US Patent Issued to Wacom on July 14 for "Pen state detection circuit and method, and input system" (Japanese Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,591, issued on July 14, was assigned to Wacom Co. Ltd. (Saitama, Japan).

"Pen state detection circuit and method, and input system" was invented by Koichi Maeyama (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a pen state detection circuit for detecting a state of an electronic pen based on a signal distribution detected by a touch sensor including a plurality of sensor electrodes arranged in a plane shape, the electronic pen including at least one electrode, the pen state detection circuit, in operation, acquires, from the touch sensor, a first signal distribution and a second signal distribution, generates a two-dimensi...