Record with removable two-dimensional code
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United States of America Patent
Stats
-
Jan 20, 1998
Issued Date -
N/A
app pub date -
May 30, 1995
filing date -
Jan 5, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A printing and reading system prints records having two-dimensional erasable bar codes. The bar code is printed on the record in erasable ink and can be implemented in PDF417 format. The system reads the two-dimensional erasable bar code located on the record, erases it using erasing fluid, dries it, and prints a new two-dimensional erasable bar code in place of the previous two-dimensional erasable bar code.
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Family
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Cited Art Landscape
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