NO125784B - - Google Patents

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Publication number
NO125784B
NO125784B NO371A NO371A NO125784B NO 125784 B NO125784 B NO 125784B NO 371 A NO371 A NO 371A NO 371 A NO371 A NO 371A NO 125784 B NO125784 B NO 125784B
Authority
NO
Norway
Prior art keywords
integration
indication
echo signals
time
controlled
Prior art date
Application number
NO371A
Other languages
English (en)
Norwegian (no)
Inventor
O Melandsoer
Original Assignee
Simrad As
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 Simrad As filed Critical Simrad As
Priority to NO371A priority Critical patent/NO125784B/no
Priority to DE19722200014 priority patent/DE2200014A1/de
Priority to FR7200097A priority patent/FR2121555A1/fr
Publication of NO125784B publication Critical patent/NO125784B/no

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
    • 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
    • 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
    • G01S7/56—Display arrangements
    • G01S7/60—Display arrangements for providing a permanent recording
    • 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
    • G01S7/56—Display arrangements
    • G01S7/62—Cathode-ray tube displays

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
NO371A 1971-01-04 1971-01-04 NO125784B (enrdf_load_html_response)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NO371A NO125784B (enrdf_load_html_response) 1971-01-04 1971-01-04
DE19722200014 DE2200014A1 (de) 1971-01-04 1972-01-03 Echolotanlage
FR7200097A FR2121555A1 (enrdf_load_html_response) 1971-01-04 1972-01-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO371A NO125784B (enrdf_load_html_response) 1971-01-04 1971-01-04

Publications (1)

Publication Number Publication Date
NO125784B true NO125784B (enrdf_load_html_response) 1972-10-30

Family

ID=19877305

Family Applications (1)

Application Number Title Priority Date Filing Date
NO371A NO125784B (enrdf_load_html_response) 1971-01-04 1971-01-04

Country Status (3)

Country Link
DE (1) DE2200014A1 (enrdf_load_html_response)
FR (1) FR2121555A1 (enrdf_load_html_response)
NO (1) NO125784B (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8407512D0 (en) * 1984-03-22 1984-05-31 Salubre Investments Processing of reflected signals

Also Published As

Publication number Publication date
FR2121555A1 (enrdf_load_html_response) 1972-08-25
DE2200014A1 (de) 1972-09-07

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