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本发明介绍一种探测装置,它采用对热辐射敏感的探测器,用来探测景象目标区中温度高于背景的热目标。探测器视场用一个放置在探测器光程内并可在两个终端之间周期往返运动的反射镜同时对准目标区和一个背景区。根据2153032专利(以下称主要专利),探测器后面接一个计算装置,通过比较两个扫描区的对应信号产生不同的输出值。主要专利介绍一种热象仪,在这一热象仪上,反射镜固定在弹簧片上,并借助与永久磁
The present invention describes a detection device that employs a detector that is sensitive to heat radiation and is used to detect thermal targets in the target area of the scene that are warmer than the background. The detector field of view is aimed at a target area and a background area simultaneously with a mirror that is placed in the path length of the detector and reciprocates cyclically between the two terminals. According to the 2153032 patent (hereinafter referred to as the main patent), the detector is followed by a calculation device which generates different output values by comparing the corresponding signals of the two scanning regions. The main patent describes a thermal imager, in this thermal imager, the mirror is fixed on the spring leaf, and with the permanent magnet