ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,272, issued on Sept. 1, was assigned to Milwaukee Electric Tool Corp. (Brookfield, Wis.).
"Identifying power tool devices based on sound generated by electronic components of the power tool devices" was invented by Jonathan E. Abbott (Milwaukee), Randolph H. McHugh (Sullivan, Wis.) and Mark A. Gellings (Colgate, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power tool device (102) is controlled to emit sounds that can identify the power tool device and/or be used to encode data for acoustic data transmission. Modulating the switching frequency of electronic components (370) (e.g., transistors, semiconductor switched devices) of the power too...