Photodetector assembly for a laser scanning apparatus
US4814606A · kind A · utility
3Cited by
17References
61Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1988 |
| Grant date | Mar 21, 1989 |
| Priority date | — |
| Expiry date | Feb 24, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0404
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A laser scanning apparatus is characterized by a curved film-receiving field with a conforming photodetector assembly. In one embodiment, the photodetector assembly comprises a plurality of semiconductor elements. In other embodiments, the photodetector assembly includes a photodetector device mounted in light transmissive engagement with a transparent block for receiving light passed through a radiographic film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.