GB1434744A - Sonar display - Google Patents

Sonar display

Info

Publication number
GB1434744A
GB1434744A GB3716773A GB3716773A GB1434744A GB 1434744 A GB1434744 A GB 1434744A GB 3716773 A GB3716773 A GB 3716773A GB 3716773 A GB3716773 A GB 3716773A GB 1434744 A GB1434744 A GB 1434744A
Authority
GB
United Kingdom
Prior art keywords
display
range
counter
angle
counters
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
GB3716773A
Other languages
English (en)
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.)
Westinghouse Canada Inc
Original Assignee
Westinghouse Canada Inc
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 Westinghouse Canada Inc filed Critical Westinghouse Canada Inc
Publication of GB1434744A publication Critical patent/GB1434744A/en
Expired 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
    • G01S7/56—Display arrangements
    • G01S7/62—Cathode-ray tube displays
    • G01S7/6218—Cathode-ray tube displays providing two-dimensional coordinated display of distance and direction
    • G01S7/6227—Plan-position indicators, i.e. P.P.I.
    • 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
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/12—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB3716773A 1972-08-09 1973-08-06 Sonar display Expired GB1434744A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA148,966A CA1004313A (en) 1972-08-09 1972-08-09 Sonar display

Publications (1)

Publication Number Publication Date
GB1434744A true GB1434744A (en) 1976-05-05

Family

ID=4094074

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3716773A Expired GB1434744A (en) 1972-08-09 1973-08-06 Sonar display

Country Status (5)

Country Link
CA (1) CA1004313A (enrdf_load_html_response)
DE (1) DE2340155A1 (enrdf_load_html_response)
FR (1) FR2195798B1 (enrdf_load_html_response)
GB (1) GB1434744A (enrdf_load_html_response)
NL (1) NL7310997A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493992A1 (fr) * 1980-11-07 1982-05-14 Framatome Sa Localisateur d'emission acoustique de defauts dans une structure fermee
FR2544504B1 (fr) * 1983-04-12 1985-07-05 Thomson Csf Dispositif de visualisation pour sonars

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267265A (en) * 1963-10-04 1966-08-16 Alfred E Popodi Random access instantaneous digital-to-analog co-ordinate converter
FR1499869A (fr) * 1965-10-26 1967-11-03 Hollandse Signaalapparaten Bv Système indicateur d'oscillographe cathodique
US3751712A (en) * 1970-04-29 1973-08-07 Hughes Aircraft Co Digital differential analyzer spiral scan generator

Also Published As

Publication number Publication date
DE2340155A1 (de) 1974-02-21
NL7310997A (enrdf_load_html_response) 1974-02-12
FR2195798B1 (enrdf_load_html_response) 1977-07-29
FR2195798A1 (enrdf_load_html_response) 1974-03-08
CA1004313A (en) 1977-01-25

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees