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US Patent 7570224 Antenna apparatus and antenna system

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Patent
Patent
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Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
75702240
Patent Inventor Names
Takehiro Onomatsu0
Shusuke Narita0
Date of Patent
August 4, 2009
0
Patent Application Number
116911740
Date Filed
March 26, 2007
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Patent Primary Examiner
‌
Tan Ho
0
Patent abstract

Disclosed a antenna apparatus including: a first antenna having a fixed directivity for receiving a signal in a first frequency band; a second antenna capable of switching a directivity thereof at a time of receiving a signal in a second frequency band; a judgment section to judge which of the signal in the first frequency band and the signal in the second frequency band a television broadcast signal corresponding to a tuned channel is; and a selection section to select the first antenna as an antenna to receive the television broadcast signal corresponding to the tuned channel when the television broadcast signal is judged to be the signal in the first frequency band, and to select the second antenna as the antenna to receive the television broadcast signal when the television broadcast signal is judged to be the signal in the second frequency band.

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