Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
NATURAL-LIGHTING DEVICE AND NATURAL-LIGHTING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/188318
Kind Code:
A1
Abstract:
A natural-lighting device of one embodiment of the present invention comprises: a light-transmitting first slat for bending the light path of incident light from outdoors and projecting the light in a specific direction indoors; a first drive mechanism for driving the first slat; and a control unit for controlling the first drive mechanism so as to change the angle of inclination of the first slat in accordance with the position of the sun.

Inventors:
TSUJIMOTO Masahiro
KAMADA Tsuyoshi
UEKI Shun (1 Takumi-cho, Sakai-ku, Sakai Cit, Osaka 22, 〒5908522, JP)
Application Number:
JP2017/016558
Publication Date:
November 02, 2017
Filing Date:
April 26, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHARP KABUSHIKI KAISHA (1 Takumi-cho, Sakai-ku Sakai Cit, Osaka 22, 〒5908522, JP)
International Classes:
E06B9/264; E06B9/303; E06B9/386; F21S11/00; F21V5/02
Domestic Patent References:
WO2015076245A12015-05-28
WO2016002869A12016-01-07
WO2015098940A12015-07-02
Foreign References:
JP2011196177A2011-10-06
JP2000096956A2000-04-04
US20140111851A12014-04-24
JP2014044331A2014-03-13
JPH07307106A1995-11-21
JP2015138747A2015-07-30
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
Download PDF: