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    • 1. 发明授权
    • Light control device
    • 灯光控制装置
    • US06398370B1
    • 2002-06-04
    • US09713066
    • 2000-11-15
    • Raymond C. ChiuGary E. GaidesPaul E. HumpalKoichi Sano
    • Raymond C. ChiuGary E. GaidesPaul E. HumpalKoichi Sano
    • G02B2700
    • G02B5/003G02F1/133524Y10T428/2457Y10T428/24612
    • A light control device is disclosed that includes a two film construction, each film having a plurality of light absorbing regions. For example, the light absorbing elements can be a series of grooves or column-like indentations in the films that are filled or coated with a light absorbing material. The two films can be adjacently disposed so that their respective light absorbing regions form a plurality of light absorbing elements that extend along the thickness direction of the device. The light absorbing elements allow a viewer to view an image through the light control device within a range of viewing angles while blocking a view of the image outside that range of viewing angles. The two film construction allows for relative ease of manufacture as well as the ability to form light absorbing elements that can provide better viewing uniformity throughout a typical viewing range, a sharp privacy viewing cut off, and reduced ghost image formation.
    • 公开了一种包括两个膜结构的光控制装置,每个膜具有多个光吸收区域。 例如,光吸收元件可以是填充或涂覆有光吸收材料的膜中的一系列凹槽或柱状凹陷。 两个膜可以相邻地设置,使得它们各自的光吸收区域形成沿着装置的厚度方向延伸的多个光吸收元件。 光吸收元件允许观看者在视角范围内通过光控制装置观看图像,同时阻挡在该范围的视角之外的图像的视图。 两个胶片结构允许相对容易的制造以及形成光吸收元件的能力,其可以在典型的观看范围内提供更好的观看均匀性,锐利的隐私观看切断和减少的重影图像形成。
    • 8. 发明授权
    • Method for determining median line
    • 方法确定中线
    • US5427100A
    • 1995-06-27
    • US12919
    • 1993-02-03
    • Noboru HigashiKoichi SanoTetsuo Yokoyama
    • Noboru HigashiKoichi SanoTetsuo Yokoyama
    • A61B5/055G01R33/48G01R33/54G01R33/56
    • G01R33/56
    • Disclosed is a method for automatically determining the median line of a selected region of a human body so as to simplify complex imaging required hithero for a magnetic resonance imaging apparatus, and, in the method, an artifact of the imaged selected region of the human body is utilized to automatically determine the median line. For example, two artifacts 1010 and 1020 intersecting each other appear from the superior sagittal sinus as shown in FIG. 1 when the direction of phase encoding is changed. By subtracting one of these artifacts 1010 and 1020 from the other and calculating the absolute value of the result of subtraction, the point 1030 of intersection of the artifacts determines the location of the superior sagittal sinus which is the source of apperance of the artifacts, so that the median line can be automatically determined on the basis of the result of determination of location of the superior sagittal sinus.
    • 公开了一种用于自动确定人体所选择的区域的中线的方法,以便简化对于磁共振成像设备所需的复合成像所需的触角,并且在该方法中,人体的成像选定区域的假象 用于自动确定中线。 例如,如图1所示,从上矢状窦出现两个彼此相交的假象1010和1020。 1当相位编码的方向改变时。 通过从另一个中减去这些伪影1010和1020中的一个并计算减法结果的绝对值,伪像的交点点1030确定作为人造物的外观源的上矢状窦的位置,因此 可以根据确定上矢状窦位置的结果自动确定中线。