JPS61167570U - - Google Patents

Info

Publication number
JPS61167570U
JPS61167570U JP5151885U JP5151885U JPS61167570U JP S61167570 U JPS61167570 U JP S61167570U JP 5151885 U JP5151885 U JP 5151885U JP 5151885 U JP5151885 U JP 5151885U JP S61167570 U JPS61167570 U JP S61167570U
Authority
JP
Japan
Prior art keywords
circuit
square
transducer
signal
receiving amplifier
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
JP5151885U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02711Y2 (enExample
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 JP5151885U priority Critical patent/JPH02711Y2/ja
Publication of JPS61167570U publication Critical patent/JPS61167570U/ja
Application granted granted Critical
Publication of JPH02711Y2 publication Critical patent/JPH02711Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP5151885U 1985-04-06 1985-04-06 Expired JPH02711Y2 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5151885U JPH02711Y2 (enExample) 1985-04-06 1985-04-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5151885U JPH02711Y2 (enExample) 1985-04-06 1985-04-06

Publications (2)

Publication Number Publication Date
JPS61167570U true JPS61167570U (enExample) 1986-10-17
JPH02711Y2 JPH02711Y2 (enExample) 1990-01-09

Family

ID=30570641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5151885U Expired JPH02711Y2 (enExample) 1985-04-06 1985-04-06

Country Status (1)

Country Link
JP (1) JPH02711Y2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006038330A1 (ja) * 2004-10-01 2006-04-13 Furuno Electric Co., Ltd. 魚群の魚量情報を算出可能な水中探知装置及びその方法
JP2006275755A (ja) * 2005-03-29 2006-10-12 Furuno Electric Co Ltd 超音波送受信装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006038330A1 (ja) * 2004-10-01 2006-04-13 Furuno Electric Co., Ltd. 魚群の魚量情報を算出可能な水中探知装置及びその方法
JP2006105701A (ja) * 2004-10-01 2006-04-20 Hokkaido Univ 魚群の魚量情報を算出可能な水中探知装置及びその方法
GB2432672A (en) * 2004-10-01 2007-05-30 Furuno Electric Co Underwater detector and method capable of calculating fish quantity information on school of fish
GB2432672B (en) * 2004-10-01 2008-04-09 Furuno Electric Co Underwater detector and method capable of calculating fish quantity information on school of fish
US7768875B2 (en) 2004-10-01 2010-08-03 Furuno Electric Co., Ltd. Underwater sounding apparatus capable of calculating fish quantity information about fish school and method of such calculation
JP2006275755A (ja) * 2005-03-29 2006-10-12 Furuno Electric Co Ltd 超音波送受信装置

Also Published As

Publication number Publication date
JPH02711Y2 (enExample) 1990-01-09

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