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Collaboration system

  • US 9,207,833 B2
  • Filed: 02/27/2013
  • Issued: 12/08/2015
  • Est. Priority Date: 09/25/2008
  • Status: Active Grant
First Claim
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1. A collaboration system, comprising:

  • an electronic pen configured to enable a user to write on paper such that what the user is writing while using the electronic pen is visible on the paper, the electronic pen further being configured to record information about strokes made by the user while writing; and

    a collaboration server including a storage medium, the collaboration server configured to;

    establish a collaboration session displayable on a digital surface;

    receive input from the electronic pen over a communication network and store the input from the electronic pen on the storage medium;

    process the input from the electronic pen to recreate what the user was writing while using the electronic pen; and

    cause the recreated writing to be shown during the collaboration session on the digital surface;

    wherein, in response to the user of the digital surface invoking a menu, the digital surface is configured to display the menu, wherein the menu is a pie-shaped menu having an input area, the input area extending in a circular segment extending less than 360 degrees such that no portion of the input area is disposed in an area expected to be occluded by the user'"'"'s hand when the user interacts with the menu.

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