JPS6021811Y2 - 巻網用超音波探知装置 - Google Patents

巻網用超音波探知装置

Info

Publication number
JPS6021811Y2
JPS6021811Y2 JP13456180U JP13456180U JPS6021811Y2 JP S6021811 Y2 JPS6021811 Y2 JP S6021811Y2 JP 13456180 U JP13456180 U JP 13456180U JP 13456180 U JP13456180 U JP 13456180U JP S6021811 Y2 JPS6021811 Y2 JP S6021811Y2
Authority
JP
Japan
Prior art keywords
frequency
net
detection device
purse seine
depth
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
Application number
JP13456180U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5773671U (enExample
Inventor
秀治 森松
雄三 小林
豊喜 笹倉
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.)
Furuno Electric Co Ltd
Original Assignee
Furuno Electric 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 Furuno Electric Co Ltd filed Critical Furuno Electric Co Ltd
Priority to JP13456180U priority Critical patent/JPS6021811Y2/ja
Publication of JPS5773671U publication Critical patent/JPS5773671U/ja
Application granted granted Critical
Publication of JPS6021811Y2 publication Critical patent/JPS6021811Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP13456180U 1980-09-19 1980-09-19 巻網用超音波探知装置 Expired JPS6021811Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13456180U JPS6021811Y2 (ja) 1980-09-19 1980-09-19 巻網用超音波探知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13456180U JPS6021811Y2 (ja) 1980-09-19 1980-09-19 巻網用超音波探知装置

Publications (2)

Publication Number Publication Date
JPS5773671U JPS5773671U (enExample) 1982-05-07
JPS6021811Y2 true JPS6021811Y2 (ja) 1985-06-28

Family

ID=29494749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13456180U Expired JPS6021811Y2 (ja) 1980-09-19 1980-09-19 巻網用超音波探知装置

Country Status (1)

Country Link
JP (1) JPS6021811Y2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59111075A (ja) * 1982-12-17 1984-06-27 Oki Electric Ind Co Ltd 水中曳航体の超音波位置計測方法

Also Published As

Publication number Publication date
JPS5773671U (enExample) 1982-05-07

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