DIELECTRIC ANTENNA COMPONENT, ANTENNA, AND METHODS
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United States of America Patent
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Issued Date -
Aug 18, 2011
app pub date -
Jun 17, 2009
filing date -
Jul 9, 2008
priority date (Note) -
Abandoned
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Abstract
A dielectric antenna component (200) suitable for smallsized radio devices and an antenna based on such an antenna component. A substrate with relatively high permittivity for a radiating conductor is used in the antenna for reducing the size of the antenna. The substrate (210) is elongated, and the radiating conductive coating (220) constitutes a loop circulating via its ends. The width of one long side (221) of the loop is at most half of the width of the other long side (222). The bandwidth of a very small-sized antenna can be made large, because the phases of the electromagnetic waves in the radiator branches are nearly equal. For the same reason the efficiency of the antenna can be made relatively good in spite of the dielectric substrate.
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