Device using projector for display
US11015830B2 · kind B2 · utility
0Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 19, 2018 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Dec 28, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/40
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A controller configured to provision on a surface of an environment includes a projector configured to project light for a user interface through an opening in the surface, wherein the projector is located on a first side of the surface. The controller includes a waveguide located within the opening of the surface, wherein the waveguide is configured to transmit the light from the projector through the opening in the surface. The controller further includes a direction element located on a second side of the surface, wherein the direction element is configured to direct the light from the projector to a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.