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    Analytical system with means for detecting too small sample volumes
    2.
    发明授权
    Analytical system with means for detecting too small sample volumes 失效
    具有检测太小样品量的手段的分析系统

    公开(公告)号：US6055060A

    公开(公告)日：2000-04-25

    申请号：US895368

    申请日：1997-07-16

    申请人： Franz Bolduan ,  Bernd Eisenbarth ,  Karl Miltner ,  Helmut Leininger ,  Detlef Thym

    发明人： Franz Bolduan ,  Bernd Eisenbarth ,  Karl Miltner ,  Helmut Leininger ,  Detlef Thym

    IPC分类号： G01N31/22 ,  G01N21/27 ,  G01N21/86 ,  G01N33/487 ,  G01N33/52 ,  G01N35/00 ,  G01N35/02 ,  G01N35/10 ,  G01N21/00

    CPC分类号： G01N21/8483 ,  G01N35/00029 ,  G01N35/00594 ,  G01N35/00603 ,  G01N2035/009 ,  G01N35/1016

    摘要： Analytical system for evaluating test elements having means of determining whether a sufficient amount of sample liquid was evenly applied to an application zone comprising in a first embodiment of the invention at least two sources of light which illuminate separate or at least not fully overlapping areas of the application zone or the evaluation zone of the test strip, a control unit with which the light sources, of which there at least two, can be independently activated, at least one sensor which detects light reflected by the evaluation zone or transmitted by the evaluation zone and supplies an output signal proportional to the intensity of light as well as an evaluation unit which receives a first output signal from the sensor and converts it into a first measured value when the first of the light sources is activated, receives a second output signal from the sensor and converts it into a second measured value when the second of the light sources, is activated and compares the measured values and determines whether the deviation of the first value measured from the second value measured is sufficiently small. In a second embodiment of an analytical system according to the invention, at least one light source is used to illuminate the sample application zone or the evaluation zone of a test element and at least two sensors detect light reflected or transmitted by the evaluation zone, the output signal of the sensors being converted into measured values by the evaluation unit which determines whether the deviation of the measured values is sufficiently small.

    摘要翻译： 用于评估测试元件的分析系统，其具有确定足够量的样品液体是否均匀地施加到包括本发明的第一实施方案的施用区域中的装置，所述至少两个光源照射所述第一实施例的分离的或至少不完全重叠的区域 应用区域或测试条的评估区域，控制单元，其中至少两个的光源可独立地被激活;至少一个传感器，其检测由评估区域反射或由评估区域传输的光 并且提供与光强成正比的输出信号以及评估单元，该评估单元从第一传感器接收第一输出信号并将其转换为第一测量值，当第一光源被激活时，从第一测量值接收第二输出信号 传感器并将其转换成第二个测量值，当第二个光源被激活并比较我 并确定从测量的第二值测得的第一值的偏差是否足够小。 在根据本发明的分析系统的第二实施例中，使用至少一个光源来照射测试元件的样品施加区域或评估区域，并且至少两个传感器检测由评估区域反射或透射的光， 由评估单元将传感器的输出信号转换为测量值，该评估单元确定测量值的偏差是否足够小。