Structured light projector and electronic apparatus including the same
US10982954B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2019 |
| Grant date | Apr 20, 2021 |
| Priority date | — |
| Expiry date | Jan 9, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/208
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A structured light projectors includes an illuminator configured to emit illumination light, a pattern mask configured to project structured light by partially transmitting the illumination light, and a lens configured to project the structured light, wherein the pattern mask includes a first lens distortion compensation region including a plurality of opaque first light shielding patterns having a first pattern width, respectively, and a second lens distortion compensation region surrounding the first lens distortion compensation region, the second lens distortion compensation region including a plurality of opaque second light shielding patterns having a second pattern width, respectively, wherein the second pattern width is less than the first pattern width.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.