Title:
ANTI-COUNTERFEITING IDENTIFICATION METHOD FOR MICRO-DIFFUSION PRINTING
Document Type and Number:
WIPO Patent Application WO/2019/218624
Kind Code:
A1
Abstract:
Provided is an anti-counterfeiting identification method for micro-diffusion printing, comprising the following steps: selecting a printing area of a code identifier or graphic text identifier on an object to be printed (S1); forming in the printing area a code identifier or graphic text identifier having a random diffusion imprint (S2); obtaining the number of and position information of the random diffusion imprint and pre-generating an anti-counterfeiting feature code (S3); identifying the number of and position information of the random diffusion imprints on the object to be printed, and comparing with the pre-generated security feature code to determine the authenticity (S4). An anti-counterfeiting feature code is generated by means of obtaining the number of and position information of the random diffusion imprints of the code identifier or graphic text identifier, effectively preventing stolen anti-counterfeiting data from being used for fraud; furthermore, it is unnecessary to transfer pictures, greatly improving transmission efficiency and reducing data traffic, and it is possible to conveniently determine authenticity offline.
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Inventors:
JI CHANGPING (CN)
Application Number:
PCT/CN2018/116145
Publication Date:
November 21, 2019
Filing Date:
November 19, 2018
Export Citation:
Assignee:
WINSAFE TECH SHANGHAI CO LTD (CN)
International Classes:
G06K9/00; G06K17/00
Foreign References:
| CN108647980A | 2018-10-12 | |||
| CN106056188A | 2016-10-26 | |||
| CN105023505A | 2015-11-04 | |||
| CN106067277A | 2016-11-02 | |||
| CN105023505A | 2015-11-04 | |||
| US20020122878A1 | 2002-09-05 |
Attorney, Agent or Firm:
SHANGHAI KELV PATENT AGENCY, LLP (CN)
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