Digitizer tablet with regional error correction

Details Digitizer tablet with regional error correction Digitizer tablet with regional error correction

1991-01-17

1992-10-20

Schreyer, Stafford D.

Telegraphy

Systems

Position coordinate determination for writing

G08C 2100

Patent

active

051572273

ABSTRACT:
A digitizer tablet exhibiting improved regional error correction comprises evaluation of two linear equations to correct the generated raw coordinates. The equations contain certain constants unique to tablet regions exhibiting similar error patterns. These constants are empirically determined and stored for use in the evaluations.

REFERENCES:
patent: 4798920 (1989-01-01), Makino et al.

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