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    • 4. 发明申请
    • Front end for 3D imaging camera
    • 3D成像相机的前端
    • US20070086762A1
    • 2007-04-19
    • US11249950
    • 2005-10-13
    • Michael O'KeefeJennifer Grace
    • Michael O'KeefeJennifer Grace
    • G03B29/00A61B1/04
    • G03B35/10A61B1/00009A61B1/00193A61B1/247A61B5/1079A61B5/4547A61C9/006
    • A three-dimensional imaging system for forming a three dimensional image of an object tooth includes a projection unit capable of generating a projected light pattern and a detector unit capable of detecting an image pattern received from the object tooth. An optical transceiver unit transmits the projected pattern generated by the projection unit to the object tooth and receives the image pattern from the object tooth. The optical transceiver is formed of an integrated body having at least first and second transmitting faces and a reflecting surface that reflects light propagating within the body. In some embodiments, the projected pattern light is polarized in one polarization state and the detected image light is polarized in a second polarization state orthogonal to the first polarization state.
    • 用于形成物体牙齿的三维图像的三维成像系统包括能够产生投射光图案的投影单元和能够检测从物体牙齿接收的图像图案的检测器单元。 光收发器单元将由投影单元生成的投影图案发送到物体齿,并从物体齿接收图像图案。 光收发器由具有至少第一和第二透射面的整体形成,以及反射在体内传播的光的反射面。 在一些实施例中,投影图案光在一个偏振状态下极化,并且检测到的图像光在与第一偏振状态正交的第二偏振状态下极化。