System and method for tracking a moving element in a conveyor system
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United States of America Patent
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Mar 21, 2017
Grant Date -
Jan 29, 2015
app pub date -
Jul 29, 2014
filing date -
Jul 29, 2013
priority date (Note) -
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Abstract
A system for tracking position and identification of a moving element on a conveyor system having a track, the system including: a machine readable medium provided to one of the moving element or the track, wherein the machine readable medium is configured with at least two channels with a predetermined phase difference therebetween; a sensor provided to the other of the moving element or the track, wherein the sensor is configured to read the at least two channels; and a controller configured to receive data from the sensor and determine a position and/or identification of the moving element on the track based on the phase difference.
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