Apple has registered two patents, both are intended to make the company's products more protected against moisture. The first contains the groundwork for the creation of a waterproof switch. Electromechanical switch, often the only moving component of the mobile device. Apple designers and engineers have focused accumulated knowledge in the document. It contains lists of weatherproof switches and materials for their execution.
As for the second patent - it describes humidity control system within the mobile device. No matter how secure it was - water can appear inside due to rainfall or temperature changes. The patented system includes a plurality of sensors inside the body, which determine the amount of moisture and sends a corresponding signal to the owner, if it is close to critical.