Thin film acousto-optic structured light generator
US10412371B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 2017 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | Jan 5, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/10028
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A depth camera assembly (DCA) includes a structured light generator, an imaging device and a controller. The structured light generator illuminates a local area with one or more structured light patterns in accordance with emission instructions from the controller. The structured light generator comprises an illumination source, thin film acousto-optic device(s), and a projection assembly. The thin film acousto-optic device(s) generate a structured light pattern from optical beam(s) emitted from the illumination source. The projection assembly projects the structured light pattern(s) into the local area. The imaging device captures portions of the one or more structured light patterns scattered or reflected from the local area. The controller determines depth information for the local area based at least in part on the captured portions of the one or more scattered or reflected structured light patterns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.