Title:
LIGHT-EMITTING DEVICE FOR OPTICAL DUCT
Document Type and Number:
Japanese Patent JP2008084751
Kind Code:
A
Abstract:
To provide an inexpensive light-emitting device for an optical duct that is connected with an optical duct so as to automatically adjust a light amount.
The light-emitting device for an optical duct is composed so as to emit light into a bathroom unit 1 through the optical duct 102 that introduces light from outdoors. A light-shielding body composed of slit disks 16, 17 is provided inside a light outlet 6. The slit disks 16, 17 are respectively formed with slits. A stepping motor 14 for rotating the slit disk 17 is provided. A light-shielding rate of the light-shielding body is changed by rotating the slit disk 17 with respect to the slit disk 16 by the stepping motor 14.
Inventors:
URYU KATSUJI
KAMESHIMA JUNJI
ENDO YASUSHI
HAYAKAWA MAKOTO
MIYAHARA SHUHO
KITAMURA NAOKI
SUZUKI TAKAHIRO
SHIMOBUKIKOSHI MITSUHIDE
KASAI YUTAKA
KAMESHIMA JUNJI
ENDO YASUSHI
HAYAKAWA MAKOTO
MIYAHARA SHUHO
KITAMURA NAOKI
SUZUKI TAKAHIRO
SHIMOBUKIKOSHI MITSUHIDE
KASAI YUTAKA
Application Number:
JP2006264989A
Publication Date:
April 10, 2008
Filing Date:
September 28, 2006
Export Citation:
Assignee:
TOTO LTD
International Classes:
F21S11/00
Attorney, Agent or Firm:
Masahiko Hinataji
Hiroshi Ichikawa
Hiroshi Ichikawa