CPC G06K 7/10366 (2013.01) [G06K 19/0723 (2013.01)] | 4 Claims |
1. A method for using a physical card applied to an exchange of a commodity, the method comprising:
configured a first reader for reading a high-frequency signal at a commodity exchange counter;
configured a second reader for reading an ultra-high frequency signal at an entrance of a store;
providing said physical card configured with at least one high-frequency electronic tag for generating said high-frequency signal and at least one ultra-high frequency electronic tag for generating said ultra-high frequency signal to a user;
completing an order of said commodity by the user to make that the user becomes a commodity exchanger;
confirming whether said second reader has read said ultra-high frequency signal generated from said at least one ultra-high frequency electronic tag of said physical card held by the user;
requiring a staff of said store to take out said commodity ordered by the user when said second reader reads said ultra-high frequency signal;
confirming whether said first reader has read said high-frequency signal generated from said at least one high-frequency electronic tag of said physical card held by the user; and
requiring said staff of said store to deliver said ordered commodity to the user after said first reader has been read said high-frequency signal generated from said at least one high-frequency electronic tag of said physical card held by the user.
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