Screen projection system, method and apparatus
US10848723B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2017 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Dec 6, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H3/22
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present application provide a screen projection system, method and apparatus. The system includes a display screen, wherein the display screen is of a fully-closed or partially-closed housing structure, and an inner wall of the housing structure is configured to provide continuous images with a view angle of 180 degrees to 360 degrees in a horizontal direction. The system further includes: at least two groups of projectors, each group including at least one projector. The at least two groups of projectors are hierarchically arranged in a central axis direction of the display screen, each group of projectors is configured to carry out projection onto a portion of an inner wall of the display screen, and light paths of the at least two groups of projectors are configured to avoid audiences and seats. According to the present application, the technical solutions may be applied to different screens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.