Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kazushige Ogino0
Date of Patent
August 5, 2008
Patent Application Number
11391756
Date Filed
March 28, 2006
Patent Primary Examiner
Patent abstract
A loop antenna providing a reception performance equivalent to a patch antenna receiving a circularly polarized wave, simple in configuration, and kept low in cost, which forms a loop element and a parasitic element provided independently of this loop element on the same dielectric board to form an antenna element and sends or receives a circularly polarized wave by this antenna element, provides a metal plate parallel with or having a slight inclination with respect to the dielectric board, and sets this metal plate separated from the dielectric board by exactly a predetermined distance.
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