Antenna design for FM radio receivers
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United States of America Patent
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Jul 19, 2011
Grant Date -
Mar 26, 2009
app pub date -
Sep 26, 2007
filing date -
Sep 26, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus includes first and second speakers, and an antenna including a first pair of wires connected to the first speaker, a second pair of wires connected to the second speaker, and a conductive sleeve surrounding portions of the first and second pairs of wires, the sleeve forming a coaxial capacitor with the first and second pairs of wires. The apparatus can further include an inductor connected between the first and second pairs of wires and the sleeve, to form a resonant circuit with the coaxial capacitor.
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