NL7209602A - - Google Patents

Info

Publication number
NL7209602A
NL7209602A NL7209602A NL7209602A NL7209602A NL 7209602 A NL7209602 A NL 7209602A NL 7209602 A NL7209602 A NL 7209602A NL 7209602 A NL7209602 A NL 7209602A NL 7209602 A NL7209602 A NL 7209602A
Authority
NL
Netherlands
Application number
NL7209602A
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 filed Critical
Publication of NL7209602A publication Critical patent/NL7209602A/xx

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
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • 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
    • G01S1/00—Beacons 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
    • G01S1/02—Beacons 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 radio waves
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/20—Position of source determined by a plurality of spaced direction-finders
    • 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
    • G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/01—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations specially adapted for specific applications
    • G01S2205/03—Airborne

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
NL7209602A 1971-07-24 1972-07-12 NL7209602A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2137074A DE2137074A1 (de) 1971-07-24 1971-07-24 Verfahren und vorrichtung zum auffinden und verfolgen von schallabstrahlenden objekten im wasser

Publications (1)

Publication Number Publication Date
NL7209602A true NL7209602A (xx) 1974-03-25

Family

ID=5814696

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7209602A NL7209602A (xx) 1971-07-24 1972-07-12

Country Status (5)

Country Link
DE (1) DE2137074A1 (xx)
FR (1) FR2211660B1 (xx)
GB (1) GB1360345A (xx)
IT (1) IT966656B (xx)
NL (1) NL7209602A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937900C2 (de) * 1979-09-19 1982-05-27 Siemens AG, 1000 Berlin und 8000 München Verfahren und Einrichtung zur automatischen Personenortung
GB2133149B (en) * 1982-05-10 1986-04-09 Clive Robert Green Detecting device
SE455890B (sv) * 1983-02-24 1988-08-15 Philips Norden Ab Sett att bestemma leget av en ljudkella inom ett vattenomrade samt anleggning for utforande av settet
GB8716239D0 (en) * 1987-07-10 1988-04-27 British Aerospace Position identification

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448713A (en) * 1944-12-02 1948-09-07 Rca Corp Radio listening buoy
FR1005524A (fr) * 1947-08-01 1952-04-11 Perfectionnements apportés aux bouées flottantes de repérage, notamment aux bouées de repérage et de détection des bancs de poissons
FR1240790A (fr) * 1958-10-23 1960-09-09 Dispositif de navigation pour avions

Also Published As

Publication number Publication date
DE2137074A1 (de) 1974-05-22
FR2211660B1 (xx) 1977-08-26
FR2211660A1 (xx) 1974-07-19
GB1360345A (en) 1974-07-17
IT966656B (it) 1974-02-20

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