Title:
構造体、及び建築材料
Document Type and Number:
Japanese Patent JP7271802
Kind Code:
B2
Abstract:
Provided are a structure and a building material that are capable of reflecting radio waves over a wide range of space. Provided is a structure comprising a radio wave reflector including a radio wave reflecting material for reflecting radio waves, wherein when the radio wave reflector is caused to reflect a radio wave at an incident angle of an incident wave of 15 degrees or more and 75 degrees or less at a frequency of the incident wave of 3 GHz or more and 5 GHz or less, 25 GHz or more and 30 GHz or less, or 150 GHz or more and 300 GHz or less, the intensity of a reflective wave as specular reflection of the incident wave is -30 dB or more relative to the incident wave, and in a virtual plane including an incident direction of the incident wave and a reflection direction of the reflective wave, when reception angular positions of the reflective wave are varied within an angle range of -15 degrees or more and +15 degrees or less with respect to the specular reflection direction, kurtosis of distribution of intensity of the reflective wave at each of the reception angular positions is - 0.4 or less at least at one frequency.
Inventors:
Hiroyuki Nomoto
Toshio Konan
Toshio Konan
Application Number:
JP2022578514A
Publication Date:
May 11, 2023
Filing Date:
January 28, 2022
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
H01Q15/14; H01Q1/22
Domestic Patent References:
| JP2010258514A |
Foreign References:
| WO2020189453A1 |
Attorney, Agent or Firm:
Saegusa International Patent Office