Lens assembly with incorporated memory module
US6249311A · kind A · utility
30Cited by
7References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1998 |
| Grant date | Jun 19, 2001 |
| Priority date | — |
| Expiry date | Feb 24, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/20
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An infrared video camera system having a plurality of interchangeable imaging lens units and optical filter units. Identifying information, used to modify the operation of the camera system based on the specific imaging lens unit and optical filter unit attached thereto, is stored in an Electrically Programmable Read Only Memory (EPROM) located in each imaging lens unit and optical filter unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.