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System and method for efficiently notifying users of impending arrivals of vehicles

DC
  • US 6,492,912 B1
  • Filed: 03/01/2000
  • Issued: 12/10/2002
  • Est. Priority Date: 05/18/1993
  • Status: Expired due to Fees
First Claim
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1. A system for notifying users of impending arrivals of vehicles, comprising:

  • memory for storing data, said data indicating when notification messages are scheduled for transmission to remote communications devices to warn users of impending arrivals of at least one vehicle; and

    logic configured to determine that at least one of said notification messages is scheduled for transmission during a particular time period, to determine a number of said notification messages that are scheduled for transmission during said particular time period, to compare said number to a threshold number, and to cause said one notification message to be transmitted prior to said time period when said number exceeds said threshold.

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