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First responder communications system

  • US 7,245,216 B2
  • Filed: 11/15/2005
  • Issued: 07/17/2007
  • Est. Priority Date: 07/02/2002
  • Status: Expired due to Fees
First Claim
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1. A communications system, comprising:

  • a plurality of mobile devices that each include a network subsystem and a positioning subsystem, the network subsystem automatically assembling a wireless network among the mobile devices using at least one of a plurality of channels for information transfer and automatically assigning at least one unique identification number to each mobile device, wherein the network subsystem uses a primary channel of the plurality of channels and automatically switches to use an alternative channel of the plurality of channels in response to a failure of the primary channel, the positioning subsystem automatically generating position information of each mobile device; and

    at least one control system coupled for information transfer with the plurality of mobile devices, the control system tracking and mapping individual positions of each mobile device using the position information and identifying each mobile device on the map using the identification number.

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