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Networked Motorized Drive Roller Conveyor

  • US 20120024669A1
  • Filed: 07/28/2011
  • Published: 02/02/2012
  • Est. Priority Date: 07/29/2010
  • Status: Abandoned Application
First Claim
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1. A networked motorized drive roller conveyor comprising:

  • a plurality of motorized drive roller assemblies, each assembly comprising a zone;

    a plurality of networked cards, each card controlling a pair of adjacent zones;

    a plurality of sensors for detecting items on the conveyor, each sensor corresponding to a zone;

    wherein for a pair of adjacent zones, the corresponding networked card measures a gap between consecutive items on the conveyor by beginning a counter when a trailing edge of a first item passes the sensor of an upstream zone within the pair of zones, and stopping the counter when a leading edge of the second item passes the sensor of the upstream zone within the pair of zones to generate a counter value.

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