Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Frank Mierke0
Gerald Schillmeier0
Date of Patent
December 1, 2009
Patent Application Number
11547495
Date Filed
March 24, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A patch antenna comprising an electrically conductive ground plane; a first dielectric substrate layer arranged on said ground plane and having a first relative permittivity; at least one electrically conductive effective area arranged on the first dielectric substrate layer and electrically connected to one end of an electrically conductive feed line; at least one second dielectric substrate layer arranged on the effective area and having a second relative permittivity; whereby the second relative permittivity is larger or equal the first relative permittivity.
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