US Patent Issued to Wacom on Feb. 18 for "Active pen, sensor controller, and position detection device configured for bidirection communication using time slots" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,229,366, issued on Feb. 18, was assigned to Wacom Co. Ltd. (Saitama, Japan).

"Active pen, sensor controller, and position detection device configured for bidirection communication using time slots" was invented by Masayuki Miyamoto (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An active pen communicates with a sensor controller using a series of time slots, to receive uplink signals from and transmit downlink signals to the sensor controller. The series of time slots are determined based on the reception timing, by the active pen, of an uplink signal used as a reference time. The active pen determines whether or not the uplink signal is...