ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,229,351, issued on Feb. 18, was assigned to Wacom Co. Ltd. (Saitama, Japan).
"Touch sensor and method for deriving a stylus position" was invented by Thomas Bell (Fareham, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stylus includes a first sensor configured to receive a first receive signal from a touch sensor of a device, and a second sensor configured to receive a second receive signal from the touch sensor of the device. The stylus includes an amplifier coupled to the first and second sensors and configured to produce a third signal by amplifying the difference between the first receive signal and the second receive signal. The sty...