| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an antenna device or antenna device mounting method for reducing the influence of noise generated from a predetermined position. Ž<P>SOLUTION: Antenna elements 23a, 24a provided in antenna devices 21a, 22a are mounted, in such a way that a null direction, which is a direction wherein sensitivity of each antenna element is minimized, becomes approximately parallel and is opposite to the direction from which noise comes. As a result of this, noise is suppressed from being received at a high sensitivity. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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