Circularly polarized omnidirectional in-building signal booster apparatus and method
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United States of America Patent
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Oct 11, 2011
Grant Date -
Jun 18, 2009
app pub date -
Dec 12, 2007
filing date -
Dec 12, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rebroadcasting apparatus for mobile media includes a receiving antenna and a transmitting antenna. The signal to be rebroadcast is received with a circularly polarized directional antenna. The transmitting antenna has circular polarization opposite to the polarization of the receiving antenna. Amplifiers and filters may be included between receiving and transmitting antennas to regulate retransmitted signal quality. The transmitting antenna uses one or more bays of quasi-helical dipole radiators excited using manifold feed equipped with tuning paddles. The transmitting antenna may be formed from light-weight sheet metal or other readily mass-produced materials. The transmitting antenna may be housed within an ordinary security camera enclosure or similar radio-transparent housing.
First Claim
Family
International Classification(s)
Cited Art Landscape
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