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Mobile network with automatic position reporting between member units

  • US 5,661,652 A
  • Filed: 05/23/1995
  • Issued: 08/26/1997
  • Est. Priority Date: 02/22/1994
  • Status: Expired due to Term
First Claim
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1. A mobile dispatch network, comprising:

  • a plurality of global positioning system (GPS) receivers each capable of receiving microwave radio transmissions from orbiting GPS satellites that encode time and ranging information, and are each connected to convert said information to a current position local to each corresponding GPS receiver;

    a plurality of pager transmitters each integrated within one of said GPS receivers and each connected to transmit a local current position as a first data message to said other GPS receivers to be recorded in the remote GPS receivers as a waypoint or goal back to the sourcing GPS receiver; and

    a plurality of pager receivers each integrated within one of said GPS receivers and each connected to receive a second data message representing a remote position of one other of said GPS receivers and connected to record such remote position locally as a waypoint or goal to said remote GPS receiver.

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