Controlling a device based upon steganographically encoded data
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United States of America Patent
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May 29, 2012
Grant Date -
Nov 10, 2011
app pub date -
Jul 21, 2011
filing date -
Jul 27, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method includes receiving, at a first device, data representing a graphic. The graphic includes non-uniformly toned regions with information steganographically encoded therein. The steganographically encoded information is decoded from the received data. The method also includes communicating with a second device and receiving data from the second device. An aspect of operation of the first device is controlled in accordance with the data received from the second device. The data received from the second device is a function of the decoded information.
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