US Patent Issued to Wacom on Dec. 2 for "Position detection circuit and position detection method" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,692, issued on Dec. 2, was assigned to Wacom Co. Ltd. (Saitama, Japan).

"Position detection circuit and position detection method" was invented by JuiMin Liu (Tokyo) and Shigeyuki Sano (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A position detection method performed using a capacitive touch sensor with line electrodes two-dimensionally arranged. The method includes: acquiring first two-dimensional data indicating a first distribution of detection values of capacitance on the touch sensor; recognizing that a foreign object is present in an area on the touch sensor based on the first two-dimensional data; in response to the recogniz...