GB827083A - Improvements in or relating to aerial systems - Google Patents

Improvements in or relating to aerial systems

Info

Publication number
GB827083A
GB827083A GB427/57A GB42757A GB827083A GB 827083 A GB827083 A GB 827083A GB 427/57 A GB427/57 A GB 427/57A GB 42757 A GB42757 A GB 42757A GB 827083 A GB827083 A GB 827083A
Authority
GB
United Kingdom
Prior art keywords
bolt
cone
nuts
halves
sleeve
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
GB427/57A
Other languages
English (en)
Inventor
Mieczyslaw Wielobob
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to ES0238259A priority Critical patent/ES238259A1/es
Publication of GB827083A publication Critical patent/GB827083A/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
    • H01Q19/06—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 refracting or diffracting devices, e.g. lens
    • 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
    • H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/14—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying the relative position of primary active element and a refracting or diffracting device

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Dowels (AREA)
GB427/57A 1957-01-04 1957-01-04 Improvements in or relating to aerial systems Expired GB827083A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0238259A ES238259A1 (es) 1957-01-04 1957-10-25 Perfeccionamientos en antenas de directividad rotativa

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB345926X 1957-01-04
GB160957X 1957-09-16

Publications (1)

Publication Number Publication Date
GB827083A true GB827083A (en) 1960-02-03

Family

ID=26251799

Family Applications (1)

Application Number Title Priority Date Filing Date
GB427/57A Expired GB827083A (en) 1957-01-04 1957-01-04 Improvements in or relating to aerial systems

Country Status (4)

Country Link
CH (1) CH345926A (de)
DE (1) DE1044184B (de)
FR (1) FR1189018A (de)
GB (1) GB827083A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795914A (en) * 1972-09-20 1974-03-05 E Systems Inc Rotating beacon antenna with polarization filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795914A (en) * 1972-09-20 1974-03-05 E Systems Inc Rotating beacon antenna with polarization filter

Also Published As

Publication number Publication date
FR1189018A (fr) 1959-09-28
DE1044184B (de) 1958-11-20
CH345926A (fr) 1960-04-30

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