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Synchronizing presentation states between multiple applications

  • US 8,473,571 B2
  • Filed: 01/08/2009
  • Issued: 06/25/2013
  • Est. Priority Date: 01/08/2009
  • Status: Active Grant
First Claim
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1. A computer-implemented method for synchronizing a presentation state between a presenting application executing on a presenter device and a viewing application executing on an attendee device, the method comprising:

  • receiving a presentation state from the presenting application, the presenting application operative to read a presentation file and to display a local presentation in response to reading the presentation file, the presentation state representing a current state of the local presentation;

    receiving a request for the presentation state from the viewing application; and

    in response to receiving the request for the presentation state, providing the presentation state to the viewing application, wherein when the presentation state includes a plurality of coordinate parameters, the plurality of coordinate parameters at least partly defining a path, the plurality of coordinate parameters are provided to the viewing application.

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