Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 22, 2022
Patent Application Number
16682223
Date Filed
November 13, 2019
Patent Citations
Patent Primary Examiner
An antenna array apparatus includes: first antenna elements arranged to form a first radiation pattern with a recessed portion at the center of the first radiation pattern; and second antenna elements arranged to form a second radiation pattern with a convex portion at the center of the second radiation pattern.
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