US Patent Issued to Sonos on Sept. 1 for "Synchronous playback of media content by off-net portable playback devices" (Massachusetts, California Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,584, issued on Sept. 1, was assigned to Sonos Inc. (Goleta, Calif.).

"Synchronous playback of media content by off-net portable playback devices" was invented by Cheng Lu (Boston) and Hrishikesh Gossain (Santa Barbara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed embodiments include a portable playback device performing functions comprising: (i) after receiving an indication to operate in a playback group while the first portable playback device is connected to a network device via a Personal Area Network (PAN) and not connected to a first Wireless Local Area Network (WLAN), establishing a second WLAN for the playback group; and (...