Abstract: 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.
Type:
Grant
Filed:
January 14, 2005
Date of Patent:
September 9, 2008
Assignee:
Lenovo (Singapore) Pte. Ltd.
Inventors:
Jill Ann Hansen, Marco Michael Rengan, Robert Russell Wolford, Richard Joseph Zabelicky, Jr.