JPS5821575A - 反響探知装置 - Google Patents

反響探知装置

Info

Publication number
JPS5821575A
JPS5821575A JP12098381A JP12098381A JPS5821575A JP S5821575 A JPS5821575 A JP S5821575A JP 12098381 A JP12098381 A JP 12098381A JP 12098381 A JP12098381 A JP 12098381A JP S5821575 A JPS5821575 A JP S5821575A
Authority
JP
Japan
Prior art keywords
display
signal
output
gate signal
gate
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
JP12098381A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0143916B2 (en]
Inventor
Unhachi Machida
運八 町田
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.)
Koden Electronics Co Ltd
Original Assignee
Koden Electronics 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 Koden Electronics Co Ltd filed Critical Koden Electronics Co Ltd
Priority to JP12098381A priority Critical patent/JPS5821575A/ja
Publication of JPS5821575A publication Critical patent/JPS5821575A/ja
Publication of JPH0143916B2 publication Critical patent/JPH0143916B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523Details of pulse systems
    • G01S7/526Receivers
    • G01S7/527Extracting wanted echo signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP12098381A 1981-07-31 1981-07-31 反響探知装置 Granted JPS5821575A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12098381A JPS5821575A (ja) 1981-07-31 1981-07-31 反響探知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12098381A JPS5821575A (ja) 1981-07-31 1981-07-31 反響探知装置

Publications (2)

Publication Number Publication Date
JPS5821575A true JPS5821575A (ja) 1983-02-08
JPH0143916B2 JPH0143916B2 (en]) 1989-09-25

Family

ID=14799872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12098381A Granted JPS5821575A (ja) 1981-07-31 1981-07-31 反響探知装置

Country Status (1)

Country Link
JP (1) JPS5821575A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009069164A (ja) * 2002-03-29 2009-04-02 Koden Electronics Co Ltd 魚群探知機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145165A (en) * 1978-05-02 1979-11-13 Mitsubishi Heavy Ind Ltd Input signal detecting level setter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145165A (en) * 1978-05-02 1979-11-13 Mitsubishi Heavy Ind Ltd Input signal detecting level setter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009069164A (ja) * 2002-03-29 2009-04-02 Koden Electronics Co Ltd 魚群探知機

Also Published As

Publication number Publication date
JPH0143916B2 (en]) 1989-09-25

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