Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 15, 2010
Patent Application Number
12018873
Date Filed
January 24, 2008
Patent Primary Examiner
Patent abstract
An antenna design, having two symmetrical phased array blade antenna elements which provide improved lateral target coverage with an increased effective radiated power and exhibits smooth null-free unidirectional antenna patterns. The direction of the unidirectional antenna pattern is dictated by a switching command under control of a user. Each blade antenna element is coupled to a 90-degree hybrid coupler and an RF switching device by a semi-rigid RF cable. Each blade antenna element is also connected to a sub-resonant choke balun for improved impedance matching and resultant distortion-less antenna patterns.
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