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Rack entry vehicle communication system

  • US 4,236,255 A
  • Filed: 12/15/1978
  • Issued: 11/25/1980
  • Est. Priority Date: 12/15/1978
  • Status: Expired due to Term
First Claim
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1. In a vehicle for transporting loads among the racks of a warehousing system, improved apparatus for communicating variable information between the vehicle and a reference station as the vehicle is moving along a vehicle path comprising:

  • source means for generating optical radiation;

    transducer means for converting optical radiation into corresponding electrical signals;

    means for supporting the source means and transducer means in alignment along an optical path as the vehicle is moved along the vehicle path; and

    transceiver means for modulating the generated optical radiation according to the information to be communicated and for converting the electrical signals resulting from received optical radiation into a useful form of information.

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