Document printed with graphical symbols which encode information
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United States of America Patent
Stats
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N/A
Issued Date -
Apr 22, 2004
app pub date -
Aug 8, 2003
filing date -
Feb 9, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A document is printed with graphical symbols which encode information but are not human readable; a graphical symbol has been selected from a set of visually distinct graphical symbols, which each code for the same bit or character, and a visible element printed on the document includes multiple such graphical symbols. Prior art graphical symbols (e.g. glyphs etc.) use a limited character set--e.g. just a single type of glyph for a type of bit or character (e.g. forward slash for bit `0` and back slash for bit `1`). Hence, it is not possible to automatically select a particular glyph for use in one region of a visible element (e.g. a picture of a face) because it has an internal pixel arrangement that makes it best suited for that particular region for aesthetic reasons.
First Claim
Family
International Classification(s)
Cited Art Landscape
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