System and method for discriminating a roll in a paper roll dispense, and a paper roll
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United States of America Patent
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app pub date -
Aug 6, 2007
filing date -
Jun 3, 2003
priority date (Note) -
Abandoned
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Abstract
A system and a method discriminates a roll placed in a paper roll dispenser, as well as a paper roll with a core having at least one passive electrically conductive element, to be used in conjunction with the dispenser. The system includes a probe sensitive to a presence of an electrically conductive element in proximity thereof, the probe being located within the paper roll dispenser such that when the roll is positioned within the dispenser, the probe is in proximity of the roll. The system also includes an application for applying an input signal to the probe, a detector for detecting an output signal from the probe, the output signal being indicative of a presence of the electrically conductive element proximate the probe, and a discriminator for discriminating the paper roll based on a value of the output signal detected by the detector.
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