Projection system
The embodiment of the invention discloses a projection system, which comprises a first digital micro-reflector, a second digital micro-reflector, an optical axis, a first lens group, a light changing unit, a first projection image surface and a second projection image surface, the first digital micr...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The embodiment of the invention discloses a projection system, which comprises a first digital micro-reflector, a second digital micro-reflector, an optical axis, a first lens group, a light changing unit, a first projection image surface and a second projection image surface, the first digital micro-reflecting mirror is arranged on the first side of the optical axis, the second digital micro-reflecting mirror is arranged on the second side of the optical axis, and the first digital micro-reflecting mirror and the second digital micro-reflecting mirror are respectively used for emitting light beams; the first lens group is arranged in the light emitting direction of the first digital micro-reflecting mirror and the second digital micro-reflecting mirror; the light changing unit is arranged in the light emitting direction of the first lens group. The projection system has the advantages that the projection direction of the light beam can be effectively changed, use is quite convenient, the application range is |
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