Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 6, 2010
Patent Application Number
11470720
Date Filed
September 7, 2006
Patent Primary Examiner
Patent abstract
A helmet substrate is covered with a highly absorptive layer and an antenna layer. The antenna layer includes a conformal log periodic dipole array wherein adjacent antenna elements connect through switches. By driving appropriate ones of the switches, the log periodic dipole array tunes to a desired frequency band.
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