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SENSOR

  • US 20120169805A1
  • Filed: 01/05/2012
  • Published: 07/05/2012
  • Est. Priority Date: 01/05/2011
  • Status: Abandoned Application
First Claim
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1. A sensor device comprising:

  • a base;

    first and second proximity sensors mounted to the base at a predetermined distance from one another; and

    circuitry programmed to determine presence and speed of an article passing by the sensor device based upon signaled information from the proximity sensors.

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