Writing using a touch sensor

  • US 9,348,452 B2
  • Filed: 04/10/2009
  • Issued: 05/24/2016
  • Est. Priority Date: 01/26/1998
  • Status: Expired due to Fees
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First Claim
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1. A method of a computing system that has a surface, the method comprising:

  • detecting a first set of one or more contacts, each contact corresponding to a hand part touching a touch sensor surface of the computing system, the touch sensor surface being a portion of the surface of the computing system on which the computing system detects contacts, wherein commands of the computing system are selected based on detected contacts;

    selecting a first command based on the first set;

    detecting a touch down of each contact of a second set of one or more contacts on the touch sensor surface while the first set remains touching the touch sensor surface, each contact of the second set corresponding to a hand part touching the touch sensor surface; and

    ignoring the second set by maintaining the first command after the touch down of the second set and by not selecting a command of the computing system based on the second set.

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