Underwater camera having viewports bearing on viewfinder tunnel of frame
US6574429B1 · kind B1 · utility
2Cited by
23References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2001 |
| Grant date | Jun 3, 2003 |
| Priority date | — |
| Expiry date | Dec 21, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2219/045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An underwater camera has a frame assembly, which has a frame and front and rear covers mounted on the frame. The frame has a viewfinder tunnel. A pressure housing has an internal cavity holding the frame assembly. The pressure housing has opposed first and second viewports. The viewports each bear directly on the viewfinder tunnel and are disposed in non-load-bearing relation to said covers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.