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Device for preventing clouding of an observing window
Device for preventing clouding of an observing window
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机译:防止观察窗混浊的装置
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摘要
The present invention discloses a device for preventing clouding of an observing window, utilizing heat rays of a light source. A converter is provided near the observing window for changing light into heat and the light is guided to said converter from light transmitting optic bundles. Then, a part of the light is changed into heat by this converter and the observing window is warmed by the heat in order to prevent the clouding.
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