| 摘要 |
<p>PURPOSE:To provide the telephone system/GPS common use plane antenna and the telephone system GPS common use transmitter-receiver using the common use plane antenna. CONSTITUTION:The antenna is provided with a ground plate 1 and with a patch 3 of nearly a circle whose both sides are made of a conductor provided in parallel with the ground plate 1 having plural short-pins 2a-2d inbetween and having a 1st feeding point in the center of the 1st face opposite to the ground plate 1 and 2nd and 3rd feeding points at a position by a center angle of 90 deg. on a circle having a prescribed radius from the centre of the end face opposite to the 1st face.</p> |
