Arrangement for the input and processing of characters and/or graphic patterns
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United States of America Patent
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-
Feb 6, 1990
Grant Date -
N/A
app pub date -
Sep 26, 1988
filing date -
Sep 26, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for the input and processing of characters and/or graphic patterns for use with electronic data processing systems includes an input unit and a control unit which transmits the input characters and/or graphic patterns to an output unit, a graphics tablet having an input layer, a plurality of sensor elements disposed on the input layer for converting pressure signals into electrical signals which are adapted for transmission to the control unit, a keyboard which is movable relative to the input layer from a keyboard operating position adjacent to the input layer to expose the input layer to enable direct entry thereto, and an operating mode detector for detecting whether the keyboard is in the operating position.
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