ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,610, issued on Nov. 4, was assigned to Wacom Co. Ltd. (Saitama, Japan).
"Stylus and sensor control circuit" was invented by David Charles Fleck (Vancouver, Wash.) and Sadao Yamamoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stylus includes a first transmission circuit, a second transmission circuit, and a control circuit which controls the first and second transmission circuits according to a first transmission mode in which the control circuit controls the first transmission circuit to transmit a first downlink signal from a tip electrode and controls the second transmission circuit to not transmit a second downlink signal from a tail ...