Remotely distributed location and messaging system

  • US 5,802,454 A
  • Filed: 12/15/1995
  • Issued: 09/01/1998
  • Est. Priority Date: 12/15/1995
  • Status: Expired due to Fees
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First Claim
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1. A Distributed Location and Messaging System for providing location and messaging services, comprising:

  • (a) one or more Remotely Distributed Network Components for providing the location and messaging services using radio frequency (RF) communications;

    (b) each of the Remotely Distributed Network Components providing a coverage area for a different associated geographic region;

    (c) each of the Remotely Distributed Network Components comprising means for performing a location and message request for a specified subscriber unit in the associated geographic region using one or more radio frequency transmitting sites and a plurality of radio frequency receiving sites;

    (d) one or more Network Operations Centers, coupled to all of the Remotely Distributed Network Components, for controlling operations of the Remotely Distributed Network Components; and

    (e) the Network Operations Centers and the Remotely Distributed Network Components together further comprising means for initiating the location and message request by identifying a particular one of the Remotely Distributed Network Components having a coverage area for the specified subscriber unit, means for routing the location and message request to the identified Remotely Distributed Network Component, means for transmitting a unique paging message to a subscriber unit, means for receiving a response from the subscriber unit, means for forwarding the response from the subscriber unit to a processor coupled to the identified Remotely Distributed Network Component, and means for resolving the response from the subscriber unit into a location for the subscriber unit within the coverage area of the identified Remotely Distributed Network Component.

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