Equipment unit e.g. car radio, controlling and monitoring device for motor vehicle, has push-buttons matrix fixed on active surface to be manually pressed by user for producing sound wave from zone situated relative to pressed push-button

摘要

The device has a tactile slab (4) including an active surface (9) with a sensor (5) connected to an electronic processing unit (8) in order to locate a source of a sound wave, to which is subjected the active surface, and to control and monitor an equipment unit. A matrix of push-buttons is fixed on the active surface in order to be manually pressed by a user for producing the sound wave from an active surface zone situated relative to the pressed push-button.