ALEXANDRIA, Va., June 25 -- United States Patent no. 12,342,133, issued on June 24, was assigned to SHENZHEN SHOKZ Co. LTD. (Shenzhen, China).

"Systems and methods for suppressing sound leakage" was invented by Xin Qi (Shenzhen, China) and Fengyun Liao (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A speaker comprises a housing, a transducer residing inside the housing, and at least one sound guiding hole located on the housing. The transducer generates vibrations. The vibrations produce a sound wave inside the housing and cause a leaked sound wave spreading outside the housing from a portion of the housing. The at least one sound guiding hole guides the sound wave inside the housing through...