ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,408, issued on Nov. 25, was assigned to Sung Ho Lee (Jeju-do, South Korea).
"Capacitive detection device utilizing trapezoidal subshape" was invented by Sung Ho Lee (Seogwipo-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a capacitive touch input device utilizing the capacitive sensing method for detecting touch inputs from a finger or a similar conductive object. More specifically, it pertains to a capacitance detection device designed to facilitate the detection of touch coordinates based on the vertical movement of a pen by employing a capacitive detection sensor composed of a composite trapezoidal...