Identifying contacts on a touch surface

  • US 8,593,426 B2
  • Filed: 02/01/2013
  • Issued: 11/26/2013
  • Est. Priority Date: 01/26/1998
  • Status: Expired due to Term
  • ×
    • Pin
First Claim
Patent Images

1. A method of input of a computing system including a touch sensing surface, the method comprising:

  • obtaining touch sensing information of a scan of the touch sensing surface;

    determining, based on the touch sensing information of the scan, contact information of a set of one or more contacts, each contact corresponding to a touch object on or near the surface and the contact information including an angle of one of a major axis and a minor axis of a first contact of the set;

    determining, based on the angle, a first orientation of the first contact; and

    generating input of the computing system based on the first orientation.

View all claims