Title:
採光装置
Document Type and Number:
Japanese Patent JP7080765
Kind Code:
B2
Abstract:
To provide a daylighting device that can efficiently take sunlight into a desired outdoor daylighting object part.SOLUTION: A daylighting device includes: first reflection means 1 installed to a first installation part outdoors to reflect sunlight in an upper direction; and second reflection means 2 installed to a second installation part outdoors to reflect light reflected by the first installation part in a lower direction. One or both of the first reflection means and the second reflection means are constituted of a reflection structure 5 including a curved surface or a spherical surface.SELECTED DRAWING: Figure 1
Inventors:
Arai Kan
Application Number:
JP2018146665A
Publication Date:
June 06, 2022
Filing Date:
August 03, 2018
Export Citation:
Assignee:
Kumagai Gumi Co., Ltd.
International Classes:
F21S11/00; E04B1/00; E04F11/18; E04H1/04; F21V7/04
Domestic Patent References:
| JP2004214188A | ||||
| JP2010071032A |
Attorney, Agent or Firm:
Yasuo Miyazono