Apparatus and method for reading an optical code
US6631846B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2001 |
| Grant date | Oct 14, 2003 |
| Priority date | — |
| Expiry date | Aug 7, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10732
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to an apparatus and a method for reading an optical code. The apparatus having a casing with a reading window; the casing having an illuminator acting through the reading window on an optical code to be read, a detector responsive to light scattered from the illuminated optical code into the casing through the reading window, and an objective lens interposed between the reading window and the detector, in a position to pick up the light scattered from the illuminated optical code and project this light onto the detector. The detector having a plurality of light-sensitive elements effective to convert the light to electric signals representing the light image. The apparatus is characterized in that the illuminator has a first array of light sources active in a first illumination configuration, and at least a second array of light sources active in at least a second illumination configuration different from the first one.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.