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Public transit vehicle arrival information system

DC
  • US 6,006,159 A
  • Filed: 08/13/1996
  • Issued: 12/21/1999
  • Est. Priority Date: 08/14/1995
  • Status: Expired due to Term
First Claim
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1. A system for determining the location of vehicles operating over predetermined routes in a transit system, comprising:

  • (1) a global positioning system device located in selected transit vehicles in the system for monitoring the position of said vehicles;

    (2) central processor means (a) storing an historical transit data table containing vehicle schedules of the travel times necessary for said vehicles to move from one stop to another along their routes under different conditions, advertisements and information for the operators of the vehicles, and (b) selecting from the transit data table a schedule of travel times applicable for current conditions along a given route and using the schedule of times from said transit data table and the position of said vehicles at a given time to calculate the times at which said vehicles will arrive at upcoming stops;

    (3) means communicating between the global positioning system device and the central processor means for transmitting the position of said vehicles to said central processor means;

    (4) means broadcasting within the area served by the transit system a system table of the calculated vehicle arrival times for the transit system; and

    (5) receivers selected from portable receivers, receivers at selected vehicle stops and receivers on board vehicles within the transit system, adapted for receiving the broadcast and displaying at least subsets of the transit data table associated with the selected receivers, including subsets containing predicted transit stop arrival times, advertisements and information for the operators of the vehicles.

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