Wideband cavity-backed antenna

Details Wideband cavity-backed antenna Wideband cavity-backed antenna

2004-04-08

2008-03-04

Wimer, Michael C. (Department: 2821)

Communications: radio wave antennas

Antennas

Wave guide type

C343S891000

Reexamination Certificate

active

07339541

ABSTRACT:
An antenna system is disclosed that includes a mast, waveguides positioned about the mast, and a feed system positioned external to the mast and between adjacent waveguides, such the feed system can be easily serviced. The waveguides include radiator elements that are easy to manufacture, and thus reduce the cost associated with wideband cavity-backed antennas. Further, adjustable disc-like and spherical radiating elements for exciting the fields in the waveguides are also disclosed. DC voltage buildup on the radiating elements are grounded by an easily attachable coaxial structure.

REFERENCES:
patent: 2431124 (1947-11-01), Kees et al.
patent: 2573401 (1951-10-01), Carter
patent: 2778014 (1957-01-01), Rowland
patent: 3177491 (1965-04-01), Rateau
patent: 3210694 (1965-10-01), Ehlers
patent: 3460149 (1969-08-01), McMahon
patent: 4821040 (1989-04-01), Johnson et al.
patent: 5010348 (1991-04-01), Rene et al.
patent: 5539418 (1996-07-01), Egashira et al.
patent: 6150988 (2000-11-01), Sinclair et al.
patent: 6388633 (2002-05-01), Imaizumi et al.

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