| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a controller and a control method for the controller to efficiently rotate a plurality of lights. <P>SOLUTION: A controller 100 comprises: a communication interface 105 for receiving a lighting state of each of a plurality of lights; a memory 101 for storing an accumulated lighting time of each of the lights; and a processor 110 which updates the accumulated lighting time of each of the lights in the memory based on the received lighting state of each of the lights, and outputs information promoting exchange of a first light with a long accumulated lighting time with a second light with a short accumulated lighting time based on the accumulated lighting time of each of the lights. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
