ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,272, issued on Nov. 4, was assigned to Knowles Electronics LLC (Itasca, Ill.).
"Micro-speaker for ear-worn hearing device" was invented by Charles B. King (Oak Park, Ill.), Thomas E. Miller (Arlington Heights, Ill.) and Mohammad Mohammadi (Rolling Meadows, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A micro-speaker for use in hearing and other body worn devices is disclosed, including an acoustic conduit defining an acoustic path between first and second air spaces. A first acoustic transducer is located between the acoustic conduit and the first air space and a second acoustic transducer located between the acoustic conduit and the second ai...