Data input device with a display keyboard
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United States of America Patent
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Nov 3, 1998
Issued Date -
N/A
app pub date -
Sep 29, 1997
filing date -
Dec 28, 1993
priority date (Note) -
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Abstract
A data input device including a display screen on which a keyboard appears, and a tablet that covers the screen. Keys are displayed in such a manner that a single alphabet character appears in a single key representation area. A mark drawn with a pen on the tablet indicates the transformation or modification of the specified character, such that a character indicated by a touch is entered in lowercase, and a character indicated by a check is entered in uppercase. Furthermore, by displaying a plurality of symbols in a single key representation area, one of the symbols can be selected and entered, depending on the manner in which the pen touches the screen.
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