发明名称 RADIO WAVE ABSORBER AND RADIO WAVE ABSORPTION STRUCTURE EMPLOYING IT
摘要 PROBLEM TO BE SOLVED: To provide a radio wave absorber which can be fixed to a concrete wall face in order to absorb unnecessary radio waves generated around an electronic toll collection system (ETC) on a highway with high attenuation even at a narrow incident angle, and to provide a radio wave absorption structure employing the radio wave absorber. SOLUTION: The radio wave absorber is manufactured by integrally sticking a polycarbonate surface protection board 2, a rubber sheet type radio wave absorption sheet 3 arranged on the back of the surface protection board 2, and a reflector 4 arranged on the back of the rubber sheet type radio wave absorption sheet 3. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2006303555(A) 申请公布日期 2006.11.02
申请号 JP20050117755 申请日期 2005.04.15
申请人 NIPPON STEEL METAL PROD CO LTD;TAKECHI:KK 发明人 YOSHIMURA TAKASHI;MIKI MAKOTO;MIYATA TSUTOMU;HORIUCHI KENTARO
分类号 H01Q17/00;E04B1/92;H05K9/00 主分类号 H01Q17/00
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