| 摘要 |
PROBLEM TO BE SOLVED: To provide a luminaire to which a function can be added after purchased.SOLUTION: A luminaire 110 has a light emission unit 120 which is controllable according to plural lighting functions, a communication unit 125 for receiving from a server 300 a program in response to a request for controlling the light emission unit 120 according to at least some of the plural lighting functions when the luminaire 110 transmits the request to a server, a rewritable storage unit 130 in which the program received from the communication unit 125 is stored, and a controller 135 for executing the program stored in the storage unit 130 to control the light emission unit 120 according to the lighting function corresponding to the program. |
