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    • 3. 发明授权
    • Projection apparatus
    • 投影仪
    • US07405891B2
    • 2008-07-29
    • US11533694
    • 2006-09-20
    • Wei-Po HsuChia-Lun LiuTai-Li Chang
    • Wei-Po HsuChia-Lun LiuTai-Li Chang
    • G02B7/02G02B9/00
    • G02B7/04H04N9/3141
    • A projection apparatus including an optical engine, a ring, a lens and multiple casings is provided. The optical engine is suitable for producing an image light beam to project an image onto a screen. The ring is fixed on the optical engine. The lens is disposed outside the optical engine and located at a transmission path of the image light beam. The casings are assembled to the ring and connected to each other to form a lens barrel for fixing the lens, and the lens is driven to move relative to the optical engine and the ring by the lens barrel. The projection apparatus has a smaller overall dimension.
    • 提供了包括光学引擎,环,透镜和多个外壳的投影设备。 光学引擎适用于生产图像光束以将图像投影到屏幕上。 环固定在光学引擎上。 透镜设置在光学引擎的外侧并且位于图像光束的传输路径上。 壳体组装到环上并彼此连接以形成用于固定透镜的透镜筒,并且透镜被驱动以通过透镜镜筒相对于光学引擎和环移动。 投影装置具有较小的总体尺寸。
    • 5. 发明申请
    • PROJECTION APPARATUS
    • 投影设备
    • US20070081260A1
    • 2007-04-12
    • US11533694
    • 2006-09-20
    • Wei-Po HsuChia-Lun LiuTai-Li Chang
    • Wei-Po HsuChia-Lun LiuTai-Li Chang
    • G02B7/02
    • G02B7/04H04N9/3141
    • A projection apparatus including an optical engine, a ring, a lens and multiple casings is provided. The optical engine is suitable for producing an image light beam to project an image onto a screen. The ring is fixed on the optical engine. The lens is disposed outside the optical engine and located at a transmission path of the image light beam. The casings are assembled to the ring and connected to each other to form a lens barrel for fixing the lens, and the lens is driven to move relative to the optical engine and the ring by the lens barrel. The projection apparatus has a smaller overall dimension.
    • 提供了包括光学引擎,环,透镜和多个外壳的投影设备。 光学引擎适用于生产图像光束以将图像投影到屏幕上。 环固定在光学引擎上。 透镜设置在光学引擎的外侧并且位于图像光束的传输路径上。 壳体组装到环上并彼此连接以形成用于固定透镜的透镜筒,并且透镜被驱动以通过透镜镜筒相对于光学引擎和环移动。 投影装置具有较小的总体尺寸。