Information code, information code producing method, information code reader, and system which uses information code
US10062022B2 · kind B2 · utility
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12References
19Claims
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Key dates
| Filing date | Dec 18, 2013 |
| Grant date | Aug 28, 2018 |
| Priority date | — |
| Expiry date | Jul 14, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K2019/06262
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A two-dimensional information code is provided. Inside the information code, specification Patten regions, a recording region, and an information addition region are arranged. In the specification pattern region, predetermined-shape specification patterns are arranged. Data expressed by a plurality of types of cells are recorded in the data recording region. Additional information, which is different from the data recorded in the data recording region, can be recorded in the information addition region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.