ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,356, issued on March 24, was assigned to NOVATEK Microelectronics Corp. (Hsin-Chu, Taiwan).
"Stylus sensing circuit and stylus" was invented by Ting-Yu Chan (Hsinchu, Taiwan), Yun-Hsiang Yeh (Hsinchu, Taiwan) and Chi-Te Lin (Hsinchu County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stylus sensing circuit includes a receiving circuit, a demodulation circuit and a detection circuit. The receiving circuit receives a downlink signal from a stylus, wherein the downlink signal includes a plurality of frequency signals. The demodulation circuit, coupled to the receiving circuit, demodulates the downlink signal to extract each of the pluralit...