Universal methods and device for hand-held promotional opportunities
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United States of America Patent
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Feb 8, 2011
Grant Date -
Feb 4, 2010
app pub date -
Jul 29, 2009
filing date -
Apr 7, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system for auxiliary data detection. Data is received on a hand-held device from a display of a signal on a monitor. The signal is visually displayed on the monitor at a frequency. A modulated video signal is received on the hand-held device from a display device. The modulated video signal contains auxiliary data modulated within a video signal in a substantially invisible way. The modulated video signal is demodulated to obtain the auxiliary data. At least one of the data or the auxiliary data is processed to identify a promotional opportunity available through the hand-held device. The user of the hand-held device is notified of availability of the promotional opportunity through the hand-held device.
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