FR875404A - Dispositif goniométrique comportant deux systèmes d'antenne dirigés identiques, disposés perpendiculairement l'un par rapport à l'autre - Google Patents

Dispositif goniométrique comportant deux systèmes d'antenne dirigés identiques, disposés perpendiculairement l'un par rapport à l'autre

Info

Publication number
FR875404A
FR875404A FR875404DA FR875404A FR 875404 A FR875404 A FR 875404A FR 875404D A FR875404D A FR 875404DA FR 875404 A FR875404 A FR 875404A
Authority
FR
France
Prior art keywords
arranged perpendicular
antenna systems
directed antenna
goniometric device
identical directed
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
Other languages
English (en)
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority claimed from GB206642A external-priority patent/GB553618A/en
Application granted granted Critical
Publication of FR875404A publication Critical patent/FR875404A/fr
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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/143—Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR875404D 1940-08-10 1941-08-08 Dispositif goniométrique comportant deux systèmes d'antenne dirigés identiques, disposés perpendiculairement l'un par rapport à l'autre Expired FR875404A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2485353X 1940-08-10
GB206642A GB553618A (en) 1942-02-16 1942-02-16 Improvements in or relating to wireless direction finders

Publications (1)

Publication Number Publication Date
FR875404A true FR875404A (fr) 1942-09-21

Family

ID=32232333

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875404D Expired FR875404A (fr) 1940-08-10 1941-08-08 Dispositif goniométrique comportant deux systèmes d'antenne dirigés identiques, disposés perpendiculairement l'un par rapport à l'autre

Country Status (3)

Country Link
US (1) US2485353A (enrdf_load_stackoverflow)
BE (1) BE442426A (enrdf_load_stackoverflow)
FR (1) FR875404A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880415A (en) * 1953-03-23 1959-03-31 Wachtler Maximilian Direction finder with visual indication
US3105193A (en) * 1955-08-15 1963-09-24 Robert L Denton Visual frequency indicator for broad band sonar monitor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2182950A (en) * 1935-05-14 1939-12-12 William A Fairlie Direction finder or course indicator
GB553618A (en) * 1942-02-16 1943-05-28 Philips Nv Improvements in or relating to wireless direction finders
US2407649A (en) * 1941-07-23 1946-09-17 Bell Telephone Labor Inc Direction finding system

Also Published As

Publication number Publication date
US2485353A (en) 1949-10-18
BE442426A (enrdf_load_stackoverflow) 1941-09-30

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