SWITCHED ANTENNA APPARATUS AND METHODS
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United States of America Patent
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Issued Date -
Jan 16, 2014
app pub date -
Jun 13, 2013
filing date -
Jul 13, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Dynamically switchable antenna apparatus and associated methods. In one embodiment, a switching antenna configuration is used within a portable device (e.g. mobile phone). The switching antenna comprises at least one antenna element which operates at one or more resonant frequencies, and one or more switching elements. In one implementation, the switching elements are autonomously controlled to correct for detuning effects experienced by the antenna (e.g., body tissue loading) by modifying the electrical length of the antenna radiator(s) and/or correcting antenna impedance mismatch. In another implementation, the switching elements are controlled to effectuate band switching of the antenna.
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