ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,857, issued on Nov. 11, was assigned to Sonos Inc. (Goleta, Calif.).

"Microphone switch for playback device" was invented by Thomas Mueller (Boston), Riley Stenstrom (Los Angeles), Charles LaColla (Woodland Hills, Calif.) and Andres Huertas (Melville, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Switch assemblies and network devices incorporating same. An example playback device includes a housing, one or more microphones, and a switch assembly configured to enable and disable the microphone(s). The switch assembly may include a slider cage coupled to the housing, an electrical actuator, and a sliding switch sub-assembly configured to slide l...