Deep sea underwater camera
US4184758A · kind A · utility
7Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 22, 1977 |
| Grant date | Jan 22, 1980 |
| Priority date | — |
| Expiry date | Sep 22, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An underwater camera for deep sea use having a cylindrical pressure-tight housing including a thickened cylindrical bead arranged eccentrically of the housing to define an area on one side of the housing which is thicker than the opposite side of the housing, and a window in the thicker area for exposing the film in the camera.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.