Method and apparatus for detecting moisture in portable electronic devices
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United States of America Patent
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Nov 8, 2016
Grant Date -
Sep 18, 2014
app pub date -
Nov 14, 2013
filing date -
Nov 14, 2012
priority date (Note) -
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Abstract
The present invention provides a unique method and apparatus for the automatic detection of water in portable electronic devices, such as cell phones, digital music players, pagers, cameras, tablet computers and the like, after these units have been subjected to water, high-humidity conditions, or other unintended deleterious wetting agents that could render such devices inoperable. Such detection can be performed without any disassembly of the device required. At least one embodiment provides a user-controlled vacuum plenum that simultaneously scavenges air from within the portable electronic device while sampling the relative humidity to determine the level of water or moisture within the device. The relative humidity is sampled by a microcontroller and displayed on a user friendly interface to allow repair and retail shops to quickly determine whether the portable electronic device contains water or moisture within its enclosed interior.
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