Apparatus for testing photographic emulsions
US5194887A · kind A · utility
6Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1992 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Jan 22, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C5/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An apparatus for determining the sensitometric characteristics of a photographic emulsion is disclosed. The emulsion to be tested may be in its fluid state or it may be a solid or semi-solid disposed on a substrate. The apparatus can mix, spread, set, dry and incubate a photographic emulsion, then expose, develop and evaluate the emulsion in an integrated, single operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.