Housing for an underwater video camera
US9829771B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 21, 2015 |
| Grant date | Nov 28, 2017 |
| Priority date | — |
| Expiry date | Dec 27, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/51
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides a housing for use in an underwater video camera which does not require a window comprised from a thick parallel flat plate and large scale pressure resistant sealing container and which can take 3D images in deep water or hadal zone. A housing for an underwater video camera formed from a glass hollow sphere for housing an imaging video camera including filling a roughly spherical segmental shape correction lens to a spherical segment enclosed by a cutting plane parallel to a lens surface of an imaging lens of the imaging video camera housed inside the glass hollow sphere, the cutting plane being a flat surface facing the lens surface and an inner surface of a spherical crown of the glass hollow sphere cut out using the cutting plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.