Patent ID: 8686647
Filing Date: 2014-04-01
Classification: H05B,Y02B

Abstract:
1. A lighting control system comprising: a plurality of luminaires installed in a lighting space surrounded by walls; an existence or nonexistence detecting unit configured to detect existence or nonexistence of a person in the lighting space; a direction detecting unit configured to detect a direction the person is facing if the existence or nonexistence detecting unit detects the existence of the person in the lighting space; a distance detecting unit configured to detect a distance between one of the walls positioned in front of the person in the facing direction detected by the direction detecting unit, and the person; and a control unit configured to selectively switch between a first control for performing lighting control of the luminaires to illuminate said one of the walls positioned in front of the person in the facing direction if the distance detected by the distance detecting unit is a specified distance or less, and a second control for performing lighting control of the luminaires to reduce brightness at positions in the lighting space that are farther from a position of the person if the distance detected by the distance detecting unit is larger than the specified distance.