Stylus coordinate determining device with distortion compensatio

Details Stylus coordinate determining device with distortion compensatio Stylus coordinate determining device with distortion compensatio

1987-03-09

1989-01-17

Eisenzopf, Reinhard J.

Telegraphy

Systems

Position coordinate determination for writing

324208, 324225, G01B 714, G01N 2772, G01R 3300, G08C 2100

Patent

active

047989203

ABSTRACT:
In a coordinates detecting device comprising: a cursor; a tablet in which conductors are arranged in a predetermined periodic pattern; and arithmetic means for calculating the position of the cursor according to the outputs of the tablet, correction values for correcting the errors which are caused in common with all the periods of the pattern and in correspondence to the positions in each of the periods have been stored in memory, and the position of the cursor calculated by the arithmetic means is corrected by using the respective correction value.

REFERENCES:
patent: 4029899 (1977-06-01), Gordon
patent: 4322683 (1982-03-01), Vieira et al.
patent: 4477877 (1984-10-01), Nakamura et al.

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