US Patent 7439934 Antenna and an antenna feed structure
Patent 7439934 was granted and assigned to Sarantel on October, 2008 by the United States Patent and Trademark Office.
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Patent Inventor Names
Andrew Robert Christie0
John J Squires0
Oliver Paul Leisten0
Thomas Alan Clupper0
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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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US Patent 07439934 Antenna and an antenna feed structure US Patent 7439934 Antenna and an antenna feed structure
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Patent Number
074399340
Patent Number
74399340
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
074399340
Date of Patent
October 21, 2008
0Patent Application Number
114725870
Date Filed
June 21, 2006
0Official Website
Patent Primary Examiner
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US Patent 07439934 Antenna and an antenna feed structure
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07439934
Date of patent
October 21, 2008
Patent application number
11472587
Date Filed
June 21, 2006
Patent primary examiner
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