JPH0135309B2 - - Google Patents

Info

Publication number
JPH0135309B2
JPH0135309B2 JP5649779A JP5649779A JPH0135309B2 JP H0135309 B2 JPH0135309 B2 JP H0135309B2 JP 5649779 A JP5649779 A JP 5649779A JP 5649779 A JP5649779 A JP 5649779A JP H0135309 B2 JPH0135309 B2 JP H0135309B2
Authority
JP
Japan
Prior art keywords
signal
circuit
seabed
time
peak value
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
JP5649779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55149069A (en
Inventor
Masaaki Oguri
Naomichi Ito
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP5649779A priority Critical patent/JPS55149069A/ja
Publication of JPS55149069A publication Critical patent/JPS55149069A/ja
Publication of JPH0135309B2 publication Critical patent/JPH0135309B2/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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting 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)
JP5649779A 1979-05-09 1979-05-09 Digital depth sounder Granted JPS55149069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5649779A JPS55149069A (en) 1979-05-09 1979-05-09 Digital depth sounder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5649779A JPS55149069A (en) 1979-05-09 1979-05-09 Digital depth sounder

Publications (2)

Publication Number Publication Date
JPS55149069A JPS55149069A (en) 1980-11-20
JPH0135309B2 true JPH0135309B2 (US20100223739A1-20100909-C00005.png) 1989-07-25

Family

ID=13028729

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5649779A Granted JPS55149069A (en) 1979-05-09 1979-05-09 Digital depth sounder

Country Status (1)

Country Link
JP (1) JPS55149069A (US20100223739A1-20100909-C00005.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156574A (en) * 1981-03-23 1982-09-27 Oki Electric Ind Co Ltd Acoustic range finder
JPS58206990A (ja) * 1982-05-26 1983-12-02 Yokogawa Hokushin Electric Corp 超音波反射波受信装置
JPS6330777A (ja) * 1986-07-24 1988-02-09 Iseki & Co Ltd 超音波センサ−の検出制御方式
JPH01100488A (ja) * 1987-10-14 1989-04-18 Tokyo Keiki Co Ltd 超音波距離測定装置

Also Published As

Publication number Publication date
JPS55149069A (en) 1980-11-20

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