PATCH ANTENNA AND VEHICULAR ANTENNA DEVICE
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United States of America Patent
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Issued Date -
Feb 8, 2024
app pub date -
Dec 23, 2021
filing date -
Dec 23, 2020
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Abstract
A patch antenna includes: a radiation element; and n (where n is a natural number of 2 or greater) metal bodies that are positioned above the radiation element, wherein an area of at least one of the n metal bodies is different from an area of any other metal body of the n metal bodies. Further, in the patch antenna, the n is 2 or 3, at least two of the n metal bodies are a first metal body and a second metal body, respectively, the first metal body is provided at a distance equal to or smaller than one-tenth of a wavelength in a desired frequency band, from the radiation element in a direction perpendicular to an upper surface of the radiation element, and the second metal body is arranged at position closest to the first metal body in the direction perpendicular to the upper surface of radiation element.
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