A haptic feedback control device, such as a handheld remote control or handheld game controller, for controlling a graphical object within a graphical display and for outputting forces to a user. A housing includes a button, wherein the user engages the button with a finger. The button is depressible...http://www.google.co.uk/patents/US7561141?utm_source=gb-gplus-sharePatent US7561141 - Haptic feedback device with button forces
