Photographic scanner with focus control
US6532058B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2001 |
| Grant date | Mar 11, 2003 |
| Priority date | — |
| Expiry date | Jun 19, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/195
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a photographic capturing device for the capturing of photographic image information from photographic media with a light source, with a stage for the photographic medium to preset a reference position for the projection of the photographic medium by way of a projection optics onto a detection element which detects the light originating from the light source and modulated by the photographic medium according to the image information, whereby a sample carrier with a sample is provided for the control of the focus of the projected image, and a positioning mechanism which removably places the sample carrier at the reference position for projecting the sample onto the detection element by way of the projection optics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.