Method and apparatus providing improved visual capabilities of optical instruments
US7929206B2 · kind B2 · utility
0Cited by
2References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 2009 |
| Grant date | Apr 19, 2011 |
| Priority date | — |
| Expiry date | Apr 23, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0025
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color-filtering device for enhancing color from a binocular view includes a first variable color filter element a second variable color filter element: and a mechanical assembly for communication of axial rotation to the first and second filter elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.