An electronic device includes a base and a touch screen display connected to the base and movable relative thereto. The touch screen display includes a display device and a touch-sensitive input surface overlying the display device. The electronic device includes a feedback mechanism including a switch...http://www.google.co.uk/patents/US20090135145?utm_source=gb-gplus-sharePatent US20090135145 - TACTILE TOUCH SCREEN FOR ELECTRONIC DEVICE
