E Earle Thompson, Gerald G Birdwell: Communication system and methods for enhanced information transfer. Texas Instruments Incorporated, Thomas G Eschweiller, James C Kesterson, Richard L Donaldson, August 2, 1994: US05335276 (734 worldwide citation)

A communication system (20) is provided with multiple purpose personal communication devices (50 and 150). Each communication device (50 and 150) includes a touch-sensitive visual display (60 and 160) to communicate text and graphic information to and from the user and for operating the communicatio ...