ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,582, issued on Oct. 21, was assigned to Apple Inc. (Cupertino, Calif.).
"Integrated barometric vent" was invented by Marco Baratelli (San Francisco), Justin D. Crosby (Cupertino, Calif.) and Thomas H. Tsang (Sunnyvale, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Improved acoustic devices include water-resistant venting across various surfaces inside acoustic devices such as speakers and microphones. Surfaces such as an acoustic diaphragm, a cover for a resonant chamber, and a cover for an external port of an acoustic transducer may include design features that create or enhance gas-permeable and water impermeable attributes. Such design fe...