Communications: radio wave antennas – Antennas – With housing or protective covering
Patent
1996-11-26
1999-11-09
Wimer, Michael C.
Communications: radio wave antennas
Antennas
With housing or protective covering
343705, 343909, H01Q 500
Patent
active
059823399
ABSTRACT:
An antenna element is provided that includes a frequency selective surface (FSS) portion on its primary radiating/receiving surface. The antenna element is conductively or capacitively coupled to an RF feed structure that can also include an FSS portion. In a preferred embodiment, the FSS antenna portion is located at least partially within the radiation pattern of a second antenna that operates in a frequency range for which the FSS is substantially transparent. In this way, signals being transferred to or from the second antenna through space can travel through the FSS antenna portion with little attenuation and/or reflection.
REFERENCES:
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patent: 4126866 (1978-11-01), Pelton
patent: 4864314 (1989-09-01), Bond
patent: 4926189 (1990-05-01), Zaghloul et al.
patent: 5001493 (1991-03-01), Patin et al.
patent: 5160936 (1992-11-01), Braun et al.
patent: 5395718 (1995-03-01), Jensen et al.
patent: 5485167 (1996-01-01), Wong et al.
patent: 5528249 (1996-06-01), Gafford et al.
Lalezari Farzin
Zidek Paul A.
Ball Aerospace & Technologies Corp.
Wimer Michael C.
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