ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,834, issued on Nov. 25, was assigned to Lenovo (Singapore) Pte. Ltd. (Singapore).

"Information processing apparatus and control method" was invented by Hidehisa Mori (Kanagawa, Japan), Dadao Tian (Kanagawa, Japan), Hironari Nishino (Kanagawa, Japan), Qian Wang (Kanagawa, Japan), Chikara Takahashi (Kanagawa, Japan) and Tabito Miyamoto (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An information processing apparatus includes: two amplifiers that and output sound signals based on sound data to two speakers, respectively, that the stereo speaker has; a connector that connects the amplifiers to the two speakers; and a microphone. When a...