H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
351/21
H01Q 3/24 (2006.01) H01Q 1/28 (2006.01) H01Q 21/06 (2006.01) H01Q 25/00 (2006.01)
Patent
CA 2029762
A single aperture antenna system disposed to operate simultaneously in active radar and passive broadband modes is disclosed herein. The dual mode antenna apparatus 40 of the present invention includes a waveguide antenna array 50 which generates a first radiation pattern of a first polarization within an antenna aperture A described thereby. The antenna apparatus 40 of the present invention further includes a broadband antenna array 60 coupled to the waveguide antenna array 50 for generating a second radiation pattern of a second polarization within the aperture A.
Bell David S.
Kreinheder Donald E.
Hughes Aircraft Company
Sim & Mcburney
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