| 摘要 |
PROBLEM TO BE SOLVED: To improve the problem of fogging of infrared windows, etc., due to the respiration effect of a camera housing containing an infrared camera, caused by pressure difference between inside and outside of the housing. SOLUTION: The infrared camera housing A, which has a pressure adjusting means provided for balancing the pressure inside the infrared camera housing with the atmospheric pressure, is provided. This prevents water content from penetrating from the outside, thereby avoiding fogging.
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