Patent Document ID: 10007421
Application ID: 14816728

Base Claim:
1. A method, comprising: detecting, at a touch surface, at least two points of contact of a hand of a user: identifying, based on a configuration of the at least two points of contact, a contact signature, wherein the contact signature identifies an input provided by the user as handwriting input and is used to identify the user providing the input, wherein the identifying the contact signature comprises identifying a contact position and size associated with each of the at least two points of contact and identifying a distance between each of the at least two points of contact; and displaying, on a display screen, the handwriting input, wherein the handwriting input is identified as being input at a location relative to the at least two points of contact of the hand of the user.

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Claim 4:
4. The method of claim 1 , further comprising displaying, on the touch surface, a graphic depicting a writing utensil at the location of the handwriting input.