Slide viewer and photographic copier
US4082446A · kind A · utility
16Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1977 |
| Grant date | Apr 4, 1978 |
| Priority date | — |
| Expiry date | Feb 2, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/118
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A slide viewer/copier operable in a viewing mode for projecting an image of a slide transparency film unit onto a viewing screen for viewing and a copy mode for projecting an image of the slide onto self-developing film unit for exposure and for processing the film unit to produce a photographic copy of the slide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.