The proposed solution is the adoption of "haptic" display technologies which allow for some tactile feedback from touch screen displays. Apple proposes including a grid of piezoelectronic actuators that can be activated on command. By fluctuating the frequency of these actuators, the user will "feel" different surfaces as their finger moves across it.
Sunday, July 12, 2009
See and Feel the iPhone
A recent patent backs up an idea I had about a haptic interface for the iPhone (it's not a new idea even for the iPhone):
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