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Apple has been granted two patents for waterproofing their devices

The US Patent and Trademark office just published 35 new patents for Apple Inc., including two which relate to waterproofing their iOS devices.

Apple has just been granted two waterproofing patents for their devices, one for a water-inhibiting slide switch and another for electronic device moisture indicators. The first patent mainly involves methods for preventing moisture intrusion into iOS devices. The second patent aims to help monitor how much water Apple’s devices are exposed to should water intrude anyway.

The water inhibiting slide switch patent covers, in broad terms, how various methods, materials and apparatuses can be utilized to keep moisture out of the internal electronics on a device, but also specifically covers methods for doing so in the design of electromechanical switches, such as a sliding switch or button on the outer surface of the device.


A little moisture does occasionally slip through however, and this is where the second patent, the indicator, comes in. Small amounts of moisture likely won’t cause problems for a device, but repeated exposure may build up the moisture levels to the point where they do become a problem. The moisture indicator (“water dot”) tracks the buildup by having a sensor with regions of varying sensitivity against moisture.


Square Trade recently performed a series of tests, including a waterproofing test on the iPhone 5 (and several other smart phones). While all phones held up well, it still showcases that Apple’s waterproofing technology is quite good. The water test is below, at the 1:22 mark on the video:


David F.
A grad student in experimental physics, David is fascinated by science, space and technology. When not buried in lecture books, he enjoys movies, gaming and mountainbiking

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