Projection apparatus and projection method thereof
US12087189B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2022 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Jul 8, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2354/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A projection apparatus includes a main control circuit, a power supply, a display driving circuit, an audio playback component and a display component. The main control circuit is configured to send a first image signal to the display driving circuit. The display driving circuit is configured to receive the first image signal, and control the display component to display an image corresponding to the first image signal. The main control circuit is further configured to send a second image signal and an audio signal corresponding to the second image signal to the display driving circuit and the audio playback component, respectively. The display driving circuit is configured to receive the second image signal and control the display component to display an image corresponding to the second image signal, and the audio playback component is configured to receive the audio signal and play audio corresponding to the audio signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.