GB389142A - Improvements in or relating to aerial systems - Google Patents

Improvements in or relating to aerial systems

Info

Publication number
GB389142A
GB389142A GB25563/31A GB2556331A GB389142A GB 389142 A GB389142 A GB 389142A GB 25563/31 A GB25563/31 A GB 25563/31A GB 2556331 A GB2556331 A GB 2556331A GB 389142 A GB389142 A GB 389142A
Authority
GB
United Kingdom
Prior art keywords
oscillators
rod
units
energized
aerial
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
GB25563/31A
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.)
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 GB25563/31A priority Critical patent/GB389142A/en
Priority to FR738872D priority patent/FR738872A/fr
Priority to DEM120843D priority patent/DE588513C/de
Priority to US632574A priority patent/US2049070A/en
Publication of GB389142A publication Critical patent/GB389142A/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
    • H01Q19/10—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 reflecting surfaces
    • H01Q19/12—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 reflecting surfaces wherein the surfaces are concave
    • H01Q19/13—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 reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Transducers For Ultrasonic Waves (AREA)
GB25563/31A 1931-09-11 1931-09-11 Improvements in or relating to aerial systems Expired GB389142A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB25563/31A GB389142A (en) 1931-09-11 1931-09-11 Improvements in or relating to aerial systems
FR738872D FR738872A (fr) 1931-09-11 1932-06-21 Perfectionnements aux systèmes d'antennes
DEM120843D DE588513C (de) 1931-09-11 1932-08-25 Richtantenne
US632574A US2049070A (en) 1931-09-11 1932-09-10 Aerial system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25563/31A GB389142A (en) 1931-09-11 1931-09-11 Improvements in or relating to aerial systems

Publications (1)

Publication Number Publication Date
GB389142A true GB389142A (en) 1933-03-13

Family

ID=10229706

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25563/31A Expired GB389142A (en) 1931-09-11 1931-09-11 Improvements in or relating to aerial systems

Country Status (4)

Country Link
US (1) US2049070A (de)
DE (1) DE588513C (de)
FR (1) FR738872A (de)
GB (1) GB389142A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521524A (en) * 1945-04-27 1950-09-05 Bell Telephone Labor Inc Directional antenna system
US2604595A (en) * 1945-09-25 1952-07-22 Standard Telephones Cables Ltd Antenna reflector
US2598475A (en) * 1945-12-17 1952-05-27 Raytheon Mfg Co Antenna system
US2603749A (en) * 1946-04-08 1952-07-15 Bell Telephone Labor Inc Directive antenna system
US2572430A (en) * 1946-05-17 1951-10-23 Breeze Corp Antenna structure
US2922161A (en) * 1954-11-17 1960-01-19 Raytheon Co Antenna reflectors
US2989746A (en) * 1956-08-21 1961-06-20 Marconi Wireless Telegraph Co Scanning antenna system utilizing polarization filters
US3218645A (en) * 1958-03-06 1965-11-16 Hermann W Ehrenspeck Endfire array having vertically and horizontally spaced parasitic arrays
US3271552A (en) * 1963-02-01 1966-09-06 Litton Prec Products Inc Microwave heating apparatus
US3329960A (en) * 1964-10-01 1967-07-04 Winegard Co Collapsible parabolic antenna
US3483563A (en) * 1965-10-13 1969-12-09 Collins Radio Co Combination vertically-horizontally polarized paracylinder antennas
US4348677A (en) * 1979-06-25 1982-09-07 General Dynamics, Pomona Division Common aperture dual mode seeker antenna
US4295143A (en) * 1980-02-15 1981-10-13 Winegard Company Low wind load modified farabolic antenna

Also Published As

Publication number Publication date
FR738872A (fr) 1932-12-30
DE588513C (de) 1933-11-18
US2049070A (en) 1936-07-28

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