ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,761, issued on Oct. 14, was assigned to Quiet Inc. (La Jolla, Calif.).

"Precisely controlled microphone acoustic attenuator with protective microphone enclosure" was invented by Scott A. Moser (La Jolla, Calif.), Carlos Montoya (San Diego), Peter L. Madaffari (Camden, Maine), Vijay Parsa (London, Canada) and Niamh C. Finnegan (Bristol, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "An attenuator is disclosed that enables a microphone's relatively undistorted pick up of a voice that is generated in close proximity to the microphone. This attenuator is a key component of a groundbreaking assistive device or handset/headset that empowers ...