CH231920A - Directional antenna system for beacon transmitters. - Google Patents

Directional antenna system for beacon transmitters.

Info

Publication number
CH231920A
CH231920A CH231920DA CH231920A CH 231920 A CH231920 A CH 231920A CH 231920D A CH231920D A CH 231920DA CH 231920 A CH231920 A CH 231920A
Authority
CH
Switzerland
Prior art keywords
antenna system
directional antenna
beacon transmitters
beacon
transmitters
Prior art date
Application number
Other languages
German (de)
Inventor
Fides Gesellschaft Beschraenk
Original Assignee
Fides Gmbh
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 Fides Gmbh filed Critical Fides Gmbh
Publication of CH231920A publication Critical patent/CH231920A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
CH231920D 1941-10-15 1942-10-05 Directional antenna system for beacon transmitters. CH231920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE231920X 1941-10-15

Publications (1)

Publication Number Publication Date
CH231920A true CH231920A (en) 1944-04-30

Family

ID=5878275

Family Applications (1)

Application Number Title Priority Date Filing Date
CH231920D CH231920A (en) 1941-10-15 1942-10-05 Directional antenna system for beacon transmitters.

Country Status (2)

Country Link
CH (1) CH231920A (en)
FR (1) FR894357A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513498A (en) * 1945-10-11 1950-07-04 Wireless aerial system
US2846680A (en) * 1946-06-29 1958-08-05 Bell Telephone Labor Inc Directive antennas

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513498A (en) * 1945-10-11 1950-07-04 Wireless aerial system
US2846680A (en) * 1946-06-29 1958-08-05 Bell Telephone Labor Inc Directive antennas

Also Published As

Publication number Publication date
FR894357A (en) 1944-12-21

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