| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology for improving accuracy of automatic leveling control of a vehicular lamp.SOLUTION: An inclination sensor device 102 includes a substrate 120 on which the inclination sensor used for calculating an inclination angle of vehicle is mounted, a case 140 housing the substrate 120, a first positioning structure which positions the substrate 120 and case 140 in a first direction roughly parallel with respect to a main surface of the substrate 120, and a second positioning structure which positions the substrate 120 and case 140 in a second direction roughly perpendicular with respect to the main surface of the substrate 120. |
