Method for reading distorted bar codes
US5929420A · kind A · utility
15Cited by
9References
53Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 22, 1997 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Apr 22, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/14
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Bar code decoding methods and apparatus are disclosed wherein prototype characters are generated using calculated bar code distortion attributes. The vector distance measurements between the scanned bar code characters and the prototype characters are advantageously utilized to provide advanced and improved decoding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.