Document printed with graphical symbols which encode information
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United States of America Patent
Stats
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Mar 29, 2005
Grant Date -
Apr 1, 2004
app pub date -
Aug 5, 2003
filing date -
Feb 9, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A document is printed with graphical symbols which encode information but are not human readable; the graphical symbols are formed into some or all of visible element printed on the document. The outline of this element is used for synchronising an automated process for scanning the document to extract the encoded information from the element. In prior art systems, synchronising an automated process for scanning the document to extract the encoded information from the element requires large scale arrangement of the graphical symbols (e.g. a horizontal line of glyphs which are all forward facing and which intersect a vertical line of glyphs which are all rearward facing). This considerably mars the appearance of a printed document. This negative impact on appearance has been one of the major causes inhibiting the uptake of graphical symbol technology for encoding information.
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Cited Art Landscape
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