Rotating plate carrier for changing focal distance of optical code imager
US6726105B2 · kind B2 · utility
8Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2001 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | May 9, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/183
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An imaging optical code reader is adapted for use in producing video displays. A rotating plate carrier is capable of placing several different optical elements into the optical paths of the system including at least one plane parallel plate to change the system focal distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.