Sensor arrangement for use with a touch sensor that identifies hand parts

  • US 9,098,142 B2
  • Filed: 11/25/2013
  • Issued: 08/04/2015
  • Est. Priority Date: 01/26/1998
  • Status: Expired due to Term
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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 an angle of one of a major axis and a minor axis of an ellipse of a first contact of the set; and

    determining, based on the angle, a first orientation of the first contact.

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