ALEXANDRIA, Va., July 30 -- United States Patent no. 12,375,845, issued on July 29, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Audio output device including extended resonance space and electronic device including the same" was invented by Chamin Park (Suwon-si, South Korea), Jonghong Kim (Suwon-si, South Korea), Cheongno Yun (Suwon-si, South Korea) and Soojung Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An audio output device is provided. The audio output device includes a speaker, a case surrounding the speaker and including a first opening connected to the resonance space within the case, a plurality of air adsorbents disposed within the speaker, a...