Graphic input device

Details Graphic input device Graphic input device

1984-09-25

1986-02-04

Schreyer, Stafford D.

Telegraphy

Systems

Position coordinate determination for writing

178 19, G08C 2100

Patent

active

045687994

ABSTRACT:
A graphic input device for converting a character, a diagram or like pattern entered by hand to an electric signal. A pen for entering the pattern has a winding therein which is fixed in a predetermined position which is not close to the tip of the pen. This allows a minimum of error due to inclination of the pen to be introduced into a value which is indicated by a coordinate signal when the pattern is entered.

REFERENCES:
patent: 3873770 (1975-03-01), Ioannou
patent: 4477877 (1984-10-01), Nakamura et al.

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