Title:
DAYLIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2014160642
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a daylighting device etc., equipped with an irradiation mechanism which irradiates the inside of a room with more homogeneous light by suppressing and avoiding focusing of sunlight, acquired by and guided from a sunlight acquiring mechanism, on below a light guide mechanism.SOLUTION: There is provided a daylighting device 342 which comprises a fourth reflector 340 which becomes thicker to the bottom and a fifth reflector 341 provided between the fourth reflector and light guide pipe 210 and movable in up/down directions, suppresses and avoids focusing of reflected light in an arcuate shape below the light guide pipe, and controls light passed through the light guide mechanism into light suitable for lighting so as to irradiate a necessary space such as the inside of a room.
Inventors:
NISHIMURA KIYOSHI
HASEGAWA YUICHI
KITAMURA MIKIO
HASEGAWA YUICHI
KITAMURA MIKIO
Application Number:
JP2013180815A
Publication Date:
September 04, 2014
Filing Date:
September 02, 2013
Export Citation:
Assignee:
ESU TECH CO LTD
NISHIMURA KIYOSHI
NISHIMURA KIYOSHI
International Classes:
F21S11/00; F21V14/04
Attorney, Agent or Firm:
森定 Yuji
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