| 摘要 |
A speedometer gauge mounted on the rear of a vehicle or trailer that continuously and accurately displays a vehicle's speed in real time by utilizing a pattern of lights that illuminate sequentially in such a fashion as to exhibit to the traffic following, the speed of the vehicle, rate of deceleration or acceleration, and to indicate that the vehicle is stopped, in a panic stop, parked, standing, “riding the brake” or “riding the turn indicator” mode. A video game comprising the use of a speedlight. |
