ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,671, issued on June 2, was assigned to Getac Technology Corp. (New Taipei, Taiwan).

"Portable electronic device and user interface operation method thereof" was invented by Yen-Hsiang Hung (Taipei, Taiwan) and Hung-Xin Chen (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable electronic device includes a wheel, a display and a processor. The wheel is configured to rotate to generate a positive/negative switching signal. The display is configured to display a current option, which is one of a plurality of first/second function options. The processor is electrically connected to the wheel and the display, and is configured to switc...