ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,594, issued on Sept. 1.
"Electronic music keyboard" was invented by Sandro Gabrielli (Osimo, Italy) and Stefano Bondi (Montemarciano, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic music keyboard having a plurality of keys, a number of magnetic sensors equal to the number of keys, a magnet disposed in each key, an A/D converter connected to each magnetic sensor, a microcontroller connected to the A/D converters and configured to receive digital values indicative of the key position and convert them into key position values and select useful key position values at which to emit sounds, a digital signal processor (DSP) connected to...