| 摘要 |
FIELD: information technology. ^ SUBSTANCE: protected access code is entered into a data base from a "commodity key". Further, compatibility of the access code with the identification number of the commodity is checked using the data base system. In case of conformity, the data base system issues an identification certificate for a specific commodity unit with an assigned number. The said certificate will then present the access code to the identification number of the commodity in the data base. ^ EFFECT: invention ensures accurate identification and high level of protecting any commodity from counterfeit. ^ 5 cl |
