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    • 49. 发明申请
    • Hand-Held Color Measurement Device
    • 手持式颜色测量装置
    • US20120250022A1
    • 2012-10-04
    • US13078328
    • 2011-04-01
    • Wang Long ZhouAndrew MasiaBeat Frick
    • Wang Long ZhouAndrew MasiaBeat Frick
    • G01J3/46
    • G01J3/506G01J3/0205G01J3/0216G01J3/0224G01J3/0262G01J3/0272G01J3/0289G01J3/513
    • A hand-held color measurement device is provided that includes a housing with an opto-measurement unit. The latter includes an optics array for receiving measurement light and a sensor array which is exposed to the measurement light, converts the measurement light into electrical measurement signals, and processes them to form digital measurement data. The measurement unit (M) consists of an aspherical input lens (L1), an aperture (B) for limiting the incident angular range, a depolarizing diffuser (D), a sensor lens (L2) and at least three sensors (S1, 52, S3) which are sensitized to different spectral ranges using color filters (F1, F2, F3). The aperture (B) lies substantially in the focal plane of the input lens (L1), and the diffuser (D) is arranged in the immediate vicinity of the aperture (B) and in the focal plane of the sensor lens (L2). The filters (F1, F2, F3) and the sensors (S1, S2, S3) are arranged close to the optical axis (A) and exposed to substantially parallel measurement light. The filters (F1, F2, F3) are configured to the spectral characteristics of the tristimulus color values XYZ according to CIE. For ambient light measurements, an additional diffuser (DE) can be placed in front of the input lens.
    • 提供了一种手持式测色装置,其包括具有光测量单元的外壳。 后者包括用于接收测量光的光学阵列和暴露于测量光的传感器阵列,将测量光转换成电测量信号,并处理它们以形成数字测量数据。 测量单元(M)由非球面输入透镜(L1),用于限制入射角度范围的孔径(B),去极化漫射器(D),传感器透镜(L2)和至少三个传感器 ,S3),其使用滤色器(F1,F2,F3)对不同的光谱范围敏感。 孔(B)基本上位于输入透镜(L1)的焦平面中,并且漫射器(D)布置在紧邻孔(B)和传感器透镜(L2)的焦平面内。 过滤器(F1,F2,F3)和传感器(S1,S2,S3)布置成靠近光轴(A)并暴露于基本平行的测量光。 滤光器(F1,F2,F3)根据CIE被配置为三刺激色值XYZ的光谱特性。 对于环境光测量,可以在输入透镜的前面放置另外的扩散器(DE)。