Pulsed methods and systems for measuring the resistance of polarizing materials
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United States of America Patent
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Jul 21, 2009
Grant Date -
Aug 9, 2007
app pub date -
Jan 30, 2007
filing date -
Jan 31, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system and method for measuring resistance of a polarizing material are disclosed. The system includes a voltage divider circuit having a first resistive element of known resistance and the polarizing material of unknown resistance and a processing unit. The processing unit is electrically-coupled to the voltage divider circuit and adapted to apply a voltage across the voltage divider circuit. A first input/output (I/O) pin is electrically-coupled between the processing unit and the first resistive element. A second pin is electrically-coupled between the processing unit and a junction between the polarizing material and the first resistive element. A controller is adapted to cause the second pin to short the polarizing material after a measurement is completed, to bleed off any residual polarization from the capacitive element of the polarizing material.
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