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    • 2. 发明申请
    • A PORTABLE FOOD AND/OR BEVERAGE ANALYZER AND A METHOD OF ANALYZING A FOOD AND/OR BEVERAGE IN THE FIELD
    • 便携式食品和/或饮料分析仪以及分析现场食品和/或饮料的方法
    • WO2007113727A2
    • 2007-10-11
    • PCT/IB2007051045
    • 2007-03-26
    • KONINKL PHILIPS ELECTRONICS NVKOLESNYCHENKO ALEKSEYUZUNBANJAKAVA NATALLIA
    • KOLESNYCHENKO ALEKSEYUZUNBANJAKAVA NATALLIA
    • G01N21/65G01N21/31G01N21/64G01N2021/3137G01N2201/129
    • The invention concerns a portable food and/or beverage analyzer comprising an optical analysis system for performing a quantitative chemical analysis of a food and/or beverage by analyzing an optical signal comprising a plurality of wavelengths emanating from a sample of the food and/or beverage to be analyzed, the plurality of wavelengths originating from illumination of the sample using a light source, the optical analysis system comprising a spectroscopic device comprising a dispersive element on which the optical signal is incident, for spatially separating the optical signal into its constituent plurality of wavelengths, a multivariate optical element being arranged so that the plurality of wavelengths is incident on the multivariate optical element, the multivariate optical element for transmitting the plurality of wavelengths with a respective weight coefficient depending on a specific spectral pattern of the chemical to be analyzed to achieve a multiplication of the specific spectral pattern, the spectroscopic device comprising a further optical element for performing a summation over a wavelength dimension of the plurality of wavelengths with a respective weight coefficient, the optical analyzer further comprising a single channel detector arranged to receive the summation wherein an output of the detector is directly indicative of a concentration of the chemical in the food and/or beverage.
    • 本发明涉及一种便携式食物和/或饮料分析仪,其包括光学分析系统,用于通过分析包括从食物和/或饮料的样本发出的多个波长的光信号来执行食物和/或饮料的定量化学分析 所述多个波长源自使用光源照射所述样本,所述光学分析系统包括光谱装置,所述光谱装置包括光信号入射在其上的色散元件,用于将所述光信号空间分离成其多个 多元光学元件被布置为使得多个波长入射在多元光学元件上,多元光学元件用于根据待分析的化学物质的特定光谱图案以各自的权重系数传输多个波长至 实现特定sp的乘法 所述分光装置包括用于利用相应的权重系数对所述多个波长的波长维度进行求和的另外的光学元件,所述光学分析仪还包括布置成接收所述求和的单个通道检测器,其中所述检测器 直接指示食物和/或饮料中化学物质的浓度。