Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Koichi Ogawa0
Takeshi Ohno0
Date of Patent
January 9, 2007
Patent Application Number
10937621
Date Filed
September 10, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A dielectric antenna of the present invention includes a pillar-shaped dielectric section for radiating an electromagnetic wave being fed thereto. The dielectric section includes a depressed portion in an upper portion thereof. The vertical cross section of the depressed portion has such a shape that the height of the dielectric section gradually increases toward the side surface of the dielectric section. For example, the depressed portion is a notch having a V-shaped vertical cross section. Alternatively, the depressed portion includes a flat surface portion.
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