Methods, Apparatuses and Systems for Sensing Exposure of Electronic Devices to Moisture

This invention describes an electronic device that can detect moisture inside its casing. It uses an integrated circuit (IC) along with either an inductive or capacitance sensor to find water. The claims further narrow this to include a heating element, such as heating traces, which activates to dry the device once moisture is detected.

Why it matters: Since 2021, ongoing advancements in integrated circuit design and miniaturized sensor technology may have made embedding such moisture detection and self-drying systems more feasible or cost-effective within electronic devices. This could enable more sophisticated and power-efficient protective circuits.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedIntegrated circuit, inductive/capacitance sensors, heating traces

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