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Two-dimensional code Security Label printing two-dimensional code security is how to apply?
Two-dimensional code security label is now a popular trend, but how to use two-dimensional code security? Crystal source security company gives the following answer for reference! Two-dimensional code, also known as two-dimensional bar code, exposed two-dimensional code may only be involved in the activities of the product can not be used as security check, because the information exposed to counterfeiters.Dimensional bar code was first invented in Japan, it is a certain geometry according to certain laws in the plane (two-dimensional direction) distribution of black and white graphics data symbolic information, in the code on the clever use of the composition of the computer inside Logical basis of the "0", "1" bit stream concept, the use of a number of binary corresponding to the geometric shape to represent the text value information, through the image input device or photoelectric scanning device automatically read to achieve automatic information processing.It has some common bar code technology: each code has its specific character set; each character occupies a certain width; has a certain check function and so on. But also has a different line of information automatically identify the function, and deal with changes in graphics and other characteristics.
Two-dimensional code security application of the scene is very broad, a variety of applications have a unique scene and use, personalized features obvious. Security is mainly used for:
Green food production source for the food distribution bar code, and with the quality certification body for each food entry details, certification status. Consumers to buy food, just use the phone scan code or send text messages, you can always anytime, anywhere on the product certification and other information to query, and timely report false, error message.
(2) advertising media
Business will be printed on the URL of the two-dimensional code printed in magazines, newspapers, promotional materials, outdoor advertising, users through their own mobile phone installed in the two-dimensional code read client scan, you can quickly visit the business address, strengthen the business and potential The user's interaction enriches the information contained in the ad.
The two-dimensional code printed on the notes, documents and high-value products, supplemented by reading the client and the background of the code system, you can form information security applications. In such applications, the client recognizes the two-dimensional code to obtain the pre-generated notes or product information in the verification system. By comparing these information with the kind, you can verify the authenticity of the kind.
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