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Adaptive inking in an electronic presentation system

  • US 10,409,481 B2
  • Filed: 06/06/2017
  • Issued: 09/10/2019
  • Est. Priority Date: 06/06/2017
  • Status: Expired due to Fees
First Claim
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1. A presentation system, the presentation system comprising:

  • at least one touch sensitive display, the at least one touch sensitive display having a display surface;

    at least one processor coupled to the touch sensitive display; and

    a memory storing instructions, the instructions comprising instructions executable by the processor to cause the touch sensitive display to;

    detect a plurality of touch points within a time period, the time period having a predetermined length;

    determine an average size of the touch points within the time period;

    determine a standard deviation of the sizes of the touch points within the time period;

    determine an average distance of the touch points from a predetermined line;

    determine that the plurality of touch points corresponds to one or more writing gestures based on the average size, the standard deviation of the sizes, and the average distance of the touch points from the predetermined line;

    determine a nature of the one or more writing gestures based on at least one factor;

    determine a language group to which the one or more writing gestures correspond;

    display, based on the determination that the plurality of touch points corresponds to one or more writing gestures and on the determination that the language group to which the one or more writing gestures correspond is a Roman group, one or more indicia on the touch sensitive display corresponding to the one or more writing gestures, wherein a thickness of the one or more indicia varies with a direction of the one or more writing gestures; and

    display, based on the determination that the plurality of touch points corresponds to one or more writing gestures and on the determination that the language group to which the one or more writing gestures correspond is a Chinese-Japanese-Korean group, one or more indicia corresponding to the one or more writing gestures, wherein a thickness of the one or more indicia varies directly with an amount of time taken to make a writing gesture to which an indicium corresponds,wherein a style in which the one or more indicia are displayed is based, at least in part, on the nature of the one or more writing gestures.

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