探知機 - Google Patents

計量用魚群探知機

Info

Publication number
JPH02110391A
JPH02110391A JP23105189A JP23105189A JPH02110391A JP H02110391 A JPH02110391 A JP H02110391A JP 23105189 A JP23105189 A JP 23105189A JP 23105189 A JP23105189 A JP 23105189A JP H02110391 A JPH02110391 A JP H02110391A
Authority
JP
Japan
Prior art keywords
fish body
frequency
fish
reflection intensity
information
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
JP23105189A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0526153B2 (enrdf_load_html_response
Inventor
Kikuro Nemoto
喜久郎 根本
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.)
Marine Instr Co Ltd
Original Assignee
Marine Instr 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 Marine Instr Co Ltd filed Critical Marine Instr Co Ltd
Priority to JP23105189A priority Critical patent/JPH02110391A/ja
Publication of JPH02110391A publication Critical patent/JPH02110391A/ja
Publication of JPH0526153B2 publication Critical patent/JPH0526153B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP23105189A 1989-09-06 1989-09-06 計量用魚群探知機 Granted JPH02110391A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23105189A JPH02110391A (ja) 1989-09-06 1989-09-06 計量用魚群探知機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23105189A JPH02110391A (ja) 1989-09-06 1989-09-06 計量用魚群探知機

Publications (2)

Publication Number Publication Date
JPH02110391A true JPH02110391A (ja) 1990-04-23
JPH0526153B2 JPH0526153B2 (enrdf_load_html_response) 1993-04-15

Family

ID=16917518

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23105189A Granted JPH02110391A (ja) 1989-09-06 1989-09-06 計量用魚群探知機

Country Status (1)

Country Link
JP (1) JPH02110391A (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000147118A (ja) * 1998-11-10 2000-05-26 Kaijo Corp 計量魚群探知機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652273A (en) * 1979-10-04 1981-05-11 Naka Tech Lab Floor construction of building

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652273A (en) * 1979-10-04 1981-05-11 Naka Tech Lab Floor construction of building

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000147118A (ja) * 1998-11-10 2000-05-26 Kaijo Corp 計量魚群探知機

Also Published As

Publication number Publication date
JPH0526153B2 (enrdf_load_html_response) 1993-04-15

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