US Patent Issued to Sonos on May 19 for "Systems and methods for stabilizing a playback device" (American, Chinese Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,634, issued on May 19, was assigned to Sonos Inc. (Goleta, Calif.).

"Systems and methods for stabilizing a playback device" was invented by Timothy W. Sheen (Brighton, Mass.), Jonathan Oswaks (Thousand Oaks, Calif.), Linduo Liu (Shanghai), Minqiang Yang (Beijing), Stephen Everett (Natick, Mass.), Nigel Pemberton-Pigott (Goleta, Calif.) and Michael Ahrens (San Luis Obispo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A negative-stiffness audio transducer can include a frame, a voice coil, and a suspension assembly resiliently attaching the voice coil to the frame. The suspension assembly provides a negative stiffness to axial movement of the ...