Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2008-07-03
2011-12-13
Le, Thien M. (Department: 2887)
Registers
Coded record sensors
Particular sensor structure
C235S375000, C235S462010, C235S462080, C235S462100, C235S487000, C235S494000
Reexamination Certificate
active
08074886
ABSTRACT:
Systems and methods consistent with embodiments of the present invention provide for a method for preserving and maintaining document integrity. In some methods for preserving and maintaining document integrity, the contents of a document, or contents of a document layer may be encoded into a machine-readable form. In some embodiments, the encoded information may be represented using a 2-dimensional bar code. In some methods for preserving and maintaining document integrity, the machine-readable code is printed along with contents of the document based on space available in the document. In some embodiments, a printed document containing the machine-readable code may be scanned and digitized, and content extracted from the scanned data. In some embodiments, the machine-readable code printed on the document is used to recreate layer data from the printed document.
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