Method and apparatus for testing an infrared sensor
    1.
    发明公开
    Method and apparatus for testing an infrared sensor 有权
    基督教徒Verfahren und Vorrichtung zum Testen eines Infrarotsensors

    公开(公告)号:EP1672342A1

    公开(公告)日:2006-06-21

    申请号:EP05077730.9

    申请日:2005-11-28

    CPC classification number: G01J5/12

    Abstract: A method and apparatus (70) for evaluating the functionality and sensitivity of an infrared sensor (10) to infrared radiation. The method and apparatus (70) are adapted for testing an infrared sensor (10) having a diaphragm (16) containing a heating element (58) and a transducer (12) that generates an output responsive to temperature. The method entails placing the infrared sensor (10) in a controlled environment (72), and then exposing the diaphragm (16) of the sensor (10) to different levels of thermal radiation so as to obtain outputs of the transducer (12) at different output levels. In the absence of exposure of the diaphragm (16) to thermal radiation, flowing current through the heating element (58) at different input levels so that the output of the transducer (12) returns to the different output levels obtained using thermal radiation, the input difference between the input levels can be computed and used to assess the functionality and the sensitivity of the sensor (10).

    Abstract translation: 一种用于评估红外传感器(10)对红外辐射的功能和灵敏度的方法和装置(70)。 所述方法和装置(70)适于测试具有包含加热元件(58)的隔膜(16)的红外传感器(10)和产生响应于温度的输出的换能器(12)。 该方法需要将红外传感器(10)放置在受控环境(72)中,然后将传感器(10)的隔膜(16)暴露于不同程度的热辐射,以便获得传感器(12)的输出 不同的输出水平。 在没有将隔膜(16)暴露于热辐射的情况下,流过不同输入电平的加热元件(58)的电流,使得换能器(12)的输出返回到使用热辐射获得的不同的输出电平, 可以计算输入电平之间的输入差异,并用于评估传感器(10)的功能和灵敏度。

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