Apparatus for detecting humidity
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United States of America Patent
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Nov 5, 2019
Grant Date -
Jan 25, 2018
app pub date -
Jan 28, 2016
filing date -
Feb 6, 2015
priority date (Note) -
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Abstract
An apparatus comprising: a humidity-dependent electrical energy source configured to provide electrical energy when an environment occupied by the humidity-dependent electrical energy source becomes humid; and an electrically activated visual indicator coupled to receive provided electrical energy from the humidity-dependent electrical energy source and configured to provide a visual indication that the environment occupied by the humidity-dependent electrical energy source has become humid.
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