It's hard to tell exactly what Motorola is thinking of here, but it probably isn't a billowing sheet of fabric stretched loosely over the face of a smartphone - even if that's what it looks like. Instead, this appears to be a patent application for a "free floating display lens" that helps the panel of a mobile device to be used as a Beo-style acoustic speaker. The idea is that you can get louder and less resonant sound without having to dedicate more precious real estate to a larger traditional speaker unit.
Engadget , 'Free form' lens over mobile display could improve audio and haptics, says Motorola patent filing, 'Free form' lens over mobile display could improve audio and haptics, says Motorola patent filing
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