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Electronics & Handheld Devices
69
2
Keyless at panel portable computer
notebook
2
Patent Number:
US 5,049,862
Title:
Keyless at panel portable computer--computer
aided notebook
Inventors:
James Dao; David C. Foyt; Jeffrey J. Dao;
Kenneth R. Allen
Issue Date:
September 17, 1991
Earliest Filing Date:
October 6, 1989
Representative Independent Claim:
A portable computer comprising: a rst panel
having a rst at surface; a second panel having a
second at surface; hinge means for joining said
rst panel to said second panel such that said
rst at surface is juxtaposed to said second at
surface in a closed position and is disposed side
by side in a common plane in one of a selection of
open positions; said rst at surface comprising a
rst digitizer; said second at surface comprising
a second digitizer and a display juxtaposed
together to form a digitizer-display unit; and a
stylus connectable to at least one of said rst
panel and said second panel for interacting with
at least one of said rst digitizer and said second
digitizer, wherein data entered on one of said
digitizers and displayed on said digitizer-display
unit is freely alterable on said digitizer-display
unit.