ANTENNA ARRAY
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United States of America Patent
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Issued Date -
May 19, 2022
app pub date -
Jun 5, 2019
filing date -
Jun 5, 2019
priority date (Note) -
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Abstract
An antenna array includes an array of antenna bodies (121, 122) arranged on a planar structure (110), which, in turn, contains a circuit board (210) with a ground-plane layer (420). The array of antenna bodies (121, 122) is arranged on a top side of the circuit board (210). Each of the antenna bodies (121, 122) is dome shaped and attached to the top side of the circuit board (210) along its base. Each of the antenna bodies (121, 122) is connected to a respective top transmission line (450) configured to convey microwave signals to and/or from said antenna bodies (121, 122). The top transmission lines (450) are further connected to bottom transmission lines (430) via coaxial probes (440) through the ground-plane layer (420). A resonance cavity (460) is arranged below the top side of the circuit board (210) between each of the antenna bodies (121, 122). This accomplishes a highly compact design that can be produced in a cost-efficient manner.
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