Alarm device for notifying imminence of e.g. speed gear change event, to motor vehicle driver, has logic controller generating signal from information which is command calculated in anticipation of event, and actuators creating vibration

摘要

The device has a logic controller (41) for generating an analog signal from information relative to an event such as speed gear change event, where the information is a command calculated in anticipation of the speed gear change event. Piezoelectric actuators (43, 44) create a vibration placed on a fly-wheel (40) under the effect of the signal coming from the logic controller, where the piezoelectric actuators vibrate in a frequency band near to 250 hertz.