ALEXANDRIA, Va., July 15 -- United States Patent no. 12,666,202, issued on June 23, was assigned to AAC Technologies Pte. Ltd. (Singapore).
"Loudspeaker and terminal device" was invented by Juha Backman (Tampere, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a loudspeaker and a terminal device. The loudspeaker includes: a loudspeaker body having a containing cavity; a transducer accommodated in the containing cavity separated by the transducer into a front and a rear cavity along the first direction, wherein a sound hole is provided on the loudspeaker body, and the sound hole is in communication with the front cavity; and a throat having a throat cavity, and a first and a second mouth a...