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 (733 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 ...


Click the thumbnails below to visualize the patent trend.