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    • 4. 发明授权
    • Two-dimensional colorimeter
    • 二维色度计
    • US5432609A
    • 1995-07-11
    • US177843
    • 1994-01-05
    • Masami SugiyamaTakao Sakai
    • Masami SugiyamaTakao Sakai
    • G01J3/36G01J3/51
    • G01J3/51G01J3/36G01J3/524G01J3/465G01J3/513
    • A two-dimensional colorimeter focuses light through a beam splitter onto a rotary filter so that a first light receiving element can receive light from multiple points on a sample. A rotating filter can provide multiple measurements based upon different wavelengths of light. A portion of the light from the beam splitter also contacts a spectral sensor which separates the light from a particular point into primary wavelength elements which are converted into electrical signals. Based upon these primary wavelength elements, the first signals from the light receiving element are corrected. As a result, the measurement of chromaticity of multiple points on a sample can be performed accurately using a device of simple construction.
    • 二维色度计将光束通过分束器聚焦到旋转滤光器上,使得第一光接收元件可以接收来自样品上多个点的光。 旋转滤波器可以基于不同波长的光提供多个测量。 来自分束器的光的一部分还接触光谱传感器,光谱传感器将光从特定点分离成主要波长元件,其被转换成电信号。 基于这些主波长元件,来自光接收元件的第一信号被校正。 结果,可以使用简单结构的装置来精确地进行样品上多个点的色度测量。
    • 6. 发明授权
    • Color balance indicating device
    • 色平衡指示装置
    • US4205918A
    • 1980-06-03
    • US881177
    • 1978-02-27
    • Tohru KisanukiMasami SugiyamaTakeshi Kosaka
    • Tohru KisanukiMasami SugiyamaTakeshi Kosaka
    • G01J3/51G03B27/72G03B27/73G01J3/50
    • G01J3/51G03B27/72
    • A hand-carriable, compact color meter for indicating proper amount of adjustment of color compensation filters interposed in the light path of a color printer for the compensation of color balance of the light illuminating a film or the slide set on the printer. The color meter includes an indicating lamp, a photocell to be exposed to the light passing through the film or slide, a plurality of optical color filters selectively disposed in front of the photocell to provide the photocell with spectral sensitivities corresponding to the spectral sensitivity of the printing paper, a plurality of fixed or variable resistors selectable in correspondence to the selection of the color filter, and an electric circuit for actuating the indicating lamp in accordance with the relationship between the output of the light measuring circuit and a reference voltage commensurate with the selected one of the resistors. In a preferred embodiment, the color meter further includes a combination of a variable resistor and a filter for determination of exposure time.
    • 一种手提式紧凑型色表,用于指示插入彩色打印机光路中的适当量的色彩补偿滤光片的调整,以补偿照亮胶片或设置在打印机上的幻灯片的光的色彩平衡。 色度计包括指示灯,要暴露于穿过膜或载玻片的光的光电池,选择性地设置在光电管前面的多个光学滤色器,以向光电池提供与光电池的光谱灵敏度相对应的光谱灵敏度 打印纸,对应于滤色器的选择可选择的多个固定或可变电阻器,以及用于根据光测量电路的输出与与该测量电路相当的参考电压之间的关系致动指示灯的电路 选择一个电阻。 在优选实施例中,色度计还包括可变电阻器和用于确定曝光时间的滤光器的组合。