Device acting as a tachometer and revolution counter, making it possible to continuously visualise the harmony between gear and speed

摘要

The subject of the invention is a device acting as a tachometer and revolution counter. The device is of the type using a tachometer or speed meter, characterised in that the graduation part (1) of the tachometer is divided into regions of x kilometres/hour, it being possible for the said regions (4, 5, 6) to be coloured with different colours, and on each gear change, the colour regions alter. The device applies in particular to motor vehicles. IMAGE