ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,030, issued on Feb. 24, was assigned to Wacom Co. Ltd. (Saitama, Japan).
"Position detection system and touch sensor" was invented by Haruhiko Hisano (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A position detection system includes a display device that displays image data by driving pixel electrodes, and a touch panel including a sensor electrode and a touch sensor. An active pen communicates with the touch sensor using a frequency included in a frequency band. The display device suppresses a frequency component in the frequency band in capacitive noise that occurs in the sensor electrode due to a voltage vibration in an interconn...