ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,873, issued on Nov. 11, was assigned to MERRY ELECTRONICS (SUZHOU) Co. LTD. (Suzhou, China).
"Loudspeaker" was invented by Yuanyuan Zhang (Suzhou, China) and Mingya Luo (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a loudspeaker. The loudspeaker includes a shell, a vibration structure, a magnetic circuit structure, a voice coil and a bridging structure. The vibration structure is disposed on the shell. The magnetic circuit structure includes a yoke and a magnetic pole structure disposed on the yoke. The voice coil is connected to the vibration structure and is movable relative to the magnetic circuit structure. The yoke i...