Input device

Details Input device Input device

1983-07-01

1985-03-05

Schreyer, Stafford D.

Telegraphy

Systems

Position coordinate determination for writing

G08C 2100

Patent

active

045032866

ABSTRACT:
A new and efficient input device of an electrode contact type which has a high mechanical strength and durability and can assure accurate detection of coordinates. The input device comprises an elastic flexible insulator spacer having a conductive element embedded therein which may be a gauze of thin wires of a good conductive material knit into the form of a grid. Upon depression of an outermost insulator protective sheet, a portion of the spacer is deformed to expose the conductive element below and above therefrom thereby to short-circuit the element to first and second resistor layers under and on the spacer, respectively.

REFERENCES:
patent: 3624619 (1971-11-01), Ambrosio

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