Systems and methods for optically filtering for color specific enhancement
US11619833B2 · kind B2 · utility
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1References
20Claims
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Key dates
| Filing date | Aug 3, 2020 |
| Grant date | Apr 4, 2023 |
| Priority date | — |
| Expiry date | Oct 14, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/108
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical filtering apparatus fashioned as a pair of glasses; that enhance the contrast and visibility of objects with specified colors. A set of distinct attenuations are combined to produce an optical filter that promotes a specified color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.