| 摘要 |
PROBLEM TO BE SOLVED: To make brightness uniform irrespective of the angle of rotation of a pointer.SOLUTION: When light emitted from a plurality of light sources for pointer lighting 30 (30a, 30b, and 30c) and has entered the inside of a pointer 10 from a light receiving part 15 (light incident part) lights the pointer 10, on the basis of the angle of rotation &thetas; of the pointer 10 on a dial 20 calculated by a pointer rotation angle calculation part 40, a light source emission control part 60 controls the light emission state of the plurality of light sources for pointer lighting 30 (30a, 30b, and 30c) so that the intensity of the light entering the inside of the pointer 10 becomes constant irrespective of the angle of rotation &thetas; of the pointer 10. |
