Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 12, 2007
Patent Application Number
10523619
Date Filed
July 16, 2003
Patent Primary Examiner
Patent abstract
Consistent with an example embodiment, using two simple antennas with different frequencies of operation combined into an antenna arrangement a directional radiation pattern is obtained for both frequencies of operation. This is achieved by placing the antennas such that the first antenna acts as a director for the second antenna at the frequency of operation of the second antenna and the second antenna acts as a reflector for the first antenna at the frequency of operation of the first antenna. In another example embodiment, in the case of a monopole antenna the first antenna is shorter than the second antenna and can thus operate as a director while the second antenna is longer than the first antenna and can thus act as a reflector.
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