ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,093, issued on Jan. 27, was assigned to Sonos Inc. (Santa Barbara, Calif.).

"Failure recovery of wearable playback device" was invented by Steven Beckhardt (Boston), Jonathan Paul Lang (Cambridge, Mass.) and Jonathon Reilly (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example implementation may involve a group of wearable playback devices including a first wearable playback device and a second wearable playback device. The wearable playback devices render multi-channel audio content according to particular playback responsibilities in the group. When a failure or other issue with the second wearable playback device occurs, the...