Methods and apparatuses for obtaining information regarding...

G - Physics – 01 – D

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G01D 5/26 (2006.01) G01D 5/32 (2006.01) G01D 5/353 (2006.01) G01D 18/00 (2006.01) G01K 11/32 (2006.01) G01L 1/24 (2006.01)

Patent

CA 2610375

Methods and apparatuses for obtaining information, such as location and/or identification information, regarding sensors in optical paths such as optical fibers. One embodiment provides a method for identifying a location of a tag in an optical path. The tag is (1) adapted for producing a response to an optical signal propagating along the optical path; and (2) responsive to a variation of a physical parameter to vary the response to the optical signal. The method comprises causing a variation of the physical parameter and identifying the location of the tag at least in part by observing the response of the tag to the optical signal. The tag may be associated with a sensor such that a location of the sensor may be derived based on the location of the tag.

L'invention concerne des procédés et des appareils permettant d'obtenir des informations, telles que des informations d'emplacement et/ou d'identification relatives à des capteurs dans de chemins optiques de type fibres optiques. Un mode de réalisation concerne un procédé d'identification d'un emplacement d'étiquette dans un chemin optique. L'étiquette (1) est conçue pour donner une réponse à un signal optique se propageant le long du chemin optique, et (2), en réponse à une variation d'un paramètre physique, pour modifier la réponse donnée au signal optique. Le procédé consiste à modifier le paramètre physique et à identifier l'emplacement de l'étiquette au moins en partie en observant la réponse donnée par l'étiquette au signal optique. Il est possible d'associer l'étiquette à un capteur pour pourvoir déterminer un emplacement du capteur en fonction de l'emplacement de l'étiquette.

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