Due to various reasons, Apple is one of the tech players that has a great many patents and patent applications up its sleeve. The latest addition to their invention portfolio is a touchscreen display that can simulate the feel of various materials.
The patent has been granted by the USPTO today, April 23, and explains that the display makes use of an actuator to vibrate the surface of the screen and change its temperature in order to fool users that they are not touching a plastic display, but a material of other origin.
The actuator that causes ...
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