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Method and controller for identifying a drag gesture

  • US 20060007166A1
  • Filed: 07/06/2004
  • Published: 01/12/2006
  • Est. Priority Date: 07/06/2004
  • Status: Active Grant
First Claim
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1. A method of identifying a drag gesture, with which the drag gesture is performed on a touch device, the method comprising follow steps:

  • i. detecting a first appearance of an object on the touch device;

    ii. detecting a second appearance of the object on the touch device; and

    iii. a sum of time duration of the first appearance and time span between an end of the first appearance time duration and a start of the second appearance being smaller than a first reference time and meeting one of following two situation, then generating a drag signal;

    (C) another summation of the first appearance time duration, the time span and a second appearance time duration being not less than the reference time value; and

    (D) an accumulated displacement of the second appearance time duration being not less than a reference displacement.

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