Secure photographic systems
US5801856A · kind A · utility
25Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1996 |
| Grant date | Sep 1, 1998 |
| Priority date | — |
| Expiry date | Jul 24, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/3236
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A secure photographic system includes: a photographic film bearing an image and indicia representing a desired digital image security feature relating to the image; a scanner for scanning the image on the film to generate a digital image; means for detecting the indicia on the film to generate a security feature control signal; and digital image processing means responsive to the security feature control signal and the digital image for applying the desired digital image security feature to the digital image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.