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    • 3. 发明专利
    • RADIO WAVE TRANSMISSIVE WALL SURFACE STRUCTURE
    • JPH09165856A
    • 1997-06-24
    • JP32703895
    • 1995-12-15
    • SHIN NIKKEI CO LTD
    • ODAKA AKIHISAMARUYAMA YOSHIHIKOONO KIYOTO
    • E04B1/92E04B2/96H05K9/00
    • PROBLEM TO BE SOLVED: To eliminate the reflection of a radio wave as much as possible by forming at least the whole or almost all of a horizontal directional material of an opening part formed of a holding frame formed of vertical and horizontal directional materials out of a radio wave transmissive material. SOLUTION: A cross-sectional L-shaped bracket 10 is fixed to a mullion arranged lengthwise in the vertical direction, and a transom 2A composed of laminated lumber is horizontally installed and fixed between the bracket 10. Next, strip grooves 12 communicated in the lengthwise direction of a member are respectively formed on upper and lower surfaces on the outdoor side of the transom 2A. Next, hip parts 13a of zipper gaskets 13 are fitted to and installed in the strip grooves 12. Panel fitting grooves 13b are formed in the gaskets 13, and the peripheral edge of a panel P is fitted. Then, zipper materials 38 are fitted, and are fixed so that the panel P does not fall off. A drain hole 2a communicated from the strip grooves 12 is provided, and rainwater is discharged outdoors. An outdoor side surface of the transom 2A is covered with a silicon cover material. Therefore, almost all of incident radio waves enter indoors, and radio wave reflection jamming can be prevented.