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    • 5. 发明授权
    • Pyrometer electromagnetic radiation measuring device
    • 高温计电磁辐射测量装置
    • US5640015A
    • 1997-06-17
    • US546988
    • 1995-10-23
    • Ulrich KienitzThomas HeinkeUwe KlonowskiPeter PreussHolger SandringVolker Schmidt
    • Ulrich KienitzThomas HeinkeUwe KlonowskiPeter PreussHolger SandringVolker Schmidt
    • G01J5/00G01J5/10G01J5/52G01J5/06
    • G01J5/52
    • A pyrometer for measuring the electromagnetic radiation emitted by an object comprises a first detector to which the radiation is delivered through an optical system as well as a second detector to which the radiation emanating from a reference element is delivered through the same optical system. The temperature of the reference element is monitored and a rotary optical modulator periodically enables and disables the delivery of radiation to the detectors. The output signals from the two detectors are processed to determine the difference therebetween. The sensed temperature of the reference element is taken into account as a part of determining the difference between the two detector output signals. In this way it is possible for the characteristic radiation of the optical system largely to be suppressed. The optical modulator comprises a semi-circular disk having a polyethylene terephthalate substrate coated on each side with metal. The disk is rotated through 180.degree. increments by a stepping motor such that, in one angular position, the disk permits reception by the two detectors of radiation from the optical system and, in the other angular position, the disk prevents reception by the detectors of radiation from the optical system.
    • 用于测量由物体发射的电磁辐射的高温计包括第一检测器,辐射通过光学系统传送到该第一检测器,以及第二检测器,从参考元件发出的辐射通过该第二检测器传送通过相同的光学系统。 监测参考元件的温度,并且旋转光学调制器周期性地启用和禁止向检测器传送辐射。 来自两个检测器的输出信号被处理以确定它们之间的差异。 作为确定两个检测器输出信号之间的差异的一部分,考虑了参考元件的感测温度。 以这种方式,可以抑制光学系统的特征辐射。 该光学调制器包括一个半圆形盘,其中每侧用金属涂覆聚对苯二甲酸乙二酯基材。 磁盘通过步进电机旋转180度,使得在一个角度位置,磁盘允许两个检测器接收来自光学系统的辐射,并且在另一角度位置,磁盘防止检测器 来自光学系统的辐射。
    • 10. 发明授权
    • Thermal imaging camera with compass calibration
    • 带有罗盘校准的热像仪
    • US09228838B2
    • 2016-01-05
    • US13331840
    • 2011-12-20
    • Thomas Heinke
    • Thomas Heinke
    • H04N5/33H04N13/02G01C17/38
    • G01C17/38H04N5/33
    • A thermal imaging camera may include an electronic compass that can be calibrated after assembly of the thermal imaging camera. The electronic compass may include a magnetic sensor configured to sense three orthogonal components of a magnetic field. In some examples, the camera includes a processor configured to receive a plurality of measurements from the magnetic sensor as a physical orientation of the magnetic sensor is changed in a three-dimensional space. The processor may generate a plurality of data points from the plurality of measurements and control a display so as to display a simulated three-dimensional plot of the data points. The processor may control the display so the display updates in substantially real-time as new data points are generated by changing the physical orientation of the magnetic sensor.
    • 热成像相机可以包括可以在组装热成像相机之后校准的电子罗盘。 电子罗盘可以包括被配置为感测磁场的三个正交分量的磁传感器。 在一些示例中,照相机包括处理器,其配置为当磁传感器的物理取向在三维空间中改变时从磁传感器接收多个测量值。 处理器可以从多个测量中产生多个数据点并控制显示器,以显示数据点的模拟三维图。 处理器可以控制显示器,使得显示器基本上实时地更新,因为通过改变磁性传感器的物理取向来产生新的数据点。