A multifunction device includes a multifunction controller, a first interface for receiving input data from a document data source and a second interface for outputting processed input document data to a printer, and a touch screen that implements a graphical user interface for controlling the operation...http://www.google.de/patents/US6980312?utm_source=gb-gplus-sharePatent US6980312 - Multifunction office device having a graphical user interface implemented with a touch screen
