6- 14 bit is a cigarette code segment (the last 9 random bits of the cigarette case);
15- 16 is the sequence code (between 0 1-50);
17-20 bits are enterprise information (which can be Arabic numerals or enterprise pinyin codes), for example, the code segment of Changsha Tobacco is (csyc * * *);
2 1-32 bits are the retail license code.
Because the real cigarettes on the market basically have barcodes, this also forces counterfeiters to imitate them, so that some fake cigarettes also have barcodes. Judging from the counterfeit cigarettes with bar codes seized in the market at present, compared with real cigarettes, there are the following identification points.
Extended data 1: upper and lower numbers are asymmetric.
The 32-bit upper and lower bar codes on the real cigarette bar code are parallel and symmetrical, and the font is the same. Fake cigarette bar codes are prone to asymmetry, non-parallelism and even different fonts.
2. Digital writing is confusing
For example, the number 16 17 is greater than 50 or 00. Congratulations. In fact, consumers can input information on the cigarette bar code inquiry system for inquiry. When buying cigarettes, you can call the self-service telephone set up by the local tobacco monopoly bureau to check the authenticity of cigarettes. Choose self-service and enter the 18-digit cigarette anti-counterfeiting bar code to know the authenticity of the purchased cigarettes.
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