ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,506, issued on Sept. 8, was assigned to UNIVERSITE DE LORRAINE (Nancy, France).

"System for learning braille and method for implementing such a system" was invented by Jean Massou (Moulins les Metz, France), Didier Foret (Ay sur Moselle, France), Benjamin Accorsi (Marly, France) and Matteo Costa (Dol de Bretagne, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a system for learning braille, comprising at least one removable element (2) having at least one braille inscription, a main device (1) capable of receiving and identifying the removable element (2), a speaker (S) and an installed unit (5), internal to the main d...