| 摘要 |
<p>A device for displaying and recording the speed of motor vehicles suitable for application to the front and rear bumpers of automobiles is described, consisting of an indicator (1) whose movement is dependent on the speed of the vehicle and which activates internal and external visual and/or acoustic alarm signals whenever the maximum speed limit is exceeded; said indicator also consisting of a triangular-sectioned thread that causes a slit or groove to be made on a sheet (4) of soft plastic for the ascertainment of speed at the moment of collision or accident; and a cable (10) for laterally connecting the fron and rear boxes (7) and (7 min ) providing the ascertainment in case of eventual laterial collission.</p> |
