Beam shaping system and diverging laser beam for scanning optical code
US6651888B1 · kind B1 · utility
35Cited by
30References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2000 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | Feb 22, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10801
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An improved optical system for scanning optical codes is disclosed. A laser beam produced thereby is a diverging, nearly diffraction free beam and may be used to produce an elongated scanning spot. A laser assembly which may be used to produce such beams and spots, combines various optical functions in structures which are relatively insensitive to temperature change.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.