Distance controller for estimating forward running motor vehicle`s distance, has transparent scale in connection with tachometer-speed display and producing visual medium for estimating distance of vehicle

摘要

The controller has a curved, transparent scale (3) in connection with a tachometer-speed display (2) produces a visual medium for estimating the distance of a forward running vehicle. The scale has a central point (4), where the scale possesses a smaller radius. The scale is pasted or affixed on a plate of the tachometer. The scale is provided with digits that are illuminated by the vehicle electrical equipment.