ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,617, issued on May 19, was assigned to SHENZHEN COGITATION TECHNOLOGY Co. LTD (Shenzhen, China).
"Earphone" was invented by Jifeng Wu (Nanshan District Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An earphone includes a rear housing, an earpiece housing provided at a front end of the rear housing of the earphone, and a front portion connected to the earpiece housing. The front portion includes a support member and a liquid silicone layer wrapped around an exterior surface of the support member. An end of the liquid silicone layer extends outwardly to form an in-ear part. A sound transmission channel is formed within the front portio...