ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,898, issued on Jan. 27, was assigned to Wacom Co. Ltd. (Saitama, Japan).
"Sensor controller, active pen, and communication method" was invented by Haruhiko Hisano (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated circuit, for use with an active pen, transmits a downlink signal including first identification data via a pen tip electrode of the active pen after the active pen has been paired with a sensor controller, and in a case where an uplink signal including second identification data corresponding to the first identification data is received, controls transmission of a next downlink signal based on the second identific...