| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a photo detecting sensor in an automatic lighting on-off for vehicle to compactify a size, and to reduce manhours for attaching. SOLUTION: The first photoreceiving element 3 and the second photoreceiving element 4 are arranged on an upper face of a housing 2. The first element 3 is directly irradiated with light L1 from a just upper side of a vehicle. A photoguide passage 11 is formed in a cap member 5 positioned in an upper side of the second element 4, light L2 from a front side of the vehicle is introduced from an opening part 11a opened toward the front side of the vehicle to change its direction in a reflection face 11c, and the light is emitted toward the second element 4 from an opening part 11b opened in a lower face. Lights of the vehicle are controlled to be lighted on and off based on signals from the first and second photoreceiving elements 3, 4.</p> |
