CCD-based bar code scanner
US6296187A · kind A · utility
63Cited by
32References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1999 |
| Grant date | Oct 2, 2001 |
| Priority date | — |
| Expiry date | Nov 12, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/14
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A bar code scanning system for a conveyor system includes a CCD camera that writes data to a memory. Data is stored in the memory as a two-dimensional image at periodic time frames based on scanning by the CCD camera. Data is written out of the memory by a controller, to create a virtual X-scan pattern, that can be read and decoded by a decoder that is configured to decode X-scan patterns. Alternatively, the memory can be configured as a first memory region for receiving even pixel data, and a second memory region for receiving odd pixel data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.