COMMUNICATIONS DEVICE
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United States of America Patent
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Issued Date -
Jul 4, 2024
app pub date -
Jan 4, 2023
filing date -
Jan 27, 2022
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Abstract
This application provides a communications device which includes an antenna and a wave dense medium. The wave dense medium is located in an emission direction of the antenna and is spaced apart from the antenna, a dielectric constant of a medium, in the communications device, located on a side that is of the wave dense medium and that is close to the antenna and a dielectric constant of a medium located on a side that is of the wave dense medium and that is away from the antenna are both less than a dielectric constant of the wave dense medium, and a thickness D of the wave dense medium from a surface that is close to the antenna to a surface that is away from the antenna satisfies 0.5 nλ(1−10%)≤D≤0.5 nλg(1+10%), where ag is a resonance wavelength of an operating band of the antenna in the wave dense medium.
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