Collapsible Mobile Radio Device
a mobile radio and antenna technology, applied in the direction of antennas, antenna details, antenna feed intermediates, etc., can solve the problems of difficult to reduce the local mean sar (specific absorption rate), degrade the performance of the antenna, etc., and achieve the effect of reducing the local mean sar and high antenna gain
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first embodiment
[0062]FIG. 1 is a front view of a folding type portable radio equipment according to a first embodiment of the present invention, FIG. 2 is a side view of the folding type portable radio equipment of the same, and FIG. 3 is a perspective view of the folding type portable radio equipment of the same.
[0063] As shown in these Figures, the folding type portable radio equipment of the present embodiment has a foldable configuration in which a first case (referred to as an “upper case 1” hereinafter) and a second case (referred to as a “lower case 2” hereinafter) are joined by a hinge portion 3 (one-shaft hinge structure), and can take two operation modes of an opened mode and a closed mode by turning either of the upper case and the lower case 2 around the hinge portion 3.
[0064] The upper case 1 has a display portion 11 and an opening portion 12 for an earpiece portion on a surface (inner surface) in the (+) X-axis direction. Further, operation keys (not shown) are arranged on a surfac...
second embodiment
[0090] Next, a second embodiment of the present invention will be explained in detail with reference to FIG. 10 hereunder.
[0091]FIG. 10 is a perspective view showing a folding type portable radio equipment according to the present embodiment when viewed from the rear surface side. In this case, the same reference symbols as those in FIG. 1 show the same constituent elements and their detailed explanations will be omitted herein.
[0092] In the folding type portable radio equipment of the present embodiment, as shown in FIG. 10, a conductive metal element 25 connected electrically to the hinge portion 32 that acts as the feeding portion is constructed by two conductive metal elements having a different length respectively, i.e., a first conductive metal element 25A (length L5) and a second conductive metal element 25B (length L6).
[0093] The conductive metal element 25 is constructed integrally with the feeding metal 34, for example. In the present embodiment, the conductive metal el...
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