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Method for vehicle dispatching system

  • US 6,711,500 B2
  • Filed: 03/15/2002
  • Issued: 03/23/2004
  • Est. Priority Date: 03/15/2002
  • Status: Expired due to Fees
First Claim
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1. A method for a vehicle dispatching system comprising the steps of:

  • (1) customers calling by telephone to a control center requesting vehicle services, and service people inquiring customers locations and destinations;

    (2) dispatching service people entering customer location data into a control computer, and software resided in the control computer converting customer location data to broadcast signals which are transmitted through a data transmission device to car phones installed in the vehicles;

    (3) broadcast receivers installed in the car phones receiving the broadcast signals transmitting from a broadcast system of the control center, and distance (time) counters installed in the car phones receiving longitude and latitude data of the vehicles from GPS receivers installed in the car phones and calculating relative distances with the customers after comparing with the customer location data contained in the broadcast signals;

    (4) the distance (time) counters converting the obtained relative distances to return call delay times by seconds, and through data communication devices transmitting the longitude and latitude data of the vehicles to the control center when the delay times are elapsed;

    (5) people in the control center receiving return calls from the vehicles, and informing customers related information including customer locations and destinations, other return call delayed vehicles being rejected from calling back to the control center resulting from line busy or undue time delay; and

    (6) the control center, after finishing mission dispatching, employing again the broadcast system to cancel command broadcasting signals to stop all other vehicles which have received the broadcast signals but do not respond with return calls from calling back.

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