Camera
US10663727B2 · kind B2 · utility
5Cited by
58References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2015 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Feb 23, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0138
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera including an aperture, an image recording device, a reflective polarizer disposed between the aperture and the image recording device, a partial reflector disposed between the reflective polarizer and the image recording device, and a quarter wave retarder disposed between the reflective polarizer and the partial reflector. The reflective polarizer is curved about two orthogonal axes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.