| 摘要 |
At a side end section of a second housing 3, there are provided an antenna 9 which is arranged along the short-side direction of the housing, a first housing 1, a slide mechanism section S which connects the first housing 1 to the second housing 3 slidably relative to each other in the short-side direction of the housing, and joining sections 31 to 34 which connect the slide mechanism section S to the second housing 3. The slide mechanism section S is configured so that a large slide plate 17 and a small slide plate 15 are arranged in this order from the first housing between the first housing 1 and the second housing 3, so as to slide relative to each other. Further, in the direction (longitudinal direction) which intersects the sliding direction AR1, the plurality of joining sections 31 to 34 are arranged, and reactance elements 41 to 44 are arranged at the same positions as those of the joining sections 31 to 34 in the surface of the housing. In this way, at the joining sections 31 to 34, the small slide plate 15 and the large slide plate 17 of the slide mechanism section S are connected to the second housing 3 in terms of high frequency via the reactance elements 41 to 44. Further, an antenna feeding point 6 which supplies electric power to the antenna 9 is arranged on the side of the sliding joining section in the short-side direction of the second housing. Thereby, it is possible to secure excellent communication quality in the short-side direction slide type portable radio apparatus. fb
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