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    • 2. 发明申请
    • COFFEE REFRACTOMETER METHOD AND APPARATUS
    • 咖啡压力计方法和装置
    • WO2010042456A1
    • 2010-04-15
    • PCT/US2009/059593
    • 2009-10-05
    • GEORGE HOWELL COFFEE COMPANY, LLCFEDELE, VincentGAUDET, PhilipRAGUIN, Daniel, Henri
    • FEDELE, VincentGAUDET, PhilipRAGUIN, Daniel, Henri
    • G01N21/85G01N21/41G01N33/14
    • A47J31/002A23F5/26
    • A coffee refractometer includes a prism (1015) that receives a brewed coffee sample (1020), thus forming a prism-sample interface. A processor or microcontroller (1045) controls a light source to provide incident light to the prism-sample interface. The prism-sample interface reflects light (1032) toward a photodetector (1035). A temperature sensor (1050) provides temperature information to the processor. The refractometer includes a memory store (1049) that stores a TDS formula that expresses the TDS of brewed coffee as a function of the index of refraction (ns) of brewed coffee and the temperature of brewed coffee. The processor determines the TDS of the brewed coffee sample by accessing the TDS formula in the memory store and employing the determined index of refraction (ns) of the brewed coffee sample to find the TDS from the TDS formula. The refractometer displays the resultant TDS% on a display (1060) of the refractometer and/or transmits such information to an information handling system(600).
    • 咖啡折射计包括接收冲泡咖啡样品(1020)的棱镜(1015),从而形成棱镜样品界面。 处理器或微控制器(1045)控制光源以向棱镜样本界面提供入射光。 棱镜样品界面将光(1032)朝向光电检测器(1035)反射。 温度传感器(1050)向处理器提供温度信息。 折射计包括存储器存储器(1049),其存储表示酿造咖啡的TDS的TDS公式,作为冲泡咖啡的折射率(ns)和冲煮的咖啡的温度的函数。 处理器通过访问存储器存储器中的TDS公式并使用所确定的冲泡咖啡样本的折射率(ns)来从TDS公式中找到TDS来确定冲煮的咖啡样品的TDS。 折射计在折射计的显示器(1060)上显示所得到的TDS%和/或将这些信息发送到信息处理系统(600)。