Palm Electronics & Handheld Devices - Manual (Page 6)

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Electronics & Handheld Devices
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Keyless flat panel portable computer
notebook
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Patent Number:
US 5,049,862
Title:
Keyless flat 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 first panel
having a first flat surface; a second panel having a
second flat surface; hinge means for joining said
first panel to said second panel such that said
first flat surface is juxtaposed to said second flat
surface in a closed position and is disposed side
by side in a common plane in one of a selection of
open positions; said first flat surface comprising a
first digitizer; said second flat 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 first
panel and said second panel for interacting with
at least one of said first 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.