ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,138, issued on March 18, was assigned to Primax Electronics Ltd. (Taipei, Taiwan).

"Method for calibrating functional icon display position and control device using the method" was invented by Wei-Ching Kuo (Taipei, Taiwan), Xu Yang (Taipei, Taiwan), I-Min Shu (Taipei, Taiwan) and Rong-Fu Lee (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for calibrating a functional icon display position of a control device is provided. The control device includes a transparent key and a display panel. The method includes the following steps. Firstly, an image capturing device is used to photograph a functional icon, and thus a real spatia...