Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 4, 2008
Patent Application Number
11508234
Date Filed
August 23, 2006
Patent Primary Examiner
Patent abstract
A monopole antenna comprising an antenna conductor to transmit or receive a radio wave, and an inductor either inserted in the antenna conductor or connected to an end of the antenna conductor. The inductor includes a first conductor electrically connected to the antenna conductor, and a magnetic material adjacent to the first conductor. The permeability of the magnetic material varies with a negative gradient with respect to the frequency of the radio wave.
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