| 摘要 |
<p>PROBLEM TO BE SOLVED: To clearly indicate a message capable of being understood by anyone. SOLUTION: A driving part 10 is provided with a supporting bar 1, and a fulcrum 2 supporting the supporting bar 1 at a given point, and an indicator 3 is provided for one end of the supporting bar 1. Besides, a lamp 4 is built in the indicator 3. A spring 5 and a counterweight 6 are provided for the other end of the supporting bar 1. Four solenoids 7a through 7d acting as a driving means each are concurrently provided for places at positions corresponding at least to the upper and lower and the right and left of the circumference of the supporting bar 1 in between the counterweight 6 and the fulcrum 2. These solenoids 7a through 7d are arbitrarily driven based on each driving signal. Besides, a cover 8 is provided, which covers the fulcrum 2, the solenoids 7a through 7d and the like. And the driving part 10 is mounted to the iron plate 20 of the rear trunk of an automobile or a roof and the like by means of a powerful magnet 9 provided for the cover 8.</p> |
