Apple Tactile Touchscreen Patent Suggests Braille Bumps and Sub-Screen Keys

Apple's latest patent filing is for a tactile touchscreen. It's not a new idea, but while companies LG and Alpine use vibration technology to make you feel like you are touching something distinct, the Apple patent suggests that you actually will touch something physical. One idea is for Braille-like bumps to emerge… »10/25/07 12:25pm