ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,454, issued on Oct. 28, was assigned to GOERTEK INC. (Weifang, China).
"Speaker module and electronic device" was invented by Xiaodong Cai (Shandong, China), Song Liu (Shandong, China) and Yanyan Hou (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A speaker module and an electronic device are disclosed, comprises a module casing, a speaker unit and a linear motor module. The module casing is provided with a mounting cavity; the speaker unit is provided in the mounting cavity and comprises a magnetic circuit system provided with a mounting groove; the linear motor module is provided in the mounting cavity and comprises a housing, a co...