Input device

Details Input device Input device

1983-07-01

1985-03-12

Schreyer, Stafford D.

Telegraphy

Systems

Position coordinate determination for writing

G08C 2100

Patent

active

045047006

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 insulator protective sheet, a portion of the spacer under the sheet is deformed to expose the conductive element downwardly therefrom thereby to short-circuit the element to a resistor layer under the spacer.

REFERENCES:
patent: 3624619 (1971-11-01), Ambroslo
patent: 4164622 (1979-08-01), Pobgee
patent: 4208648 (1980-06-01), Naumann

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