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    • 52. 发明授权
    • Measuring endoscope apparatus
    • 测量内窥镜装置
    • US07570363B2
    • 2009-08-04
    • US11670032
    • 2007-02-01
    • Susumu Takahashi
    • Susumu Takahashi
    • G01B9/02
    • G01B11/303G01B11/2441
    • A measuring endoscope apparatus is disclosed having a light source unit that emits low coherence light, a probe that illuminates the observation object with the low coherence light and that collects light reflected by the observation object, and a single optical fiber that optically connects the light source unit and the probe. The light source unit includes a first low coherence light splitting part and an optical path length adjustment part. The probe includes a second low coherence light splitting part, a low coherence light multiplexing part, a lens that forms images using light returned from the observation object and an image detector that captures interference patterns and/or images using light reflected by the observation object. By using the low coherence light, surface conditions, such as roughness, can be accurately measured.
    • 公开了一种测量内窥镜装置,其具有发射低相干光的光源单元,以低相干光照亮观察对象并且收集由观察对象反射的光的探针,以及将光源光学连接的单根光纤 单元和探头。 光源单元包括第一低相干光分离部分和光程长度调节部分。 探头包括第二低相干光分离部分,低相干光复用部分,使用从观察对象返回的光形成图像的透镜和使用由观察对象反射的光捕获干涉图案和/或图像的图像检测器。 通过使用低相干光,可以精确地测量诸如粗糙度的表面条件。
    • 54. 发明授权
    • Lens array sheet, transparent screen, and rear-projection display
    • 透镜阵列片,透明屏和背投显示
    • US07483214B2
    • 2009-01-27
    • US11362006
    • 2006-02-27
    • Tsutomu YoshidaKazuyoshi EbinaTakashi AbeSusumu Takahashi
    • Tsutomu YoshidaKazuyoshi EbinaTakashi AbeSusumu Takahashi
    • G02B27/10
    • G03B21/625G02B3/0031G02B3/0037G02B3/0056
    • A lens array sheet, a transparent screen using the same, and a rear-projection display device are provided in which it is possible to control a perspective angle for the image in both a horizontal direction and a vertical direction without causing a problem in that a gain of a light is reduced by an optical absorption and an S/N ratio is reduced by an increased white dispersion. First lens and second lens arrays are formed by disposing a plurality of half-cylindrical lenses in parallel on a common plane such that longitudinal directions of the cylindrical lenses should be orthogonal to each other. A unified lens array layer and a shading layer in which a section through which a light does not transmit is formed on a focal plane of the lens array layer form a lens array sheet. Furthermore, fresnel lenses are combined so as to form a transparent screen.
    • 提供透镜阵列片,使用其的透明屏幕和背投显示装置,其中可以在水平方向和垂直方向上控制图像的透视角度,而不会导致问题,即 光的增益被光学吸收减小,并且通过增加的白色分散降低S / N比。 第一透镜和第二透镜阵列通过在公共平面上平行布置多个半柱面透镜而形成,使得柱面透镜的纵向方向应该彼此正交。 在透镜阵列层的焦平面上形成有不透光的部分的统一的透镜阵列层和遮光层形成透镜阵列片。 此外,将菲涅尔透镜组合以形成透明屏幕。
    • 57. 发明申请
    • Inner surface measuring apparatus
    • 内表面测量仪
    • US20070024858A1
    • 2007-02-01
    • US11493712
    • 2006-07-24
    • Susumu Takahashi
    • Susumu Takahashi
    • G01B11/02
    • G01B11/12G01B11/2441
    • The inner surface shape of a hole, in particular, the inner surface shape of a hole the entry of which is narrow and which becomes wider further in from the entry, can be measured at a high level of accuracy. An inner surface measuring apparatus is provided which comprises: a low coherent light source that outputs low coherent light in to two; a low coherent light dividing section that divides one portion of the low coherent light; a light path length adjusting section that adjusts a light path length of one of the low coherent lights divided by the low coherent light dividing section; a straight rod shaped probe that irradiates the other of the low coherent lights divided by the low coherent light dividing section from a front end section onto a measurement object arranged in a direction intersecting with the lengthwise direction of the probe; a low coherent light multiplexing section that multiplexes a low coherent light that returns having been reflected on the measurement object with the one low coherent light whose light path length has been adjusted by the light path length adjusting section; a light detector that detects the multiplexed low coherent light; and a rotation mechanism that relatively rotates the probe and the measurement object about an axis along the lengthwise direction of the probe.
    • 孔的内表面形状,特别是孔的内表面形状,其入口窄,并且从入口进一步变宽,可以高精度地测量。 提供一种内表面测量装置,其包括:低相干光源,其将低相干光输出到两个; 低相干光分割部分,其将一部分低相干光分开; 光路长度调整部,调整由所述低相干光分割部分分割的所述低相干光之一的光路长度; 直杆形探针,其将从前端部分分离的低相干光分离部分的低相干光的另一个照射到沿与探针的长度方向相交的方向布置的测量对象; 低相干光复用部分,其将已经在测量对象上反射的返回的低相干光与由光路长度调节部分调整光路长度的一个低相干光复用; 检测多路复用低相干光的光检测器; 以及旋转机构,其使探头和测量对象沿着探针的长度方向的轴线相对旋转。