US Patent Issued to Wacom on March 31 for "Active pen, position detection system, and integrated circuit" (Japanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,331, issued on March 31, was assigned to Wacom Co. Ltd. (Saitama, Japan).

"Active pen, position detection system, and integrated circuit" was invented by Masayuki Miyamoto (Saitama, Japan), Haruhiko Hisano (Saitama, Japan) and Sadao Yamamoto (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To prevent drawing by pen input from stopping due to a failure in receiving an uplink signal, an active pen according to the present disclosure includes a processing circuit that transmits, at a second timing decided based on a first timing of a first uplink signal received from a sensor controller, a position signal and a data signal from a pen-tip...