Data entry system
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United States of America Patent
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-
Feb 23, 1999
Grant Date -
N/A
app pub date -
Sep 22, 1997
filing date -
Sep 22, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A data entry system (100, 100') has an ergonomic base (102, 102') including upper surface controls (104, 104') which generate a first set of electrical signals, and side surface controls (106, 106') which generate a second set of electrical signals when operated independently. A third set of electrical signals are generated when the side surface controls (106, 106') are operated in combination with the upper surface controls (104, 104'). Data entry system (100, 100') further includes mode selection controls (108) for establishing the first, second and third sets of electrical signals as device control signals responsive to a first mode being selected and respective sets of alphanumeric and keyboard control signals responsive to a second mode being selected.
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