ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,895, issued on Sept. 9, was assigned to AAC Technologies Pte. Ltd. (Singapore).
"Loudspeaker assembly and hand-held device" was invented by Juha Backman (Tampere, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A loudspeaker assembly and a hand-held device are provided. The loudspeaker assembly includes at least one loudspeaker driver and at least two output ports. The at least one loudspeaker driver and the at least two output ports are configured so that the loudspeaker assembly has a directive polar pattern over a desired frequency range."
The patent was filed on Jan. 9, 2023, under Application No. 18/094,410.
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