US Patent Issued to Wacom on May 12 for "Method of palm rejection and sensor controller" (Japanese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,577, issued on May 12, was assigned to Wacom Co. Ltd. (Saitama, Japan).

"Method of palm rejection and sensor controller" was invented by Masayuki Miyamoto (Saitama, Japan) and Hideyuki Hara (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of palm rejection is executed by a sensor controller that is connected to a plurality of sensor electrodes and that detects a downlink signal transmitted from an active pen. The method includes determining whether or not a phase of the detected downlink signal matches a phase shared in advance between the sensor controller and the active pen, and outputting, when it is determined that the phas...