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Monitor or illumination of room to be kept closed with inner light detector and external display, both coupled to ends of optical fibre or optical fibre cable
Monitor or illumination of room to be kept closed with inner light detector and external display, both coupled to ends of optical fibre or optical fibre cable
The illumination monitor of room to be kept closed comprises light detector (2), fitted inside room, and display (4) located outside room, which are both coupled to ends of optical fibre (5) preferably optical fibre cable (6).Typically light detector and/or display contain at least one lens (8,9) for adapting light beam. Display may contain several light points, to each allocated at least one optical cable, with light points of different colors.
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