| 摘要 |
PROBLEM TO BE SOLVED: To provide a filter apparatus provided to an outdoor electronic apparatus installed outdoors, functioning without hindrance even under an outdoor environment and capable of attaining a stable operation of a communication system and to provide the outdoor electronic apparatus. SOLUTION: In the filter apparatus provided to the outdoor electronic apparatus installed outdoors, provided with an enclosure and a cover fitted to an upper part of the enclosure, and having a dielectric body located inside the enclosure, a sheathing member is provided inside the enclosure, and the task above can be solved by the filter apparatus characterized in such that the dielectric body is sheathed in duplicate by a first sheathing part comprising the enclosure and the cover and a second sheathing part comprising the sheathing member. COPYRIGHT: (C)2004,JPO&NCIPI
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