Patent ID: 7616192
Filing Date: 2009-11-10
Classification: G06F

Abstract:
1. A touch device for providing tactile feedback to a user, said touch device comprising: a touch panel comprising a display displaying keys constituting a software-defined keypad, said touch panel operable to produce a position signal indicative of a position on said display touched by a user-controlled object; a processor operable in response to said position signal to generate a drive signal when said position on said touch panel corresponds to the key location of one of said keys on said soft keypad; and a vibration device operable in response to said drive signal to cause said display to vibrate while said position corresponds to said key location to provide a tactile key location indication to the user; wherein said processor is additionally operable to detect damping of said vibration by said user-controlled object touching said display, and, in response to said detecting, to generate a click indicate signal indicative of a click event performed by said user-controlled object on said one of said keys at said key location corresponding to said position on said display.