US Patent Issued to PIXART IMAGING on Oct. 7 for "Capacitive touch control system detecting stylus pen and finger" (Taiwanese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,643, issued on Oct. 7, was assigned to PIXART IMAGING INC. (Hsin-Chu County, Taiwan).

"Capacitive touch control system detecting stylus pen and finger" was invented by Ming-Hung Tsai (Hsin-Chu County, Taiwan) and Sung-Han Wu (Hsin-Chu County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a capacitive touch control system including a readout circuit and a touch panel. The touch panel includes multiple pixels arranged in a matrix, and is configured to operate in a first mode or a second mode. In the first mode, the touch panel time-divisionally detects a beacon frequency of a beacon symbol of the stylus pen signal within a fir...