Coaxial dipole antenna with extended effective aperture
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United States of America Patent
Stats
-
Mar 12, 1985
Grant Date -
N/A
app pub date -
Dec 22, 1982
filing date -
Dec 22, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coaxial dipole antenna includes a first radiator which is approximately one quarter wavelength long. A second radiator exhibits length less than one quarter wave length and is coupled to the feed port by a reactive element which has an electrical reactance which is insufficient to increase the electrical length of the second radiator to one quarter of the wavelength. The length of a dipole antenna is substantially shortened while an effective aperture of one half wavelength is maintained by causing a portion of the transceiver housing to radiate in phase with the antenna.
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