GB1115660A - Improvements in automatic tracking systems for high frequency aerials - Google Patents

Improvements in automatic tracking systems for high frequency aerials

Info

Publication number
GB1115660A
GB1115660A GB4955365A GB4955365A GB1115660A GB 1115660 A GB1115660 A GB 1115660A GB 4955365 A GB4955365 A GB 4955365A GB 4955365 A GB4955365 A GB 4955365A GB 1115660 A GB1115660 A GB 1115660A
Authority
GB
United Kingdom
Prior art keywords
diameters
pairs
cavities
magic
waveguide
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
GB4955365A
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite 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
Priority claimed from FR995801A external-priority patent/FR1423109A/fr
Application filed by Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Publication of GB1115660A publication Critical patent/GB1115660A/en
Expired legal-status Critical Current

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
    • H01Q25/04—Multimode antennas
    • 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
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
    • 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
    • H01Q3/01—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 shape of the antenna or antenna system

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB4955365A 1964-11-20 1965-11-22 Improvements in automatic tracking systems for high frequency aerials Expired GB1115660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR995801A FR1423109A (fr) 1964-11-20 1964-11-20 Perfectionnements aux dispositifs de poursuite automatique pour antennes à hyperfréquences

Publications (1)

Publication Number Publication Date
GB1115660A true GB1115660A (en) 1968-05-29

Family

ID=8843030

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4955365A Expired GB1115660A (en) 1964-11-20 1965-11-22 Improvements in automatic tracking systems for high frequency aerials

Country Status (4)

Country Link
BE (1) BE672379A (de)
DE (1) DE1280991B (de)
GB (1) GB1115660A (de)
NL (1) NL6514976A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163909A (en) * 1984-08-29 1986-03-05 Era Patents Ltd Beacon tracking system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2804132C2 (de) * 1978-01-31 1986-09-04 Siemens AG, 1000 Berlin und 8000 München Wellentypenweiche

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163909A (en) * 1984-08-29 1986-03-05 Era Patents Ltd Beacon tracking system

Also Published As

Publication number Publication date
BE672379A (de) 1966-05-16
DE1280991B (de) 1968-10-24
NL6514976A (de) 1966-05-23

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