SENSING DEVICE WITH INTERCHANGEABLE NIBS.

摘要

A sensing device for use with a surface, the sensing device including a motion sensor configured to generate movement data indicative of movement of the sensing device relative to the surface, a nib for marking the surface, the nib having associated nib information indicative of at least one surface marking characteristic of the nib, and a transmitter for transmitting the movement data together with the nib information to a computer system.