主权项 |
1. An input tool for interacting with a touch screen, the input tool comprising:
a body in the form of a stylus, the body having different materials with each material having different surface treatments to form one or more vibro-acoustically distinct regions, wherein each vibro-acoustically distinct region produces a discrete vibro-acoustic signal when the input tool touches a surface of the touch screen, and wherein the vibro-acoustic signal is used to detect what region of the input tool was used. |