Resistive planar graphical entry device

Details Resistive planar graphical entry device Resistive planar graphical entry device

1979-03-06

1980-07-22

Robinson, Thomas A.

Telegraphy

Systems

Position coordinate determination for writing

G08C 2100

Patent

active

042141222

ABSTRACT:
In a resistive planar graphic device, conductor strips are divided into two segments and corner resistances interconnect outer ends of the conductor strips which extend in spaced relationship along the edges of a rectangular resistive area and which are connected by edge connecting and isolating resistances to the edges of the rectangular area. The corner resistances are selected to improve the linearity of voltage gradients in the rectangular area.

REFERENCES:
patent: 2900446 (1959-08-01), McLaughlin et al.
patent: 3522664 (1970-08-01), Lambright et al.
patent: 3591718 (1971-07-01), Asano et al.
patent: 3699439 (1972-10-01), Turner
patent: 3798370 (1974-03-01), Hurst
patent: 4079194 (1978-03-01), Kley

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