ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,856, issued on Feb. 17, was assigned to SHENZHEN SHOKZ Co. LTD. (Shenzhen, China).
"Loudspeaker device" was invented by Lei Zhang (Shenzhen, China), Yongjian Li (Shenzhen, China), Wenbing Zhou (Shenzhen, China), Jinbo Zheng (Shenzhen, China) and Zhuyang Jiang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A loudspeaker device may include a speaker component, a circuit housing configured to accommodate a control circuit, and a key module disposed on the core housing. The speaker component may include an earphone core and a core housing for accommodating the earphone core. The control circuit may drive the earphone core to vibrate to ...