US Patent Issued to Sonos on Dec. 2 for "Systems and methods of charging playback device batteries" (British, American Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,302, issued on Dec. 2, was assigned to Sonos Inc. (Goleta, Calif.).

"Systems and methods of charging playback device batteries" was invented by Joern Riemer (Trabuco Cayon, Calif.), James Nesfield (Edinburgh, Great Britain) and Matthew Benatan (Stockport, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are systems and methods for charging batteries of audio playback devices. An example method performed by a media playback system includes receiving power from a first power source to charge a first power storage of a first playback device according to a first charging scheme, and receiving power from a second power source ...