ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,233, issued on July 29.
"Universal musical instrument trainer" was invented by Kathryn Adiletta (Boston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A universal musical instrument trainer is disclosed that indicates a correct musical note and time to play. The trainer has a first array of (LEDs coupled in series. A housing has a receptacle channel configured to mechanically coupled to the first array of LEDs. A controller assigns, to each one of the first plurality of LEDs, a musical note selected from a plurality of musical notes. The controller generates, at one or more predetermined frequencies, one or more pulse signals that includes informati...