US Patent 6924752 Three-dimensional contact-sensitive feature for electronic devices

An electronic device is formed at least partially from a deflectable material that generates an electrical signal in response to contact. The first material is integrated with a display module to provide a shaped feature on the exterior surface of the display module. The shaped feature detects contact with an external object on one or more contact points, where contact with the contact points corresponds to a defined input for a processor of the electronic device.