Title:
照明器具
Document Type and Number:
Japanese Patent JP5736543
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lighting fixture which can change the atmosphere of a room according to a control pattern for controlling a plurality of light sources.SOLUTION: A control unit 62 can select a first mode for changing the light color with a constant quantity of light, a second mode for changing the quantity of light with a constant light color, and a third mode for changing the quantity of light and the light color simultaneously by controlling a lower unit 40 and an upper unit 30. Furthermore, the control unit can individually adjust the quantity of light of the upper unit 30 and the quantity of light of the lower unit 40 by the output ratio. Consequently, the control unit 62 can change the presentation or atmosphere of a room easily by selecting the first to third modes.
Inventors:
Maeda Hikaru
Hiroaki Kobayashi
Taku Hayami
Yasuo Uemoto
Hiroaki Kobayashi
Taku Hayami
Yasuo Uemoto
Application Number:
JP2011012827A
Publication Date:
June 17, 2015
Filing Date:
January 25, 2011
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H05B37/02; F21S2/00; F21S8/04; F21S10/02; F21V23/00
Domestic Patent References:
| JP2009076214A | ||||
| JP2007265818A | ||||
| JP2009140826A |
Attorney, Agent or Firm:
Patent business corporation glory patent office
Kimihide Hashimoto
Yoshiaki Masaaki
Kimihide Hashimoto
Yoshiaki Masaaki