ALEXANDRIA, Va., April 21 -- United States Patent no. 12,610,181, issued on April 21, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China).
"Integrated sounding device" was invented by Weiwei Tao (Changzhou, China), Xin Jin (Changzhou, China) and Fan Zhang (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated sounding device is disclosed. The integrated sounding device includes a housing having a sound outlet, a speaker unit and a fixing member. The speaker unit includes a diaphragm having a first suspension, a second suspension and a dome. The fixing member connects an inner fixing part of the second suspension and the housing. The dome includes a first side close t...