GB582755A - Improvements in or relating to arrangements of aerials for radio-beacons - Google Patents

Improvements in or relating to arrangements of aerials for radio-beacons

Info

Publication number
GB582755A
GB582755A GB3674/42A GB367442A GB582755A GB 582755 A GB582755 A GB 582755A GB 3674/42 A GB3674/42 A GB 3674/42A GB 367442 A GB367442 A GB 367442A GB 582755 A GB582755 A GB 582755A
Authority
GB
United Kingdom
Prior art keywords
aerials
radio
directive
beacons
arrangements
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
GB3674/42A
Other languages
English (en)
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.)
Ind Radio Electr S A D I R SA
Original Assignee
Ind Radio Electr S A D I R SA
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 Ind Radio Electr S A D I R SA filed Critical Ind Radio Electr S A D I R SA
Publication of GB582755A publication Critical patent/GB582755A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/22—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of a single substantially straight conductive element
    • H01Q19/24—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of a single substantially straight conductive element the primary active element being centre-fed and substantially straight, e.g. H-antenna
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radio Relay Systems (AREA)
GB3674/42A 1941-05-29 1942-03-19 Improvements in or relating to arrangements of aerials for radio-beacons Expired GB582755A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR582755X 1941-05-29

Publications (1)

Publication Number Publication Date
GB582755A true GB582755A (en) 1946-11-27

Family

ID=8958249

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3674/42A Expired GB582755A (en) 1941-05-29 1942-03-19 Improvements in or relating to arrangements of aerials for radio-beacons

Country Status (2)

Country Link
FR (1) FR961705A (de)
GB (1) GB582755A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1579452A (en) * 1977-06-23 1980-11-19 Npp Teshka Radioelektronika Aerial system

Also Published As

Publication number Publication date
FR961705A (de) 1950-05-19

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