| 摘要 |
<p>PROBLEM TO BE SOLVED: To hold an accessory element of an air bulb cap which has the acces sory element only in the daytime up to now even at night, and prevent early consumption of power and early deterioration of a bulb by automatically lighting only during driving and at night. SOLUTION: A bulb 7 is lit by passing current to a positive terminal contact 8, a covered wire for a positive terminal 6, a spring for a negative terminal 5, and a covered wire for negative terminal 10 during driving by utilizing centrifugal force by rotation with a button battery 3 and a centrifugal force receiving spring 4, only at night with a photosensor 2 assembled in the air bulb cap 1.</p> |
