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Methods and Systems for Sharing Position Data Between Subscribers Involving Multiple Wireless Providers

  • US 20140295895A1
  • Filed: 06/12/2014
  • Published: 10/02/2014
  • Est. Priority Date: 04/04/2005
  • Status: Active Grant
First Claim
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1. A method of sharing data between a first device associated with a first subscriber of a first cellular carrier and a second device associated with a second subscriber of a second cellular carrier, the data including position data indicating a location of the first device, the method comprising:

  • maintaining a subscriber database listing subscribers, including the first subscriber of the first cellular carrier and the second subscriber of the second cellular carrier;

    associating, in the subscriber database, a status for each of the subscribers;

    associating, in the subscriber database, the first subscriber with a subset of the subscribers, the subset including the second subscriber;

    communicating with the first device to authenticate the first device;

    sending the authenticated first device the statuses for the subset of the subscribers, including the second subscriber;

    receiving, from the first device, an instruction to convey to the second subscriber position data indicating the location of the first device; and

    sending, responsive to the instruction, the position data indicating the location of the first device to the second device.

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