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Rail car identification apparatus

  • US 4,293,766 A
  • Filed: 10/30/1979
  • Issued: 10/06/1981
  • Est. Priority Date: 10/30/1979
  • Status: Expired due to Term
First Claim
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1. Apparatus for simulating a rail car identification system comprising:

  • a plurality of coded labels;

    transport means for sequentially moving each of said coded labels through a viewing zone;

    optical scanning means for scanning said coded labels in said viewing zone;

    control circuit means for controlling said transport means comprising endless conveyor means and wherein said coded labels are mounted at spaced apart locations on said endless conveyor means;

    processor means for processing the output of said optical scanning means;

    label sensor means for detecting the entry of each of said labels into said viewing zone and supplying label position signals to said control circuit means in response thereto;

    conveyor position sensor means for detecting the entry into said viewing zone of a particular portion of said endless conveyor means and supplying conveyor position signals to said contol circuit means in response thereto; and

    wherein said control circuit means comprises speed control means for selectively controlling the speed of said endless conveyor means.

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