Transparent coordinate detection device

Details Transparent coordinate detection device Transparent coordinate detection device

1993-09-03

1995-02-21

Young, Brian K.

Coded data generation or conversion

Digital pattern reading type converter

For x or y coordinate determination

H03M 122

Patent

active

053920350

ABSTRACT:
A coordinate detection device has upper and lower resistive plates. Pressure on the upper resistive plate causes the two plates to come into electrical contact at a point of the pressure allowing an external device to compute the coordinates of the applied pressure. Each resistive plate has a layer of transparent resistor material over a transparent substrate. Two parallel electrodes of silver are spaced apart on each resistive plate to create a linear potential gradient therebetween. The electrodes are connected across a voltage potential via lead wires which are made from the same material as the transparent resistor.

REFERENCES:
patent: 4897510 (1990-01-01), Tanaka et al.

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