ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,424, issued on March 24, was assigned to Sonos Inc. (Goleta, Calif.).
"Wireless power transfer for audio playback devices" was invented by Nicholas D'Amato (Santa Barbara, Calif.), Chadwick Souza (Providence, R.I.) and Jonathan Cole Harris (Santa Barbara, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are devices (e.g., audio playback devices) configured to transmit and/or receive wireless power. Wireless power can be transferred using mid-range or long-range techniques, such as electromagnetic radiation (e.g., lasers, microwaves) or electromagnetic coupling (e.g., inductive coupling, capacitive coupling). Device performance...