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Apparatus and method for executing multiple-concatenated command gestures in a gesture based input system

  • US 5,809,267 A
  • Filed: 03/18/1996
  • Issued: 09/15/1998
  • Est. Priority Date: 12/30/1993
  • Status: Expired due to Term
First Claim
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1. A computer-implemented graphic editing system comprising:

  • (a) a computer,(b) a display under control of the computer,(c) a computer application program including means for displaying on the display data operated on by the application program,(d) a user-operated pointing device coupled to the display under control of the computer,(e) means in the computer for recognizing gestures made by the pointing device when manipulated by a user,(f) means for storing in the computer a library of primitive gestures and at least one break gesture that can be made with the pointing device, each of said primitive gestures representing an individual operator command to the computer to execute a specific command to edit the data displayed on the display in a specific manner,(g) means in the computer for comparing each recognized gesture with the library of primitive gestures and at least one break gesture to determine whether any of the recognized gestures represent a primitive gesture or break gesture and to identify each said primitive gesture,(h) means for storing in the computer a compound gesture inputted with the pointing device in a single continuous stroke, the compound gesture being comprised of at least first and second primitive gestures corresponding to primitive gestures stored in the library and further comprised of the break gesture which is drawn between the first and second primitive gestures on the display in a shape distinct from the shape of the first and second primitive gestures; and

    (i) means in the computer for first executing, after the inputting of the compound gesture, the command represented by the first primitive gesture and then executing the command represented by the second primitive gesture.

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