FR926621A - Direction finder equipped with two identical directed antennas forming a certain angle between them - Google Patents

Direction finder equipped with two identical directed antennas forming a certain angle between them

Info

Publication number
FR926621A
FR926621A FR926621DA FR926621A FR 926621 A FR926621 A FR 926621A FR 926621D A FR926621D A FR 926621DA FR 926621 A FR926621 A FR 926621A
Authority
FR
France
Prior art keywords
certain angle
direction finder
antennas forming
directed antennas
finder equipped
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
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
Application granted granted Critical
Publication of FR926621A publication Critical patent/FR926621A/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
    • 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)
FR926621D 1944-02-26 1946-03-18 Direction finder equipped with two identical directed antennas forming a certain angle between them Expired FR926621A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL248846X 1944-02-26

Publications (1)

Publication Number Publication Date
FR926621A true FR926621A (en) 1947-10-07

Family

ID=19780970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR926621D Expired FR926621A (en) 1944-02-26 1946-03-18 Direction finder equipped with two identical directed antennas forming a certain angle between them

Country Status (4)

Country Link
BE (1) BE462410A (en)
CH (1) CH248846A (en)
FR (1) FR926621A (en)
GB (1) GB636199A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137605A1 (en) * 1971-05-07 1972-12-29 Int Standard Electric Corp

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971912C (en) * 1954-04-14 1959-04-16 Telefunken Gmbh Two-channel direction finder with comparison indicator
DE1019720B (en) * 1956-01-30 1957-11-21 Plath G M B H Nautisch Elektro Arrangement for the automatic adjustment of a dual-channel radio direction finder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137605A1 (en) * 1971-05-07 1972-12-29 Int Standard Electric Corp

Also Published As

Publication number Publication date
GB636199A (en) 1950-04-26
BE462410A (en)
CH248846A (en) 1947-05-31

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