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    • 1. 发明授权
    • Colorimetric absorbance measurement apparatus
    • 比色吸光度测定装置
    • US07910061B2
    • 2011-03-22
    • US10247543
    • 2002-09-20
    • Yasuhiro HiguchiYoshinori Fujiwara
    • Yasuhiro HiguchiYoshinori Fujiwara
    • G01N21/00G01N35/02G01N31/00G01N21/75
    • G01N35/025G01N21/253Y10T436/113332
    • In a colorimetric absorbance measurement apparatus, a filter assembly on which a plurality of filters are arranged in a circular pattern is continuously rotated by a motor at a regular speed based on a motor drive signal fed from a motor drive circuit, each of the filters being characterized by passing only such light components that have wavelengths falling within a range centering on a specific wavelength. The motor drive signal produced by the motor drive circuit is also fed into a timing generator circuit. The timing generator circuit supplies an A/D conversion start signal to an A/D converter in synchronism with the timing at which a selected one of the multiple filters is positioned on the optical axis of a measuring light beam.
    • 在比色吸光度测量装置中,基于从电动机驱动电路馈送的电动机驱动信号,通过马达以马达恒定速度连续地旋转多个滤波器以圆形排列的滤波器组件,每个滤波器为 其特征在于仅通过波长落在特定波长的范围内的光分量。 由马达驱动电路产生的马达驱动信号也被馈送到定时发生器电路。 定时发生器电路与多个滤波器中所选择的一个位于测量光束的光轴上的定时同步地将A / D转换开始信号提供给A / D转换器。