Communications: radio wave antennas – Antennas – With spaced or external radio wave refractor
Patent
1993-11-12
1997-04-29
Hajec, Donald T.
Communications: radio wave antennas
Antennas
With spaced or external radio wave refractor
343895, 343840, 343911L, H01Q 1906, H01Q 136
Patent
active
056253680
ABSTRACT:
An antenna system for receiving radiowaves includes a Lundeburg-type lens which reflects radiowaves to a focal point of the lens. A helical primary feed is located in the proximity of the focal point. Electronic circuitry for processing the radiowaves in a desired manner and the primary feed are supported in a hollow support structure in the proximity of the focal point.
REFERENCES:
patent: 3184249 (1965-05-01), Kach
patent: 3255452 (1966-06-01), Walter et al.
patent: 3487413 (1969-12-01), Shores
patent: 4178576 (1979-12-01), Schmidt, Jr. et al.
patent: 4287519 (1981-09-01), Doi
patent: 4742359 (1988-05-01), Ishino et al.
patent: 5202699 (1993-04-01), Hemmie et al.
patent: 5225668 (1993-07-01), Hilliard et al.
Fremanteau Patrice
Fujimoto Masahiro
Harrison David
Howson Christopher
Hajec Donald T.
Herrmann Eric P.
Ho Tan
Thomson Consumer Electronics S.A.
Tripoli Joseph S.
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