ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,264, issued on Nov. 18, was assigned to Bang & Olufsen A/S (Struer, Denmark).
"Headphone earpiece with modular control wheel" was invented by Tee Hock Ho (Singapore).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a headphone with noise-cancelling capabilities. More specifically, the present disclosure relates to replaceable and serviceable headphone batteries, without extensive dismantling or replacement of the headphone. The headphone may have a volume wheel that is located on the back of the ear-piece. The volume when may be turned clock-wise or counter clock-wise to increase, or decrease the volume, respectively. ...