| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a color temperature variable lighting system and a controller used in the same improving use efficiency in changing the color temperature of an illuminating light source. <P>SOLUTION: A determining means (a control signal generating unit of a controller 1, and control signal input unit 20 and drive signal converting unit 23 of a power source unit 2) determines the quantity of light of each of light emitting elements 3R, 3G, 3B of the illuminating light source 3 by setting the operation amount of an operation unit 11 and the color temperature in correspondence with each other such that a proportional relation is maintained between a difference in change of operation input (the operation amount of the operation unit 11) and a difference in reciprocal color temperature (the on-duty ratio of a control signal) according to the operation input that the controller 1 accepts. Thus, the use efficiency is increased because no sense of incongruity generates between the difference in operation amount of the operation unit 11 and the actually recognized change in color temperature. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
