JPS5794671A - Indicator of reflective information - Google Patents

Indicator of reflective information

Info

Publication number
JPS5794671A
JPS5794671A JP17115080A JP17115080A JPS5794671A JP S5794671 A JPS5794671 A JP S5794671A JP 17115080 A JP17115080 A JP 17115080A JP 17115080 A JP17115080 A JP 17115080A JP S5794671 A JPS5794671 A JP S5794671A
Authority
JP
Japan
Prior art keywords
depth
shoal
fish
reflected wave
range
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
JP17115080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6322275B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Hidehiro Shiraishi
Hiroshi Iino
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 JP17115080A priority Critical patent/JPS5794671A/ja
Publication of JPS5794671A publication Critical patent/JPS5794671A/ja
Publication of JPS6322275B2 publication Critical patent/JPS6322275B2/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)
JP17115080A 1980-12-03 1980-12-03 Indicator of reflective information Granted JPS5794671A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17115080A JPS5794671A (en) 1980-12-03 1980-12-03 Indicator of reflective information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17115080A JPS5794671A (en) 1980-12-03 1980-12-03 Indicator of reflective information

Publications (2)

Publication Number Publication Date
JPS5794671A true JPS5794671A (en) 1982-06-12
JPS6322275B2 JPS6322275B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-05-11

Family

ID=15917909

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17115080A Granted JPS5794671A (en) 1980-12-03 1980-12-03 Indicator of reflective information

Country Status (1)

Country Link
JP (1) JPS5794671A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS6322275B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-05-11

Similar Documents

Publication Publication Date Title
JPS5523476A (en) Detection circuit device for ultrasonic propagation time
ES480472A1 (es) Un dispositivo para determinar la distribucion de absorcion espacial en un objeto.
JPS5794671A (en) Indicator of reflective information
EP0055569A3 (en) Distance measuring system
FR2557306B1 (fr) Dispositif de discrimination d'echos radar
AU549297B2 (en) Distance indicating probe
FR2050525A5 (en) Fat content of milk measured continuously
GB1236977A (en) Photo-electric measuring method
JPS5649966A (en) Plane indication device and storing method therefor
US3460059A (en) Circuit arrangement for echo sounders
JPS5380195A (en) Signal detector
JPS5383526A (en) Receiving device for multiple information signal
SU813322A1 (ru) Устройство дл измерени пара-METPOB эКСпОНЕНциАльНОгО СигНАлА
KOSTKO Evaluation of the potential of the LR-3 lidar for detecting a signal due to Rayleigh scattering(in atmosphere)
JPS54150164A (en) Acoustic searching method
JPS5439680A (en) Ultrasonic inspector
JPS55113973A (en) Fish detector for dragnet
JPS5426782A (en) Tube damage detector
DEWITT Tracker studies(the effect of multi-mode propagation on a radar tracker)[Final Report, Feb.-Dec. 1974]
JPS5317752A (en) Ultrasonic transmitter and receiver installing system
陶笃纯 EFFECTS OF AMPLITUDE FLUCTUATIONS OF SIGNAL AND BACKGROUND NOISE ON LINE SPECTRUM DETECTOR PERFORMANCE
JPS53118090A (en) Ultrasonic inspector
JPS5618777A (en) Range measuring apparatus
JPS56100374A (en) Ultrasonic wave detector for moving body
JPS52143881A (en) Ultrasonic flaw detection output evaluating device