Multi-band antenna system supporting multiple communication...

Details Multi-band antenna system supporting multiple communication... Multi-band antenna system supporting multiple communication...

2005-08-30

2005-08-30

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

Wave guide type

C343S772000, C333S02100R, C333S125000

Reexamination Certificate

active

06937203

ABSTRACT:
An antenna comprising a reflector having a reflector surface profile for reflecting a plurality of signals comprising a plurality of communication bands; a multi-depth corrugated horn assembly for receiving the signal comprising the plurality of communication bands; a stepped waveguide coupled to the corrugated horn; a first polarizer coupled to the stepped waveguide for separating a first communication band from the plurality of communication bands; a second polarizer coupled to the stepped waveguide for separating a second communication band from the plurality of communication bands; and a third polarizer coupled to the stepped waveguide for separating a third communication band from the plurality of communication bands. The antenna can simultaneously operate in the K, Ka and EHF frequency bands. Extension of this antenna to include five separate frequency bands is demonstrated.

REFERENCES:
patent: 3696434 (1972-10-01), Sciambi, Jr.
patent: 4847574 (1989-07-01), Gauthier et al.
patent: 6005528 (1999-12-01), Preiss et al.
patent: 6094175 (2000-07-01), Alessi et al.
patent: 6812807 (2004-11-01), Ergene et al.

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