A handheld electronic device includes a housing having a surface; a first input component having input members disposed external to the surface; a second touch sensitive input component disposed about the input members, the touch sensitive input component being separate and distinct from the input members...http://www.google.de/patents/US20090160761?utm_source=gb-gplus-sharePatent US20090160761 - METHOD AND HANDHELD ELECTRONIC DEVICE INCLUDING FIRST INPUT COMPONENT AND SECOND TOUCH SENSITIVE INPUT COMPONENT
