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    • 7. 发明授权
    • Apparatus and method for combining multiple electromagnetic beams into a composite beam
    • 将多个电磁波束组合成复合梁的装置和方法
    • US07167315B2
    • 2007-01-23
    • US10828876
    • 2004-04-20
    • Mathew D. WatsonMark Freeman
    • Mathew D. WatsonMark Freeman
    • G02B27/10
    • H04N9/3164H04N9/3105H04N9/3129H04N9/3141
    • A beam combiner includes a first beam-input face, a beam-output face, and first and second reflectors. The first beam-input face receives first and second beams of electromagnetic energy respectively having a first and second wavelengths. The first reflector reflects the first received beam toward the beam-output face, and the second reflector passes the first beam from the first reflector and reflects the received second beam toward the beam-output face. In one alternative, the first beam-input face also receives a third beam of electromagnetic energy having a third wavelength, the beam combiner includes a third reflector that reflects the received third beam toward the beam-output face, and the first and second reflectors pass the third beam from the third reflector. In another alternative, the beam combiner includes a second beam-input face that receives a third beam directed toward the beam-output face, and the first and second reflectors pass the third beam.
    • 光束组合器包括第一光束输入面,光束输出面以及第一和第二反射器。 第一光束输入面接收分别具有第一和第二波长的第一和第二电磁波束。 第一反射器将第一接收光束反射到光束输出面,并且第二反射器从第一反射器通过第一光束并将接收的第二光束反射到光束输出面。 在一个替代方案中,第一光束输入面还接收具有第三波长的第三光束电磁能,所述光束组合器包括将接收到的第三光束反射到光束输出面的第三反射器,并且第一和第二反射器通过 来自第三反射器的第三光束。 在另一替代方案中,光束组合器包括第二光束输入面,其接收指向光束输出面的第三光束,并且第一和第二反射器通过第三光束。
    • 10. 发明授权
    • Apparatus and method for bi-directionally sweeping an image beam in the vertical dimension and related apparati and methods
    • 在垂直方向双向扫描图像束的装置和方法及相关设备和方法
    • US07580007B2
    • 2009-08-25
    • US10441916
    • 2003-05-19
    • Margaret BrownMark FreemanJohn R. LewisJim BoveeRandy Sprague
    • Margaret BrownMark FreemanJohn R. LewisJim BoveeRandy Sprague
    • G09G1/08
    • G02B26/0816G09G3/02H04N3/08
    • A scan assembly of an image generator sweeps an image beam in a first dimension at a first rate and bi-directionally in a second dimension at a slower rate. Sweeping the beam bi-directionally in the vertical dimension (generally the dimension of the lower sweep rate) can reduce the scanning power by eliminating the flyback period, and, where the scan assembly includes a mechanical reflector, can reduce the error in the beam position without a feedback loop by reducing the number of harmonics in the vertical sweep function. Furthermore, because the image beam is “on” longer due to the elimination of the flyback period, the scanned image is often brighter for a given beam intensity. The scan assembly may also sweep the image beam non-linearly in the vertical dimension, and this sweep may be bi-directional or uni-directional. Sweeping the beam non-linearly can also reduce the error in the beam position by reducing the number of harmonics in the vertical sweep function.
    • 图像发生器的扫描组件以第一速率在第一维度中扫描图像束,并且以较慢的速率在第二维度中双向地扫描。 在垂直方向双向扫描光束(通常为较低扫描速率的尺寸)可以通过消除反激周期来降低扫描功率,并且在扫描组件包括机械反射器的情况下,可以减少光束位置的误差 没有通过减少垂直扫描功能中的谐波数量的反馈回路。 此外,由于由于消除反激周期而使图像束“更长”,因此对于给定的光束强度,扫描图像通常更亮。 扫描组件也可以在垂直维度上非线性扫描图像束,并且该扫描可以是双向的或单向的。 非线性扫描光束也可以通过减少垂直扫描功能中的谐波次数来减小光束位置的误差。