| 摘要 |
An antenna device is provided to secure a sufficient length of the antenna for receiving an electric wave and to facilitate keeping by including a plurality of foldable unit members. An antennal device includes a first antenna assembly(10), a second antenna assembly(10'), and a fixing holder. The first antenna assembly is hinge-connected so that a plurality of unit members have a foldable structure. The second antenna assembly has the same shape and structure as those of the first antenna assembly and is arranged symmetrically with regard to the first antenna assembly. The fixing holder is installed between the first antenna assembly and the second antenna assembly and connects and fixes the first and second antenna assemblies. The unit members of the first and second antenna assemblies have a semicircle section structure. The first and second antenna assemblies include first unit members(11,11'), second unit members(12,12'), third unit members(13,13'), and fourth unit members(14,14').
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