Composition of encrypted two dimensional bar codes and application method therefor
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ηεδΈ
- Publication Date
- 2006-12-13
- Estimated Expiration
- Not applicable Β· inactive patent
Smart Images
Figure 1 Figure 2 Figure 3
Abstract
Description
technical field
[0001] The invention belongs to the field of barcode application technology, in particular to the composition and application method of an encrypted two-dimensional barcode. The method of the invention is applicable to the fields of e-commerce, e-government, information security, identity authentication, electronic ticketing, Internet and the like. Background technique
[0002] Since the appearance of one-dimensional bar code, it has been widely concerned by people, and its development speed is very rapid. Its use has greatly improved the speed of data collection and information processing, improved work efficiency, and made great contributions to the scientific and modernization of management.
[0003] Due to the limitation of information capacity, one-dimensional barcode is only an identification of "items", not a description of "items". Therefore, the use of one-dimensional barcode has to rely on the existence of the database. In places where there is no...