ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,749, issued on Sept. 8, was assigned to Meewang Inc. (South Korea).

"Method and apparatus for outputting sound source based on amplification power control according to volume level" was invented by Seung Ho Yu (Incheon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a sound source output apparatus based on amplification power source control according to a volume level and an operating method thereof. The sound source output method according to the exemplary embodiment of the present disclosure includes a volume level sensing step of sensing a volume level; a control step of generating a voltage control signal by determining...