ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,998, issued on Dec. 23, was assigned to Lenovo (Singapore) Pte. Ltd. (Singapore).
"Headphone system" was invented by Lindsay Nelson (Morrisville, N.C.), Christopher Romano (Morrisville, N.C.), Russell T Covington (Morrisville, N.C.) and Dane Hixson (Morrisville, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A headphone system can include an earbud that includes an earbud speaker, earbud communication circuitry and earbud power circuitry; and a headphone that includes a headphone speaker, an ear cushion, a headband, headphone communication circuitry, headphone power circuitry and an earbud socket that removably receives the earbud."
The patent...