Digital watermarking apparatus, systems and methods
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Nov 14, 2002
app pub date -
May 10, 2001
filing date -
May 10, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A variety of systems responsive to watermarked documents are detailed. In one, a system includes a user terminal, a central site, and a website. The user terminal includes a watermark reader, and a capture device to capture an image of a watermarked document. The central site includes a database of watermark identifiers and corresponding and related information. The user terminal communicates an extracted watermark identifier to the central site. The central site interrogates a database via the extracted watermark identifier to find any related information. The central site generates a random number and a time stamp, and stores such as a verification record along with the extracted watermark identifier. Such a verification record can be used to verify authority to enter the website from the user terminal.
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