Projector and operating method thereof
US10652511B2 · kind B2 · utility
0Cited by
1References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 21, 2018 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Aug 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3141
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A projector includes a light source configured to provide light, a digital micromirror device configured to form a video by selectively reflecting the light, a projection lens configured to enlarge and project the light reflected by the digital micromirror device onto a screen, and the actuator assembly disposed between the digital micromirror device and the projection lens and configured to allow the light incident on the projection lens from the digital micromirror device to travel straight or be refracted. The actuator assembly includes a first actuator including a first glass, and a second actuator including a second glass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.