Resistive touch screen with variable resistivity layer

Details Resistive touch screen with variable resistivity layer Resistive touch screen with variable resistivity layer

2006-06-20

2006-06-20

Mengistu, Amare (Department: 2673)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C178S018010

Reexamination Certificate

active

07064748

ABSTRACT:
A resistive touch screen includes a transparent substrate defining a touch area; a first layer of conductive material formed on the transparent substrate and extending over the touch area; an electrical connection to the first layer of conductive material; a transparent flexible cover sheet; a second layer of conductive material formed on the transparent flexible cover sheet, the cover sheet being mounted in a spaced apart relationship from the substrate, whereby a touch in the touch area results in an a electrical contact between the first and second layers of conductive material at the point of touch; an electrical connection to the second layer of conductive material; and at least one of the first or second layers of conductive material having a variable conductivity.

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