JPH0526153B2 - - Google Patents

Info

Publication number
JPH0526153B2
JPH0526153B2 JP1231051A JP23105189A JPH0526153B2 JP H0526153 B2 JPH0526153 B2 JP H0526153B2 JP 1231051 A JP1231051 A JP 1231051A JP 23105189 A JP23105189 A JP 23105189A JP H0526153 B2 JPH0526153 B2 JP H0526153B2
Authority
JP
Japan
Prior art keywords
frequency
fish
low
information
reflection intensity
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
JP1231051A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02110391A (ja
Inventor
Kikuro Nemoto
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 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 JPH02110391A (ja) 1990-04-23
JPH0526153B2 true 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3930166B2 (ja) * 1998-11-10 2007-06-13 株式会社カイジョーソニック 計量魚群探知機

Family Cites Families (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

Also Published As

Publication number Publication date
JPH02110391A (ja) 1990-04-23

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