Optical code reader for producing video displays
US7946484B2 · kind B2 · utility
3Cited by
18References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2004 |
| Grant date | May 24, 2011 |
| Priority date | — |
| Expiry date | Mar 3, 2030 |
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 and for use in motion detection surveillance using video compression and narrow band width communication links. An optical system including a plane parallel plate may be employed to change the system focal distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.