ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,466, issued on Aug. 12, was assigned to Wacom Co. Ltd. (Saitama, Japan).
"Sensor controller and stylus" was invented by Yuji Katsurahira (Saitama, Japan) and Hideyuki Hara (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An active stylus is provided, which can reduce battery power consumption and reduce the time required for its signal transmission. A position detection device includes a tablet and the stylus having a built-in power source, which are capable of bi-directional transmission and reception of signals through capacitive coupling therebetween. The tablet is configured to transmit a trigger signal US_trg and then transmit a command si...