Communications: radio wave antennas – Antennas – Plural separate diverse type
Patent
1991-01-28
1992-11-24
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Plural separate diverse type
343730, 343767, 343770, 343795, 343807, H01Q 928, H01Q 2124
Patent
active
051666979
ABSTRACT:
The antenna system includes a complementary "bowtie" dipole-slot antenna, the antenna having symmetrical halves about a plane of symmetry. The two halves of the antenna are slanted at the plane of symmetry such that the total included angle between the halves is between 70 degrees and 120 degrees. A ground plane is positioned between the halves of the antenna extending through the plane of symmetry. A circuit is included for independently exciting the halves of the antenna. In a second embodiment the ground plane incorporates a pair of notch antennas. Thus, both vertical and horizontal polarization can be achieved independent of each other.
REFERENCES:
patent: 3193831 (1965-07-01), Yang
patent: 3266044 (1966-08-01), Bresler
Moule William N.
Viladevall Eduardo E.
Dachs Louis L.
Lockheed Corporation
Wimer Michael C.
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