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IDENTIFYING CONTACTS ON A TOUCH SURFACE

  • US 20130147761A1
  • Filed: 02/01/2013
  • Published: 06/13/2013
  • Est. Priority Date: 01/26/1998
  • Status: Active Grant
First Claim
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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 one of a major axis and a minor axis of a first contact of the set;

    determining, based on the one of the major axis and the minor axis of the first contact, a first orientation of the first contact; and

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

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