ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,486, issued on Sept. 30, was assigned to GOERTEK INC. (Weifang, China).
"Sound generating device module" was invented by Qizhong Wang (Shandong, China) and Zongjun Mou (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in the present application is a sound generating device module, comprising: a housing having a cavity therein; a frame fixedly provided in the cavity, a high-pitch sound generating unit and a low-pitch sound generating unit are respectively provided on two opposite sides of the frame, the high-pitch sound generating unit and the low-pitch sound generating unit share the cavity; a baffle plate is provided on a s...