Angularly-selective illumination
US11092794B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Apr 26, 2017 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Apr 26, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/10152
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An optical apparatus comprises an illumination module (100) comprising a carrier (110), which has at least one light-transmissive region (112), for example. The illumination module (100) comprises a plurality of light sources (111), which are arranged on the carrier (110).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.