Lenovo (singapore) Pte. Ltd.

International Business Machines Corporation

Jill Ann Hansen

Marco Michael Rengan

Richard Joseph Zabelicky, Jr

Robert Russell Wolford

A dual display mode portable computer is disclosed. The portable computer includes a flat-panel display, and a display controller for outputting an internal video signal to the flat panel display. The portable computer further includes means for receiving an external video signal, and a multiplexer for outputting the internal video signal to the flat-panel display during a first display mode, and for outputting the external video signal to the flat-panel display during a second display mode, thereby enabling the portable computer to act as a display device for an external computer.

Display controller architecture for portable computers

A method and system for switching between windows running on a multiwindow computer system that retains the user's points of interest is disclosed. The method and system includes allowing a user to register at least one specific point of interest in each of the windows, and displaying a persistent mouse pointer on each of the registered points of interest in the inactive windows. In response to the user making one of the inactive windows active, an active mouse pointer is displayed at the location of the persistent mouse pointer in that window.

Growing community of inventors

Chapel Hill, NC, United States of America

Jill Ann Hansen