Apparatus for reading a color symbol
US7124957B2 · kind B2 · utility
2Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2004 |
| Grant date | Oct 24, 2006 |
| Priority date | — |
| Expiry date | Nov 24, 2024 |
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.