Method and apparatus for optically reading information
US6681994B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 8, 2002 |
| Grant date | Jan 27, 2004 |
| Priority date | — |
| Expiry date | Feb 17, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V10/147
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and appartus for optically reading information is disclosed. The apparatus includes a photosensor, and a reading system capable of generating a decoded signal regardless of the orientation of the optical indicia relative to the photosensor. The method includes steps of positioning a user-supported optical reader containing a photosensor, imaging an information area onto the photosensor without requiring prior angular movement of the reader, and generating a digital representation of content imaged from the information area onto the photosensor for any angular relationship between orthogonal axes of the information area and the pixel axes of the photosensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.