JPS6352715B2 - - Google Patents

Info

Publication number
JPS6352715B2
JPS6352715B2 JP56198652A JP19865281A JPS6352715B2 JP S6352715 B2 JPS6352715 B2 JP S6352715B2 JP 56198652 A JP56198652 A JP 56198652A JP 19865281 A JP19865281 A JP 19865281A JP S6352715 B2 JPS6352715 B2 JP S6352715B2
Authority
JP
Japan
Prior art keywords
net
depth
signal
frequency
transmitter
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
JP56198652A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58100765A (ja
Inventor
Fukutaro Takahashi
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 Denki Co Ltd
Original Assignee
Kaijo Denki 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 Kaijo Denki Co Ltd filed Critical Kaijo Denki Co Ltd
Priority to JP56198652A priority Critical patent/JPS58100765A/ja
Publication of JPS58100765A publication Critical patent/JPS58100765A/ja
Publication of JPS6352715B2 publication Critical patent/JPS6352715B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/96—Sonar systems specially adapted for specific applications for locating fish

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP56198652A 1981-12-11 1981-12-11 水中物体探知装置 Granted JPS58100765A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56198652A JPS58100765A (ja) 1981-12-11 1981-12-11 水中物体探知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56198652A JPS58100765A (ja) 1981-12-11 1981-12-11 水中物体探知装置

Publications (2)

Publication Number Publication Date
JPS58100765A JPS58100765A (ja) 1983-06-15
JPS6352715B2 true JPS6352715B2 (enrdf_load_stackoverflow) 1988-10-19

Family

ID=16394774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56198652A Granted JPS58100765A (ja) 1981-12-11 1981-12-11 水中物体探知装置

Country Status (1)

Country Link
JP (1) JPS58100765A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004099815A1 (ja) * 2003-05-09 2004-11-18 Furuno Electric Co., Ltd. 超音波送受信装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0316072Y2 (enrdf_load_stackoverflow) * 1984-10-23 1991-04-08
GB2580726B (en) * 2018-07-11 2022-04-06 Furuno Electric Co Underwater detection apparatus and underwater detection method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831263A (enrdf_load_stackoverflow) * 1971-08-25 1973-04-24
JPS5937472B2 (ja) * 1979-01-10 1984-09-10 敬介 本多 魚種判別魚群探知機
JPS602634B2 (ja) * 1979-05-09 1985-01-23 日本無線株式会社 魚網形状表示装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004099815A1 (ja) * 2003-05-09 2004-11-18 Furuno Electric Co., Ltd. 超音波送受信装置
GB2418020A (en) * 2003-05-09 2006-03-15 Furuno Electrical Company Ltd Ultrasonic wave transmitter/receiver
GB2418020B (en) * 2003-05-09 2006-12-13 Furuno Electrical Company Ltd Ultrasonic transmitting and receiving system
US7460433B2 (en) 2003-05-09 2008-12-02 Furuno Electric Company, Limited Ultrasonic wave transmitting and receiving system for detecting underwater objects

Also Published As

Publication number Publication date
JPS58100765A (ja) 1983-06-15

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