A pen-based computer including a housing and a flat display integral therewith. The flat display can display an image corresponding to text, data and graphic information in several orientations. A plurality of switches enables the user to select an orientation for the image relative to the orientation...http://www.google.fr/patents/US5566098?utm_source=gb-gplus-shareBrevet US5566098 - Rotatable pen-based computer with automatically reorienting display
Rotatable pen-based computer with automatically reorienting display
