ELECTRONIC CIRCUIT FOR THE EVALUATION OF INFORMATION FROM VARIABLE ELECTRIC RESISTANCE SENSORS
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United States of America Patent
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Issued Date -
Feb 2, 2012
app pub date -
Mar 30, 2010
filing date -
Apr 1, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The solution concerns an electronic circuit for information evaluation from variable electric resistance sensors, where this sensor is formed by a matrix composed of columns and rows. At least one row and one column of the matrix is connected to a circuit which is formed by a parallel combination of a capacitor and a resistor to which a row switch is connected in series, and parallel to that is connected a serial combination consisting of terminals for connecting a variable electric resistance sensor and a column switch. The so formed connection of elements is connected to a power supply. The common point of parallel combination of the capacitor and the resistor is connected over a wave-shaping circuit to a counter. The row switch is connected to one output of a timing block to whose other output is connected a column switch.
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