Patent ID: 8355031

Claim:
A portable electronic device comprising: a device body having at least one accessory interface; at least a first display device on a first exterior surface of the device body; at least a second display device on a second exterior surface of the device body which is adjacent to said first exterior surface and is oriented transverse to said first exterior surface; a display driver device communicatively coupled to the second display device and configured for receiving data for presentation on said second display device and generating signals for causing the data to be presented on the second display device and at least a first accessory detection device comprising at least one accessory sensor, said first accessory detection device being communicatively coupled to said display driver device and said accessory interface; at least a second accessory detection device communicatively coupled to said display driver device; wherein said first accessory detection device is configured for generating a first presence signal exclusively indicating the presence or absence of a first particular accessory coupled to said accessory interface; wherein said second accessory detection device is configured for generating a second presence signal indicating the presence or absence of a second particular accessory which is being used with said portable electronic device; wherein said display driver device is configured to select one orientation from a plurality of pre-defined orientations for said data on said second display device based at least on a current orientation of said device body, said first presence signal, and said second presence signal.