Antenna assembly and method for manufacturing the same
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United States of America Patent
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Apr 19, 2011
Grant Date -
Sep 18, 2008
app pub date -
Feb 19, 2007
filing date -
Mar 16, 2006
priority date (Note) -
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Abstract
In an antenna apparatus, at least one choke in the form of a groove is arranged between a transmitting antenna and a receiving antenna. The choke functions to suppress the mutual electromagnetic coupling between the transmitting antenna and the receiving antenna. The depth of the choke is in a range from 0.15, to less than 0.225λ where λ is a wavelength of a carrier wave.
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