An anti-counterfeit method and anti-counterfeit system based on radio frequency tags
A radio frequency tag, authenticity technology, applied in the field of anti-counterfeiting, can solve the problems of radio frequency tag hazards, can not solve the problem of radio frequency tag cloning and imitation, and achieve the effect of improving security
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Embodiment 2
[0066] Embodiment 2 is the second anti-counterfeiting method based on the radio frequency tag of the present invention, which is basically the same as the principle of the first embodiment. The difference is that when the radio frequency tag is an RFID tag, the specific The electromagnetic wave is the second exciting electromagnetic wave with fixed emission energy and amplitude modulation within a certain frequency range with the natural resonant frequency of the radio frequency tag as the center point.
[0067] Embodiment 2 of the present invention is mainly aimed at RFID tags, and the electromagnetic waves with fixed energy within a range centered on the resonant frequency are emitted to obtain a feedback curve. digital information) to obtain the unique serial number of the RFID radio frequency tag, and then compare it with the real curve corresponding to the serial number in the database. If the difference is lower than the predetermined threshold, it is legal, otherwise it ...
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