ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,712, issued on June 17, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China) and AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co. LTD. (Shenzhen, China).
"Speaker" was invented by Huhu Yang (Shenzhen, China), Wei Wei (Shenzhen, China), Zhaoyu Yin (Shenzhen, China) and Zhizhu Chen (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A speaker includes a diaphragm, a voice coil with a lead wire, and a flexible circuit board assembly. The flexible circuit board assembly includes at least two flexible circuit boards and a soldering sheet. Each flexible circuit board includes an inner fixing portion including an upper surface close to...