ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,275, issued on Nov. 4, was assigned to Harman International Industries Inc. (Stamford, Conn.).
"Wireless earbud assembly" was invented by Tieyi Liang (Shenzhen, China), Yi Zhang (Shenzhen, China) and Bin Cai (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An earbud assembly includes a charging case and at least one wireless earbud suitable to be stowed in the charging case. The charging case includes a battery, a charger electrically connected to the battery, a sensor configured to detect the opening and closing operations of the charging case, a battery status indicator that has a first state when the battery of the charging case is ...