ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,026, issued on May 27, was assigned to SHENZHEN LONGWEI TECHNOLOGY Co. LTD (Shenzhen, China).
"Ear hook personal sound device" was invented by Xinhong Wang (Sichuan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ear hook personal sound device is disclosed, including a housing, a speaker and a front conduction tube. One surface of the speaker is connected and sealed with the front conduction tube, a radiation port is formed on the speaker, and a distance for a sound wave radiated by the speaker to be conducted through the front conduction tube to an opening of an ear canal is less than 10 mm. The other surface of the speaker is hermetically...