Telegraphy – Systems – Position coordinate determination for writing
Patent
1989-07-11
1991-02-12
Schreyer, Stafford D.
Telegraphy
Systems
Position coordinate determination for writing
178 19, 340711, G08C 2100
Patent
active
049926306
ABSTRACT:
A digitizer tablet provided with menus over the marginal areas in the non-linear boundaries of the regular electrode array. Coordinate signals from the menu areas are processed to vary a parameter of the processing circuitry for the coordinate value outputs.
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Schreyer Stafford D.
Summagraphics Corporation
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