US Patent 10466812 Enhancing input on small displays with a finger mounted stylus

A finger-mounted stylus for performing touch-based input on a touchscreen includes a fingertip case configured to attach to a user fingertip, an extension arm that is coupled to the fingertip case and includes a conductive tip, wherein the extension arm is configured to position the conductive tip away from the fingertip case, and control circuitry configured to apply an electric charge to the conductive tip when the conductive tip is in contact with or proximate to the touchscreen.