ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,029, issued on May 27, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China).
"Loudspeaker and electronic device" was invented by Juha Backman (Tampere, Finland) and Timo Lamberg (Tampere, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a loudspeaker applied to an electronic device, including: a speaker body configured for vibrating and producing sound; a first acoustic channel having a first end communicated with the speaker body and a second end forming a first sound output port on a case of the electronic device; and a second acoustic channel having a first end communicated with the speaker body and a second end...