DEVICE FOR MEASURING A RELATIVE HUMIDITY LEVEL INSIDE THE ENCLOSURE OF A WATCH CASE

A device (1) for measuring a relative humidity level inside the enclosure (9) of a case (3) of a watch (2), the device (1) including: an emitter module (5) provided with a source of light radiation capable of emitting light beams (8) towards the enclosure (9) of the case (3); a receiver module (6a,...

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Bibliographische Detailangaben
Hauptverfasser: Blatter, Cédric, Willemin, Michel, Dubugnon, Dominique
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A device (1) for measuring a relative humidity level inside the enclosure (9) of a case (3) of a watch (2), the device (1) including: an emitter module (5) provided with a source of light radiation capable of emitting light beams (8) towards the enclosure (9) of the case (3); a receiver module (6a, 6b, 6c) for receiving at least one acoustic signal (12) from the enclosure (9), and a control unit (7) connected to the modules (5, 6) and which is configured to evaluate the water vapour content of a gaseous fluid (11) contained inside the enclosure (9) as a function of the at least one acoustic signal (12) received by the receiver module (6a, 6b, 6c).