Apparatus for reading a color symbol
US7401738B2 · kind B2 · utility
2Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2006 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | Oct 23, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/12
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides an apparatus for reading a color symbol, which comprises a matrix of color filters arranged in front of a detector. Light received from the filters of some colors is used to locate the color symbol, while light received from all the filters is used to read and decode the located symbol. Preferably, the filters used for locating the symbol are of the colors to which the detector is most sensitive. Preferably, the filters for locating the symbol are dominant in number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.