Title:
照明装置
Document Type and Number:
Japanese Patent JP5722533
Kind Code:
B2
Abstract:
To provide a lighting device capable of suitably measuring illuminance even if an illuminance sensor is located in the vicinity of a lighting fixture and controlling a light-emitting level of an illumination light source.
The lighting device 1 to be installed indoors includes the light source 100 arranged on a case, a measurement part 200 arranged on the case and measuring intensity of illumination of the indoors during a stopped period by momentarily stopping light emission from the light source 100, and a setting part 300 for setting the light-emitting level of the light source 100 on the basis of the intensity of illumination.
COPYRIGHT: (C)2011,JPO&INPIT
Inventors:
Kengo Tamukai
Application Number:
JP2009166068A
Publication Date:
May 20, 2015
Filing Date:
July 14, 2009
Export Citation:
Assignee:
Mega Chips Co., Ltd.
International Classes:
H05B37/02; F21S2/00; F21V23/00; F21V23/04
Domestic Patent References:
| JP2008300123A | ||||
| JP2006185765A | ||||
| JP2003163089A | ||||
| JP2008204926A | ||||
| JP2006269393A | ||||
| JP2009060552A |
Attorney, Agent or Firm:
Kengo Takao