Ambient light blocking apparatus for a produce recognition system
US6446869B1 · kind B1 · utility
8Cited by
22References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2000 |
| Grant date | Sep 10, 2002 |
| Priority date | — |
| Expiry date | Feb 10, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/68
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An ambient light blocking apparatus which minimizes contamination of produce data collector readings by ambient light. The apparatus preferably includes a tunnel member which may be located around a produce illumination window in the top surface of a scale weigh plate of an item checkout device containing the produce data collector, or around a produce illumination window in the produce data collector itself.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.