The present invention is directed to variable resistance zones for sensing input to an electronic device, as well as ministops for controlling deformation of the input components to ensure the accuracy of the inputs sensed. In one embodiment, a system in accordance with the present invention includes...http://www.google.de/patents/US7684953?utm_source=gb-gplus-sharePatent US7684953 - Systems using variable resistance zones and stops for generating inputs to an electronic device
