Implement method of anti-counterfeit anti-changing electronic bar code
A technology of electronic barcode and realization method, which is applied to instruments, commerce, inductive record carriers, etc., can solve the problem of lack of confidentiality, and achieve the effect of being difficult to be destroyed or imitated, good confidentiality, and preventing counterfeiting or concatenation of goods.
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Embodiment 1
[0020] The flow chart of the process of reading the electronic barcode in the present invention is as figure 1 As shown, the implementation method of the anti-counterfeiting and anti-cross-selling electronic barcode in this embodiment includes the following three steps:
[0021] 1) Electronic barcode writing: During the program writing process of the product chip MCU / DSP, the data of the data storage location of the electronic barcode is reserved in the communication program, including four parts: a) data start mark part; b) electronic barcode part; c) bar code verification part; d) data termination mark part. For example, set data {0FEH; 0FFH; 0FFH; 0FFH; 0FFH; 0FFH; 0FFH; 0D5H} in the program, the data content of this segment can be read and transmitted through the communication protocol set in the main program. At the same time, it can be changed through the chip program writer. Among them, 0FEH and 0D5H are the start flag and stop flag respectively for the chip program p...
Embodiment 2
[0029] Such as figure 2 As shown, step 1) and step 2) of the implementation method of the anti-counterfeiting and anti-cross-selling electronic barcode in this embodiment are the same as in embodiment 1, and step 3) is different from embodiment 1.
[0030]In this embodiment, the electronic barcode identification method of step 3) is: the user or the company can pass one or more buttons on the product circuit control panel during the market spot check process to make the product pass through its display device (such as digital tube, LED lights, LCD screens, VFD or dynamic digital tubes, etc.) display electronic barcode data for manual reading. Then compare other barcode information of the product, such as color box barcode, sales area barcode, etc., with other barcode information of the product associated with the read electronic barcode in the company's PC barcode system, and then confirm whether it is genuine ; Or clarify which sales area the product belongs to, and confirm...
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