JPH0167588U - - Google Patents

Info

Publication number
JPH0167588U
JPH0167588U JP1987163384U JP16338487U JPH0167588U JP H0167588 U JPH0167588 U JP H0167588U JP 1987163384 U JP1987163384 U JP 1987163384U JP 16338487 U JP16338487 U JP 16338487U JP H0167588 U JPH0167588 U JP H0167588U
Authority
JP
Japan
Prior art keywords
phase difference
fan
difference detection
axis
fish
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
JP1987163384U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0648453Y2 (ja
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 filed Critical
Priority to JP16338487U priority Critical patent/JPH0648453Y2/ja
Publication of JPH0167588U publication Critical patent/JPH0167588U/ja
Application granted granted Critical
Publication of JPH0648453Y2 publication Critical patent/JPH0648453Y2/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)
JP16338487U 1987-10-26 1987-10-26 魚体長判別用魚群探知機 Expired - Lifetime JPH0648453Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16338487U JPH0648453Y2 (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
JP16338487U JPH0648453Y2 (ja) 1987-10-26 1987-10-26 魚体長判別用魚群探知機

Publications (2)

Publication Number Publication Date
JPH0167588U true JPH0167588U (cs) 1989-05-01
JPH0648453Y2 JPH0648453Y2 (ja) 1994-12-12

Family

ID=31448064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16338487U Expired - Lifetime JPH0648453Y2 (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) JPH0648453Y2 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008232795A (ja) * 2007-03-20 2008-10-02 Furuno Electric Co Ltd 超音波探知装置および超音波探知方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008232795A (ja) * 2007-03-20 2008-10-02 Furuno Electric Co Ltd 超音波探知装置および超音波探知方法

Also Published As

Publication number Publication date
JPH0648453Y2 (ja) 1994-12-12

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