| 摘要 |
PROBLEM TO BE SOLVED: To provide a suitable indoor antenna for a receiver such as a thin television receiver by making the antenna of a broad band, a thin-thickness and a small size. SOLUTION: A ground plate used also as a shield plate arranged in a receiver case 11 is used as one radiation panel 21. The other radiation panel 31 is arranged on the upper side face of the casing 11 outside of the casing. The radiation panel 31 has a plane conical shape, and its vertex is made to face the upper edge 22 of the radiation panel 21 with a small gap. The vertex part of the radiation panel 31 and a place on the upper edge 22 of the radiation panel 21 opposing this are made to be power feeding points. COPYRIGHT: (C)2007,JPO&INPIT
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