Device for measuring a relative humidity level inside the enclosure of a watch case

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11940379
SERIAL NO

17480250

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Abstract

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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).

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Patent Owner(s)

  • THE SWATCH GROUP RESEARCH AND DEVELOPMENT LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blatter, Cédric Commugny, CH 10 5
Dubugnon, Dominique Saint-Prex, CH 14 111
Willemin, Michel Prêles, CH 73 261

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