Film unit light shielding adapter for photographic apparatus
US4032937A · kind A · utility
1Cited by
11References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 10, 1975 |
| Grant date | Jun 28, 1977 |
| Priority date | — |
| Expiry date | Sep 10, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/52
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A thin dark chamber or light shielding adapter that is configured to be slidably inserted through a narrow film exit slot in a self-developing camera for receiving and light shielding self-developing film units of the type requiring a short imbibition period in a light-free environment subsequent to the distribution of a processing composition between predetermined layers of the film unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.