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Title:
RADIO WAVE ABSORBER AND RADIO WAVE ABSORPTION STRUCTURE EMPLOYING IT
Document Type and Number:
Japanese Patent JP2006303555
Kind Code:
A
Abstract:

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.

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.


Inventors:
YOSHIMURA TAKASHI
MIKI MAKOTO
MIYATA TSUTOMU
HORIUCHI KENTARO
Application Number:
JP2005117755A
Publication Date:
November 02, 2006
Filing Date:
April 15, 2005
Export Citation:
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Assignee:
NIPPON STEEL METAL PROD
TAKECHI KK
International Classes:
H01Q17/00; H05K9/00; E04B1/92
Attorney, Agent or Firm:
Masahiko Yamana