Scanning module for a bar code reader with a focusing lens
US6648227B2 · kind B2 · utility
91Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2002 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Jan 29, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10653
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An optical scanning module for use in a bar code reader, including a frame, including a base and a vertical support; a scanning element mounted to the base and including a mirror disposed in the path of an unfocussed laser beam and mounted for oscillatory motion so as to create a scanning laser beam; and a focusing lens, mounted to the vertical support and in the path of the scanning laser beam, for focusing the beam on a target exterior to the module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.