Electromagnetically shielded video camera and shielded enclosure for image capture devices
US8643772B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 4, 2011 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Nov 4, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/51
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Camera arrangements that can include electromagnetic protection, such as from EMP/IEMI events, is disclosed. One example camera arrangement includes a camera including a viewfinder having a lens, and an electromagnetically shielded enclosure defining an interior volume containing the camera and configured to include at least one opening aligned with the lens. The camera arrangement includes a waveguide beyond cutoff disposed across the at least one opening, the waveguide beyond cutoff including a plurality of cells sized and oriented to shield the interior volume of the enclosure from electromagnetic signals while exposing an optical path between the lens and objects external to the enclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.