Method of maintaining product status with invisibly coded interface
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United States of America Patent
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May 24, 2011
Grant Date -
Oct 30, 2008
app pub date -
Jul 8, 2008
filing date -
Apr 7, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of maintaining a status of a product item is provided. The product item includes an associated interface surface which has coded data including a plurality of coded data portions indicative of the product item's identity. The method includes, in a sensing device, sensing at least one coded data portion, generating indicating data indicative of the product item identity therefrom, and transferring the indicating data to a computer system. The computer system is responsive to the indicating data to update product status information stored in a data store. The coded data is substantially invisible to the unaided eye.
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