Optical scanning device
US5999301A · kind A · utility
4Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1997 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Jul 16, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10613
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A laser bar code scanner employing a retroreflector in combination with a rotating polygon reflector to increase scan width and reduce curvature in the scanning beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.