US Patent Issued to Wacom on Nov. 4 for "Method carried out in system including active stylus and sensor controller, sensor controller, and active stylus" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,672, issued on Nov. 4, was assigned to Wacom Co. Ltd. (Saitama, Japan).

"Method carried out in system including active stylus and sensor controller, sensor controller, and active stylus" was invented by Sadao Yamamoto (Tokyo) and Hideyuki Hara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor controller includes a transmitter configured to transmit an uplink signal including a first partial signal and a second partial signal. The transmitter is configured to transmit the first partial signal by direct spreading using a first spread code and transmit the second partial signal by direct spreading using a second spread code which is differe...