Dual frequency aperture antenna

Details Dual frequency aperture antenna Dual frequency aperture antenna

2006-11-01

2010-02-23

Nguyen, Hoang V (Department: 2821)

Communications: radio wave antennas

Antennas

Antenna components

C343S91100R, C343S753000

Reexamination Certificate

active

07667665

ABSTRACT:
A dual frequency radar antenna for connection to a first radar transmitter/receiver set which operates in a relatively lower frequency band and to a second radar transmitter/receiver set which operates in a relatively higher frequency band. The dual frequency radar antenna has a spherical dielectric lens having a first array of inputs coupled with the first radar transmitter/receiver set and a second array of inputs coupled with the second radar transmitter/receiver set. The spherical dielectric lens forms relatively higher frequency beams that are relatively tightly spaced about a centerline of the spherical dielectric lens while the spherical dielectric lens also forms relatively lower frequency beams that are relatively farther spaced about a centerline of the spherical dielectric lens than are the relatively higher frequency beams.

REFERENCES:
patent: 5821908 (1998-10-01), Sreenivas
patent: 6606077 (2003-08-01), Ebling et al.
patent: 7411542 (2008-08-01), O'Boyle

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