Apple Wins Patent for Noise-Reducing iPhone Case

Apple has won a patent for a removable iPhone case that cuts down on background noise.

Touting what the company is calling a "windscreen" design, the concept aims to reduce distracting sounds picked up by the device's microphone that may make it hard to hear a phone conversation.

"The windscreen is designed to reduce wind noise, air blasts, vocal plosives and other noise," Apple said in its patent application. "This may enable the speech of a user of the device to remain intelligible despite the presence of such noise during a call, and without requiring the user to shout into the device's microphone."

Although the patent was filed on Jan. 11, 2011, the U.S. Patent and Tradem…
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