High-tone-quality projection apparatus capable of taking full advantage of optical engine space
A technology of optical engine and projection device, which is applied in optics, projection device, data recording, etc. It can solve the problems of large overall volume and inability to combine two working spaces into one, and achieve the effects of reducing volume, improving sound quality, and improving sound quality
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
specific Embodiment 1
[0028] A high-sound quality projection device that makes full use of the optical engine space, including a projector and an audio, the projector includes an illumination system and an imaging system, the illumination system is arranged in cavity A3, and the imaging system is arranged in cavity B10 The lighting system includes an LED light source 5 arranged on the side wall of the cavity A3, a light guide body 6 arranged inside the cavity A3 and connected with the LED light source 5, and the light guide body 6 is arranged at the light exit port There is a Fresnel lens A7, the cavity A3 and the cavity B10 are both closed cavities, and the side wall of the cavity A3 is provided with a heat-insulating glass 4 that transmits light from the Fresnel lens A7. The light guide The air inside and outside the body 6 is of equal pressure. The acoustic speaker 2 is fixed on the side wall of the cavity A3 or the cavity B10, and the rear half of the speaker 2 is located in the cavity; the light...
specific Embodiment 2
[0029] There are 5 ways to arrange the horn 2 and the elongated through hole 8.
[0030] Method 1: The long through hole 8 is connected to the cavity B10 (such as figure 1 (Shown), the horn 2 can be arranged in the cavity A3 or the cavity B10;
[0031] Method 2: The horn 2 is arranged on the side wall of the cavity A3, and neither the cavity A3 nor the cavity B10 is provided with long through holes (such as figure 2 Shown), all sealed;
[0032] Method 3: The horn 2 is arranged on the side wall of the cavity A3, and the cavity A3 is provided with a long through hole 8 (such as image 3 Shown), the cavity B10 is sealed;
[0033] Method 4: The horn 2 is arranged on the side wall of the cavity B10, and neither the cavity A3 nor the cavity B10 is provided with long through holes (such as Figure 4 As shown, all sealed;
[0034] Method 5: The horn 2 is arranged on the side wall of the cavity B10, the cavity A3 is sealed, and the cavity B10 is provided with a long through hole 8 (such as Fig...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com