Projection device
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- BEAUTY UP
- Publication Date
- 2003-08-13
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The present invention relates to an image display technology, in particular to a projection device for projecting and displaying an image on a desired display area. Background technique
[0002] At present, the projectors commonly seen on the market can be divided into several types of projectors, such as transparent sheet type, slide projector type, three-gun type, liquid crystal projection panel and single-gun type. The text is projected onto a larger screen or flat board, so that more people can watch the content of the file at the same time. Even a newer generation of projectors can also be connected to notebook computers or desktop computers, so that images, text or tables can be directly projected, so as to avoid problems such as flat paper or unclear text that affect the overall projection Effect.
[0003] Due to the rapid development of electronic technology, the above-mentioned projector can also be used in conjunction with an electronic whi...