Photometry device
    1.
    发明授权
    Photometry device 有权
    测光装置

    公开(公告)号:US08562132B2

    公开(公告)日:2013-10-22

    申请号:US13180632

    申请日:2011-07-12

    IPC分类号: A61B3/00 A61B3/12

    摘要: In a photometry device, photopic vision luminance Lp is measured by a first luminance measuring unit including a first light filter 4 and a first photoelectric converter 5, and scotopic vision luminance Ls is measured by a second luminance measuring unit including a second light filter 6 and a second photoelectric converter 7. A calculation part 8 calculates mesopic vision luminance Lmes based on a measurement value (photopic vision luminance Lp) of the first luminance measuring unit and a ratio of a measurement value (scotopic vision luminance Ls) of the second luminance measuring unit to the measurement value (photopic vision luminance Lp) of the first luminance measuring unit. Consequently, the photometry device can improve measurement accuracy of the brightness (mesopic vision luminance) in mesopic vision.

    摘要翻译: 在测光装置中,通过包括第一滤光器4和第一光电转换器5的第一亮度测量单元测量明视度亮度Lp,并且通过包括第二滤光器6和第二光滤波器6的第二亮度测量单元测量暗视觉亮度Ls, 第二光电转换器7.计算部分8基于第一亮度测量单元的测量值(明视觉亮度Lp)和第二亮度测量单元的测量值(暗视觉亮度Ls)的比值来计算中间视觉亮度Lmes 单位为第一亮度测量单元的测量值(明视觉亮度Lp)。 因此,测光装置可以提高中视觉的亮度(中间视觉亮度)的测量精度。

    PHOTOMETRY DEVICE
    2.
    发明申请
    PHOTOMETRY DEVICE 有权
    光学装置

    公开(公告)号:US20120075583A1

    公开(公告)日:2012-03-29

    申请号:US13180632

    申请日:2011-07-12

    IPC分类号: A61B3/14

    摘要: In a photometry device, photopic vision luminance Lp is measured by a first luminance measuring unit including a first light filter 4 and a first photoelectric converter 5, and scotopic vision luminance Ls is measured by a second luminance measuring unit including a second light filter 6 and a second photoelectric converter 7. A calculation part 8 calculates mesopic vision luminance Lmes based on a measurement value (photopic vision luminance Lp) of the first luminance measuring unit and a ratio of a measurement value (scotopic vision luminance Ls) of the second luminance measuring unit to the measurement value (photopic vision luminance Lp) of the first luminance measuring unit. Consequently, the photometry device can improve measurement accuracy of the brightness (mesopic vision luminance) in mesopic vision.

    摘要翻译: 在测光装置中,通过包括第一滤光器4和第一光电转换器5的第一亮度测量单元测量明视度亮度Lp,并且通过包括第二滤光器6和第二光滤波器6的第二亮度测量单元测量暗视觉亮度Ls, 第二光电转换器7.计算部分8基于第一亮度测量单元的测量值(明视觉亮度Lp)和第二亮度测量单元的测量值(暗视觉亮度Ls)的比值来计算中间视觉亮度Lmes 单位为第一亮度测量单元的测量值(明视觉亮度Lp)。 因此,测光装置可以提高中视觉的亮度(中间视觉亮度)的测量精度。