ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,289, issued on Nov. 4, was assigned to FORTEMEDIA INC. (Alviso, Calif.).
"Micro speaker structure with novel magnet design" was invented by Shih-Chin Gong (Taipei, Taiwan) and Yu-Xuan Xu (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A micro speaker structure is provided. The micro speaker structure includes a substrate, a diaphragm, a coil, a circuit board, and a magnet member. The substrate has a hollow space. The diaphragm is disposed over the substrate and covers the hollow chamber. The coil is embedded in the diaphragm. The circuit board is attached to the substrate. The magnet member is disposed on the circuit board and in the ...