Apparatus for producing a photographic picture
US6292252A · kind A · utility
1Cited by
12References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 8, 1999 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Sep 8, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0414
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to an apparatus for producing a photographic picture on a copy material, whereby an exposure arrangement with a projection optics is provided for the production of the photographic picture which includes a mirror matrix with individually movable mirrors, whereby the exposure arrangement includes a wide-band light source, for example a halogen light source, whereby a filter arrangement is positioned in the light beam between the light source and the mirror matrix in order to filter out or let pass specific spectral regions or specific amounts of light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.