Antenna apparatus and measurement method
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United States of America Patent
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Oct 4, 2022
Grant Date -
Apr 16, 2020
app pub date -
Oct 3, 2019
filing date -
Oct 12, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
An antenna apparatus 1 includes: an anechoic box 50 having the internal space 51 that is not influenced by the surrounding radio wave environment; a plurality of antennas 6 that use radio signals in a plurality of divided frequency bands set in advance; a reflector 7 that is housed in the internal space and has a predetermined paraboloid of revolution, radio signals transmitted or received by an antenna 110 of a DUT 100 being reflected through the paraboloid of revolution; and antenna arrangement means 60 for sequentially arranging the plurality of receiving antennas 6 at a focal position F, which is determined from the paraboloid of revolution, according to the divided frequency bands.
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