User interface system employing printed substrate and substrate sensing device
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United States of America Patent
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Issued Date -
Jul 11, 2013
app pub date -
Dec 11, 2012
filing date -
May 25, 1999
priority date (Note) -
Abandoned
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Abstract
A user interface system includes a substrate having printed thereon user information and coded data, the coded data identifying various spatial regions of the printed substrate, and identifying a position of each coded data on the printed substrate; an optically imaging device configured to interact with the coded data on the substrate, generate interaction data indicating the physical region in which the device is interacting with the substrate; and a first computer system for receiving the interaction data, the first computer system configured to retrieve a digital version of the substrate, identify a digital region in the digital version corresponding to the physical region indicated by the interaction data, generate a query expression comprising of a search term identified from the digital region, and form a request from the query expression.
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