WATCH INCLUDING A DEVICE FOR MEASURING THE DEGREE OF RELATIVE HUMIDITY INSIDE THE WATCH CASE
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United States of America
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Issued Date -
Jan 23, 2020
app pub date -
Jun 27, 2019
filing date -
Jun 27, 2019
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Abstract
A watch including a watch case, wherein the watch case includes a device for measuring the degree of humidity inside the watch, wherein the device for measuring the degree of humidity is a fibre optic device including a measuring optical fibre, the measuring optical fibre includes a portion configured such that the refractive index of said portion changes in the presence of water vapour inside the watch case.
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