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    • 2. 发明授权
    • Device for tilt-free translation of one plate relative to a reference
plate
    • 一个板相对于参考板无倾斜平移的装置
    • US5742113A
    • 1998-04-21
    • US646048
    • 1996-05-07
    • Bryan E. Loucks
    • Bryan E. Loucks
    • H01L41/09H02N2/00H01L41/08
    • H02N2/043
    • A device for the tilt-free movement of one solid body with respect to a reference body is achieved by fixing first and second plates, illustratively with large central apertures, in spaced-apart parallel planes with cylindrical flexure tubes sandwich therebetween. Each of the flexure tubes includes an upstanding piezoelectric or electro-strictive cylinder therewithin. The flexure tubes are aligned radially from the common central axis of the plates and are conveniently at 120 degree angles with respect to one another to achieve symmetry. The piezoelectric cylinders are responsive to like voltage signals to expand or contract in a manner to expand or contract the diameter of the flexure tube to produce the desired tilt-free movement of one plate with respect to the other. The flexure tubes, although small, are very strong due to the cylindrical geometry and yet, are responsive to relatively low signal levels for producing the requisite expansion and contraction.
    • 一个固体相对于基准体的无倾斜运动的装置是通过将第一和第二板(例如具有大的中心孔)固定在间隔开的平行平面中而实现的,其中圆柱形挠曲管夹在其间。 挠性管中的每一个在其中包括直立的压电或电严密的气缸。 弯曲管从板的公共中心轴线径向对准,并且相对于彼此方便地为120度角,以实现对称。 压电圆柱体响应于类似的电压信号以膨胀或收缩的方式使膨胀管的直径膨胀或收缩,从而产生相对于另一个板的期望的无倾斜运动。 弯曲管尽管很小,但是由于圆柱形几何形状而非常强,而且响应于相对低的信号水平以产生必要的膨胀和收缩。
    • 3. 发明授权
    • Optical system for single camera stereo video
    • 单相立体声视频光学系统
    • US5835133A
    • 1998-11-10
    • US590347
    • 1996-01-23
    • Henry P. MoretonBryan E. Loucks
    • Henry P. MoretonBryan E. Loucks
    • G02B27/22G03B35/10H04N13/00H04N13/02
    • G03B35/10G02B27/2264H04N13/0048H04N13/0217H04N13/0055H04N13/021H04N13/0221H04N13/0239H04N13/0285H04N13/0296H04N13/0434H04N13/0438H04N13/0497
    • A mechanism and method for recording stereo video with standard camera system electronics and a uniquely adapted optical assembly is disclosed. The optical assembly comprises left and right optical channels disposed to capture and project separate left and right images onto a single image sensor such that the boundary between the projected images is sharply delineated with no substantial overlap or gap. The viewpoints of the left and right optical channels are separated by a distance, d, such that the captured images are differentiated to produce a stereo image pair. By proper disposition of the left and right optical channels, stereo image pairs exhibiting full stereo overlap without keystone distortion are obtained. One image of the stereo pair is produced for visualization by the left eye and the other image is produced for visualization by the right eye. Alternatively, the images can be interrogated by a computer system for generating three dimensional position data. The image sensor is scanned in a standard fashion such that the left and right images are sampled by the video sampling circuitry of the camera unit at substantially the same time. In one mode, a pair of anamorphic lenses compress the left and right images along the axis of the image sensor scan lines so that each video field represents a stereo pair of images at a substantially unity anamorphic ratio and at an aspect ratio substantially equal to that of the image sensor. In a another mode, a conventional (non-distorting) lens is utilized and each video frame represents a pair of images having an aspect ratio equal to one-half that of the image sensor. A stereo playback mechanism and method is also disclosed.
    • 公开了一种使用标准摄像机系统电子装置记录立体视频和独特适用的光学组件的机构和方法。 光学组件包括左和右光学通道,其被设置成捕获并将分离的左和右图像投影到单个图像传感器上,使得投影图像之间的边界被清楚地描绘而没有实质的重叠或间隙。 左和右光学通道的视点被分开距离d,使得捕获的图像被区分以产生立体图像对。 通过适当地设置左右光通道,可以获得没有梯形失真的完全立体重叠的立体图像对。 立体声对的一个图像被产生用于由左眼进行可视化,并且另一图像被产生用于通过右眼可视化。 或者,可以由用于产生三维位置数据的计算机系统询问图像。 以标准方式扫描图像传感器,使得左右图像基本上同时由相机单元的视频采样电路采样。 在一种模式中,一对变形透镜沿着图像传感器扫描线的轴压缩左图像和右图像,使得每个视频场以基本上一致的变形比表示立体图像,并且基本上与 的图像传感器。 在另一种模式中,使用常规(非失真)透镜,并且每个视频帧表示具有等于图像传感器的一半的宽高比的一对图像。 还公开了立体声播放机构和方法。
    • 5. 发明授权
    • Spatial light modulator with improved aperture ratio
    • 具有改进孔径比的空调光调制器
    • US5083854A
    • 1992-01-28
    • US480270
    • 1990-02-15
    • Ronald F. ZampolinBryan E. Loucks
    • Ronald F. ZampolinBryan E. Loucks
    • G02F1/1335G02F1/1347G02F1/135
    • G02F1/13471G02F1/133526G02F1/135
    • A spatial light modulator is disclosed with a first lens array disposed adjacent to a matrix of light modulators, and in proximity to a liquid crystal light valve containing a photoconductive element. Low intensity light is collimated by a lens element to illuminate an optical aperture which has geometric configuration similar to that of the matrix element. The first lens array focuses light from the illuminated aperture into the pupil of a matrix addressed spatial light modulator element. The second lens array collects light emitting from the light modulator element, and focuses the image of the aperture onto the photoconductive element of the liquid crystal light valve so as to preserve the geometrical and positional configuration of the optical aperture, and magnify the size of the illuminated region on the photoconductor. The design of the optics is such that when adjacent apertures are imaged onto the photoconductor, the proximate boundaries of the illuminated regions are contiguous.
    • 公开了一种空间光调制器,其具有与光调制器的矩阵相邻设置的第一透镜阵列,并且靠近含有光电导元件的液晶光阀。 低强度光被透镜元件准直以照亮具有类似于矩阵元件的几何构造的光学孔。 第一透镜阵列将来自照明光圈的光聚焦到矩阵寻址的空间光调制器元件的光瞳中。 第二透镜阵列收集从光调制元件发出的光,并将孔的图像聚焦在液晶光阀的光电导元件上,以保持光学孔的几何和位置配置,并放大 光电导体上的照明区域。 光学器件的设计使得当相邻孔径被成像到光电导体上时,被照射区域的邻近边界是连续的。