An sequential excitering device for acoustic indicators (Machine-translation by Google Translate, not legally binding)

摘要

Aparto sequential exciter for acoustic indicators, applicable for call devices in the manner of bells and the like, of the class comprising a plurality of acoustic tubes excitable by percussion and percussion means for each of said tubes, characterized in that said percussion means are operatively associated with a sequential actuator mechanism adjusted according to a suitable sound cycle, said actuator mechanism being controlled by means of initiators of said sequence in response to a command drive optional, and by an automatic stop device to interrupt the sequence once the cycle is completed desired acoustic (Machine-translation by Google Translate, not legally binding)