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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|