Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas Alan Clupper0
Andrew Robert Christie0
John J Squires0
Oliver Paul Leisten0
Date of Patent
October 21, 2008
0Patent Application Number
114725870
Date Filed
June 21, 2006
0Patent Primary Examiner
Patent abstract
A dielectrically-loaded helical antenna has a cylindrical ceramic core bearing metallised helical antenna elements which are coupled to a coaxial feeder structure passing axially through the core. Secured to the end face of the core is an impedance matching section in the form of a laminate board. The matching section embodies a shunt capacitance and a series inductance.
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