US Patent Issued to Wacom on March 3 for "Position detection circuit, position detection method, and position detection system" (Japanese Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,523, issued on March 3, was assigned to Wacom Co. Ltd. (Saitama, Japan).

"Position detection circuit, position detection method, and position detection system" was invented by Masafumi Utsugi (Saitama, Japan) and Jui Min Liu (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A position detection circuit for detecting, by using a touch sensor, a position indicated by a passive pointer to a touch surface disposed on the touch sensor. The position detection circuit includes a detection circuit that detects a touch of the passive pointer to the touch surface, a calculation circuit that calculates a total value of capacitance values in a calc...