Navigation system for automatic guided vehicle

  • US 6,049,745 A
  • Filed: 02/10/1997
  • Issued: 04/11/2000
  • Est. Priority Date: 02/10/1997
  • Status: Expired due to Fees
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First Claim
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1. A system for navigating an automatic guided vehicle through a congested area, comprising:

  • a guidance apparatus for conveying a plurality of guidance signals for guiding the vehicle, said guidance apparatus being positionable relative to the area along a path over which the vehicle travels;

    a plurality of routing tags, each of said routing tags conveying at least one of a plurality of unique states sufficient in number to provide information for identifying a characteristic area condition related to the path of the vehicle;

    a controller for mounting on the vehicle for controlling the operation of the vehicle, said controller comprising an information processor, and a communications transceiver coupled to said information processor for broadcasting a message to other vehicles in the area, said information processor broadcasting said message upon approaching an intersection, and no longer broadcasting said message after leaving the intersection;

    said routing tags being positioned along the path over which the vehicle travels, said controller being responsive to at least one of the plurality of guidance signals and at least one characteristic area condition for navigating the vehicle through the area.

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