TELEVISION SIGNAL ACTIVATED INTERACTIVE SMART CARD SYSTEM

摘要

A smart card is disclosed which includes an optical receiver for receiving promotion data encoded in a television signal and transmitted through a cathode ray tube of a television. The smart card also includes circuitry for storing the promotion data and circuitry for executing the promotions associated with the promotion data, including circuitry for displaying a promotion in the form of a UPC code on an LCD display. The smart card further includes circuitry for interacting with a user through the LCD display and a plurality of buttons.