impulse-creating

Updated: May 29, 2025

It was impossible, however, to maintain the devices in adjustment for more than a few seconds, since the invention depended upon the make-and-break principle, the circuit being made and broken every time an impulse-creating sound went through it, causing the movement of the diaphragm on which the sound-waves impinged.

Frank Lewis Dyer - Edison, His Life and Inventions