| 摘要 |
The present invention relates to an umbrella as a night safety umbrella device, capable of effectively emitting light by considering risk exposed to a safety-related accident in the case of having difficulties in recognizing the position of a pedestrian by a driver in rainy and dark days, or in the case of having difficulties in securing a visual field of the front side by the pedestrian. The present invention relates to an independent power plant for supplying power to LED flashers, for lighting by providing power for the inner cogwheel, rotating a circular magnet, changing magnetic flux, generating induced electromotive force in a coil underneath, and flowing in an induced current. |
