GB594654A - Antenna system for ultra-short waves - Google Patents

Antenna system for ultra-short waves

Info

Publication number
GB594654A
GB594654A GB15095/44A GB1509544A GB594654A GB 594654 A GB594654 A GB 594654A GB 15095/44 A GB15095/44 A GB 15095/44A GB 1509544 A GB1509544 A GB 1509544A GB 594654 A GB594654 A GB 594654A
Authority
GB
United Kingdom
Prior art keywords
wave
guide
probes
ultra
spaced
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
GB15095/44A
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph 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 filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB594654A publication Critical patent/GB594654A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H01Q13/04—Biconical horns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre

Landscapes

  • Waveguide Aerials (AREA)

Abstract

594,654. Wave-guides; aerials. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Aug. 8, 1944, No. 15095. Convention date, Nov. 12, 1941. [Class 40 (v)] A radiator, particularly for ultra - high - frequencies, comprises a wave-guide with a horn flaring from the open end, two elements for producing a transverse rotating field in the guide and a circular plate facing the flared surface of the horn and spaced from it. In Fig. 1, a vertical circular waveguide 1, having a diameter greater than 0.67 of a wavelength, is terminated in a trumpet 7 having a horizontal portion 71. Transmitter 4 feeds probes 5, 6 with short-wave energy, the length of the connectors being such that the fields produced by these probes are in phase quadrature. The probes which may be dipoles or loops, are mounted in the same transverse plane at right angles to each other, and since they are excited in phase quadrature a circularly-polarized wave is produced in the guide. A circular plate 8, of metal or material having a high dielectric constant, faces the flared surface 7<1> of the guide and is spaced from it by a distance greater than a half wavelength. This results in a circularlypolarized wave being radiated equally in all horizontal directions.
GB15095/44A 1941-11-12 1944-08-08 Antenna system for ultra-short waves Expired GB594654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US418715A US2412320A (en) 1941-11-12 1941-11-12 Antenna system

Publications (1)

Publication Number Publication Date
GB594654A true GB594654A (en) 1947-11-17

Family

ID=23659285

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15095/44A Expired GB594654A (en) 1941-11-12 1944-08-08 Antenna system for ultra-short waves

Country Status (2)

Country Link
US (1) US2412320A (en)
GB (1) GB594654A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1298159B (en) * 1960-12-06 1969-06-26 Western Electric Co Omnidirectional antenna system for a position-stabilized, rotationally symmetrical communications satellite

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735093A (en) * 1956-02-14 Airborne beacon antenna
US2605413A (en) * 1943-11-10 1952-07-29 Luis W Alvarez Antenna system with variable directional characteristic
US2493842A (en) * 1944-01-25 1950-01-10 Bell Telephone Labor Inc Wave guide with phase compensating paired bends
US2562332A (en) * 1945-05-03 1951-07-31 Henry J Riblet Tilted slot antenna
US2472212A (en) * 1945-07-09 1949-06-07 Emmett L Hudspeth Method of locating beacons
US2679590A (en) * 1945-09-18 1954-05-25 Us Navy Circular polarization antenna
US2611087A (en) * 1946-01-29 1952-09-16 Alford Andrew Device for radiating circularly polarized waves
US2646566A (en) * 1946-03-01 1953-07-21 Us Sec War Phase-type direction finder system
US2761138A (en) * 1946-05-10 1956-08-28 Dora F Sherman Isotropic radiator
US2635190A (en) * 1946-05-24 1953-04-14 Henry J Riblet Horn radiator adapted to produce circularly polarized waves
US2532919A (en) * 1947-04-21 1950-12-05 Johnson William Arthur Radio aerial system, and particularly directive aerial system
US2567220A (en) * 1947-10-29 1951-09-11 Sperry Corp Scalloped limacon pattern antenna
US2631237A (en) * 1948-05-08 1953-03-10 Fed Telecomm Lab Inc Antenna
US2661422A (en) * 1949-02-21 1953-12-01 Johnson William Arthur Slotted antenna system
US2742612A (en) * 1950-10-24 1956-04-17 Sperry Rand Corp Mode transformer
US2640915A (en) * 1950-12-28 1953-06-02 Int Standard Electric Corp Circularly polarized antenna arrangement for radar
US2738406A (en) * 1951-09-20 1956-03-13 Gen Precision Lab Inc Radio frequency vulcanizing
US2767395A (en) * 1952-01-02 1956-10-16 North American Aviation Inc Beacon antenna
US2727232A (en) * 1952-07-19 1955-12-13 North American Aviation Inc Antenna for radiating elliptically polarized electromagnetic waves
US2771605A (en) * 1954-10-11 1956-11-20 Cook Electric Co Omnidirectional antenna
US2918632A (en) * 1954-12-01 1959-12-22 Sperry Rand Corp Microwave hybrid junction
US2866972A (en) * 1956-09-26 1958-12-30 Airtron Inc Microwave polarization apparatus
US2912870A (en) * 1957-12-16 1959-11-17 Roberts Brass Mfg Co Valve operating mechanism
BE639563A (en) * 1962-11-05
US3453621A (en) * 1966-07-08 1969-07-01 Hughes Aircraft Co Dual mode receiving and transmitting antenna
US4861124A (en) * 1987-05-13 1989-08-29 Sanders Associates, Inc. Dual-section spatial modulation transmitter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1298159B (en) * 1960-12-06 1969-06-26 Western Electric Co Omnidirectional antenna system for a position-stabilized, rotationally symmetrical communications satellite

Also Published As

Publication number Publication date
US2412320A (en) 1946-12-10

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