Dielectric-Loaded Antenna
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United States of America Patent
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Issued Date -
Sep 20, 2007
app pub date -
Aug 25, 2004
filing date -
Aug 25, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A mono-conical antenna serving as a dielectric-loaded antenna includes: (i) a electricity supply electrode, which has a conical surface; (ii) an earth electrode, which has a flat surface that is so positioned as to face an apex of the conical surface; and (iii) a dielectric member, which is provided between the conical surface and the flat surface. The dielectric member has an outer circumferential surface which has such a slope that extends from a side of the conical surface to a side of the flat surface. This allows the dielectric-loaded antenna to have a small size, and to handle a wider frequency band in which the maximum value of the VSWR is restrained to be small.
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