Frequency coupling position coordinates determination apparatus

Details Frequency coupling position coordinates determination apparatus Frequency coupling position coordinates determination apparatus

1987-07-08

1989-03-07

Schreyer, Stafford D.

Telegraphy

Systems

Position coordinate determination for writing

G08C 2100

Patent

active

048108383

ABSTRACT:
A frequency coupling position coordinates determination apparatus includes sheet means on which N (positive integer) one-turn coils for detecting a magnetic force and M (less than N) signal lines to which at least one predetermined one-turn coil of the N one-turn coils is connected are arranged, and detecting means for detecting the amplitudes of currents respectively flowing through the M signal lines.

REFERENCES:
patent: 4644102 (1987-02-01), Blesser et al.

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