SHARING ELECTRONIC DRAWINGS IN COLLABORATIVE ENVIRONMENTS
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United States of America Patent
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Issued Date -
Feb 26, 2015
app pub date -
Nov 27, 2013
filing date -
Aug 22, 2013
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Abstract
An improved technique involves providing for a gesture-based undo command for use within a collaborative drawing environment. Such an undo function that is both gesture-based and capable of being used within a collaborative environment takes full advantage of the capabilities of tablet computers and laptop computers having touch screens. The gesture-based undo command may involve a multi-point linear swipe such as a two-point linear swipe gesture in order to easily distinguish an undo command from a drawing command.
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