US Patent Issued to PIXART IMAGING on Jan. 27 for "Touch detection circuit and denoising circuit thereof" (Taiwanese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,949, issued on Jan. 27, was assigned to PIXART IMAGING INC. (Hsin-Chu County, Taiwan).

"Touch detection circuit and denoising circuit thereof" was invented by Shiue-Shin Liu (Hsin-Chu County, Taiwan), Chang-Yuan Liou (Hsin-Chu County, Taiwan) and Cheng-Chih Chang (Hsin-Chu County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a denoising circuit connecting to two pins of a chip. The denoising circuit includes a shielding branch, a driving branch and an intermediate capacitor. The shielding branch is connected between a first pin of the chip, a ground voltage and a shielding metal. The driving branch is connected between a s...