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Gesturing with a multipoint sensing device

  • US 9,239,673 B2
  • Filed: 09/11/2012
  • Issued: 01/19/2016
  • Est. Priority Date: 01/26/1998
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • detecting a plurality of contacts corresponding to touches in a multipoint sensing area of a multipoint sensing device;

    determining a motion of the plurality of contacts;

    selecting a first set of one or more of the plurality of contacts;

    performing a gesture operation based on the motion of the first set;

    determining additional motion of the plurality of contacts;

    determining a maximum motion from the additional motion;

    comparing the maximum motion to the additional motion of the first set;

    based on the comparison, selecting a second set of one or more of the plurality of contacts, at least one contact of the second set having the maximum motion; and

    continuing the gesture operation based on the motion of the second set.

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