| 摘要 |
PROBLEM TO BE SOLVED: To provide an antenna system including a flat ground plane and a feed conductor extended at a prescribed angle by a prescribed length from the ground plane in a direction orthogonal to the ground plane, and in particular, to provide a downsized antenna system with a low profile having a simplified configuration. SOLUTION: The antenna system of the present invention includes a flat ground plane constituted of a conductive pattern formed on a circuit board and including a non-conductive part formed to be a shape in response to frequency characteristics, and a flat feed conductor constituted of a conductive pattern formed on the circuit board and including a triangular pattern extending from the ground plane at a prescribed angle and a circular pattern of which a circumference is coupled to the triangular pattern. COPYRIGHT: (C)2008,JPO&INPIT
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