ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,752, issued on June 3, was assigned to Harman International Industries Inc. (Stamford, Conn.).
"Audio speaker dust cap illumination" was invented by Henrik Kirkeby Jepsen (Vinderup, Denmark), Marcel Pilgaard Havemann (Hjerm, Denmark) and Henrik Muusmann Jorgensen (Struer, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described embodiments include an audio speaker configured to emit sound in a main sound emission direction. The audio speaker comprises a voice coil, a movable diaphragm connected to the voice coil and configured to move together with the voice coil, the movable diaphragm comprising, in a direction opposite the main sound emissi...