FR1556291A - - Google Patents

Info

Publication number
FR1556291A
FR1556291A FR1556291DA FR1556291A FR 1556291 A FR1556291 A FR 1556291A FR 1556291D A FR1556291D A FR 1556291DA FR 1556291 A FR1556291 A FR 1556291A
Authority
FR
France
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)
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
Application granted granted Critical
Publication of FR1556291A publication Critical patent/FR1556291A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR1556291D 1967-12-08 1967-12-08 Expired FR1556291A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR131573 1967-12-08

Publications (1)

Publication Number Publication Date
FR1556291A true FR1556291A (en) 1969-02-07

Family

ID=8642969

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1556291D Expired FR1556291A (en) 1967-12-08 1967-12-08

Country Status (1)

Country Link
FR (1) FR1556291A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2033258A1 (en) * 1969-01-22 1970-12-04 Int Standard Electric Corp
FR2487985A1 (en) * 1980-08-01 1982-02-05 Commw Of Australia DEVICE AND METHOD FOR ATTACKING ANTENNAS FOR A VERY HIGH FREQUENCY OMNIDIRECTIONAL NAVIGATION SYSTEM

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2033258A1 (en) * 1969-01-22 1970-12-04 Int Standard Electric Corp
FR2487985A1 (en) * 1980-08-01 1982-02-05 Commw Of Australia DEVICE AND METHOD FOR ATTACKING ANTENNAS FOR A VERY HIGH FREQUENCY OMNIDIRECTIONAL NAVIGATION SYSTEM

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Legal Events

Date Code Title Description
ST Notification of lapse