ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,092, issued on June 17, was assigned to Wacom Co. Ltd. (Saitama, Japan).
"Stylus and color information transmitting method" was invented by Vanio Kirilov Ivanov (Sofia, Bulgaria).
According to the abstract* released by the U.S. Patent & Trademark Office: "Color information obtained by an optical sensor of a stylus can be displayed at a pen tip of the stylus with good visibility, and visual feedback is provided as a suitable user interface when the color information is transmitted from the stylus to an electronic apparatus. A stylus includes: a trigger signal generating circuit; an optical sensor that detects incident light; a memory circuit that stores color information of the in...