SMOKE SENSER
A lihgt selector for a smoke sensor, having a simple housing structure, consists of a light source(2) radiating ultraviolet or infra-red rays, a photosensor(3) covered with the filter(15) as a light selector, a housing conver built to pass the smoke easily, and an inner light cover(12) to prevent pe...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | A lihgt selector for a smoke sensor, having a simple housing structure, consists of a light source(2) radiating ultraviolet or infra-red rays, a photosensor(3) covered with the filter(15) as a light selector, a housing conver built to pass the smoke easily, and an inner light cover(12) to prevent peripheral light from intruding inside. This reduces misoperation due to strong sun-light or slow flowing smoke because of complicated housing structure. |
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