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NL6918965A - - Google Patents

Info

Publication number
NL6918965A
NL6918965A NL6918965A NL6918965A NL6918965A NL 6918965 A NL6918965 A NL 6918965A NL 6918965 A NL6918965 A NL 6918965A NL 6918965 A NL6918965 A NL 6918965A NL 6918965 A NL6918965 A NL 6918965A
Authority
NL
Netherlands
Application number
NL6918965A
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
Priority claimed from GB2651065A external-priority patent/GB1156322A/en
Application filed filed Critical
Publication of NL6918965A publication Critical patent/NL6918965A/xx

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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06Systems determining the position data of a target
    • G01S15/42Simultaneous measurement of distance and other co-ordinates
    • 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
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
    • 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
    • G01S7/56Display arrangements

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)
NL6918965A 1965-06-23 1969-12-17 NL6918965A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2651065A GB1156322A (en) 1965-06-23 1965-06-23 Improvements in or relating to Sonar Apparatus
GB2651165A GB1156323A (en) 1965-06-23 1965-06-23 Improvements in or relating to Sonar Apparatus
GB6065268 1968-12-20

Publications (1)

Publication Number Publication Date
NL6918965A true NL6918965A (fr) 1970-06-23

Family

ID=27258527

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6918965A NL6918965A (fr) 1965-06-23 1969-12-17

Country Status (4)

Country Link
DE (1) DE1964096A1 (fr)
FR (1) FR2026734A6 (fr)
GB (1) GB1234237A (fr)
NL (1) NL6918965A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2083625B (en) * 1980-09-10 1984-11-14 Plessey Co Ltd Improvements in or relating to sonar receivers

Also Published As

Publication number Publication date
FR2026734A6 (fr) 1970-09-18
GB1234237A (fr) 1971-06-03
DE1964096A1 (de) 1970-08-13

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