Chemically dehydrated cold camera
US4192592A · kind A · utility
0Cited by
3References
9Claims
0Family size
Inventor
Key dates
| Filing date | Jun 16, 1978 |
| Grant date | Mar 11, 1980 |
| Priority date | — |
| Expiry date | Jun 16, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/55
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The air-tight film chamber of a cold camera is maintained moisture free by the action of a chemical dehydrator held in packet form within an auxiliary enclosure attached to the front housing section of the camera within which the film is movably mounted for multiple exposures. A rear housing section detachably assembled to the front section carries the refrigerating means for maintaining the film at a low temperature, inhibiting latent image decay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.