Apple recently patented their take on the glass piezoelectric keyboard concept such as the Kong Fanwen “No-Key” design announced months earlier.
Where this will go remains to be seen, but rather than a clear sheet of glass, Apple’s patent indicates an LED backlit device with LCD “screens” under a stamped or formed hard touch-sensitive surface. Keys will be positioned and marked as they are on a conventional keyboard allowing for touch typing, but a haptic feedback method like the vibration-on-click method that many cellular devices currently use will indicate key presses rather than any direct key motion.
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