Title:
A lighting system and a method for controlling the light intensity and the color temperature of a light in the room
Document Type and Number:
Japanese Patent JP6231132
Kind Code:
B2
Abstract:
The present invention relates to a lighting system (10) arranged to control a light intensity and a color temperature of light in a room (1). The lighting system comprising: a light source (12) arranged to emit light, the light source (12) comprising a first and second light emitters (13, 14) each being adjustable between a number of light intensity levels and arranged to emit light having a first and second color temperature, respectively. The light source (12) is arranged to provide an output signal (OS) comprising information pertaining to a light intensity level of said first and second light emitters (13, 14), respectively; a light sensor (16) arranged to measure the light intensity and the color temperature of the light in the room, and to provide a sense signal (SS) comprising information pertaining to the measured light intensity and color temperature; and a controller (18) arranged to control the color temperature and the light intensity of the light in the room (1) by adjusting the light intensity level of said first and second light emitters (13, 14), based on said sense signal (SS) provided by the light sensor (16) and said output signal (OS) provided by the light source (12).
Inventors:
Tiber Luka
Salouki Baha'a Edine
Baroso Andre Melon
Far Half Yaneke
Salouki Baha'a Edine
Baroso Andre Melon
Far Half Yaneke
Application Number:
JP2015553195A
Publication Date:
November 15, 2017
Filing Date:
January 02, 2014
Export Citation:
Assignee:
Philips Lighting Holding BV
International Classes:
H05B37/02; H05B44/00
Domestic Patent References:
| JP201033852A | ||||
| JP200753366A |
Foreign References:
| WO2009093191A1 |
Attorney, Agent or Firm:
Patent Services Corporation m&s Partners