Universal methods and device for hand-held promotional opportunities

作者: Edward J. Koplar , Christopher E. Chupp , James G. Withers , Daniel A. Ciardullo

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摘要: A method and system for auxiliary data detection. Data is received on a hand-held device from display of signal monitor. The visually displayed the monitor at frequency. modulated video device. contains within in substantially invisible way. demodulated to obtain data. At least one or processed identify promotional opportunity available through user notified availability