IMPROVEMENTS IN AND RELATING TO REMOTE SENSING
A system is described for remotely sensing light emanating from within a monitored environment. The system comprises retro-reflective optical elements bearing a photo-luminescent material upon a surface thereof. These elements are to be positioned within the environment to be monitored. A light sour...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A system is described for remotely sensing light emanating from within a monitored environment. The system comprises retro-reflective optical elements bearing a photo-luminescent material upon a surface thereof. These elements are to be positioned within the environment to be monitored. A light source is arranged to direct a beam of light at the optical element(s), and a detector is arranged to receive from the optical element(s) photo-luminescent light generated by the photo-luminescent material in response to the beam of light. The detector detects a property of the monitored environment according to the photo-luminescent response. The photo-luminescent material is arranged such that its photo-luminescent response is variable according to changes in a property of the photo-luminescent material inducible by changes in the monitored property of the monitored environment. |
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