Watermarked business cards and methods
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United States of America Patent
Stats
-
Nov 18, 2003
Grant Date -
N/A
app pub date -
Jun 29, 1999
filing date -
May 19, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A person's business card is steganographically encoded with plural-bit data. When presented to a computer system with an optical sensor, the plural-bit data is decoded and used to trigger various functionality. For example, the system can link to a remote data store containing updated contact information for the person--contact information that is updated during the day as the person's activities make different contact information appropriate at different times. A great variety of other arrangements, some employing other steganographically encoded objects, are also detailed.
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Family
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Cited Art Landscape
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