Title:
照明装置
Document Type and Number:
Japanese Patent JP5776891
Kind Code:
B2
Abstract:
According to one embodiment, a luminaire includes a lighting circuit configured to light a light source with a power supply from the outside, an accumulated-lighting-time storing section configured to store accumulated lighting time of the light source, and a control circuit configured to control the lighting circuit in a set mode. The control circuit sets, if a pattern for turning on and off the power supply from the outside is a predetermined initial illuminance correction setting pattern, a mode in an initial illuminance correction mode for performing initial illuminance correction corresponding to the accumulated lighting time of the light source. The control circuit sets, if the pattern for turning on and off the power supply from the outside is a predetermined normal setting pattern, the mode in a normal mode for not performing the initial illuminance correction.
Inventors:
Hiroshi Terasaka
Toshihiko Sasai
Naoko Iwai
Toshihiko Sasai
Naoko Iwai
Application Number:
JP2011147048A
Publication Date:
September 09, 2015
Filing Date:
July 01, 2011
Export Citation:
Assignee:
Toshiba Lighting & Technology Corporation
International Classes:
H05B37/02; H05B44/00
Domestic Patent References:
| JP2001338783A | ||||
| JP201148931A | ||||
| JP200619244A |
Attorney, Agent or Firm:
樺澤 襄
Satoshi Kabazawa
Tetsuya Yamada
Satoshi Kabazawa
Tetsuya Yamada