| 摘要 |
A stereoscopic antenna includes a planar electroconductive pattern 2 adapted to be grounded, a loop-shaped antenna body 3 having an axis C0 lying perpendicular to the planar electroconductive pattern 2, and an antenna connection 4 for connecting the antenna body 3 to the planar electroconductive pattern 2. In this stereoscopic antenna, the ratio H/D of the longer diameter D of the antenna body 3 relative to the height H of the antenna body 3 as measured from the planar electroconductive pattern 2 is chosen to be within the range of 0.1 to 1. By making the antenna to have a three-dimensional structure different from any of the loop antenna and the rod antenna, the stereoscopic antenna compact in size can be obtained having a uniform field radiation pattern and giving rise to an increased gain.
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