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Emergency-locator-and-communicator

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Emergency locator and communicator

Details

Inventors: Holt, Brian P.;
Assignee: Harris Corporation (Melbourne, FL)
Primary Examiner: Kincaid; Lester G.
Assistant Examiner:
Attorney, Agent or Firm: Carter, Ledyard & Milburn

A system and method for instantly summoning assistance to the location of an emergency. A mobile unit providing subscriber communications with an operator or emergency service provider includes a beacon signal generator for directing service providers to the location of the emergency. Subscriber communications are established using an existing personal communication system. The beacon signal generator transmits a wideband spread spectrum that is analyzed at receiving stations to determine the location of the mobile unit.

DETAILED DESCRIPTION What is claimed is: 1.
A mobile personal emergency communication device for directing assistance to an emergency identified by a user of the device comprising: a communicator for providing interactive communications between the user and a service having: a transceiver for receiving from and transmitting to the service a signal carrying communication information in accord with a conventional personal communications protocol; a beacon for directing the service to the geographic location of the device having: a transmitter for selectively transmitting a wide band spread spectrum signal independent of the operation of said communicator wherein said wide band spread spectrum signal is transmitted in a band separate and distinct from frequencies assigned to personal communications systems, and a portable power supply for providing power to the beacon and communicator.
2.
The mobile personal emergency communication device of claim 1 wherein said communicator includes a means for selecting a type of service.
3.
The mobile personal emergency communication device of claim 1 wherein said transmitter for selectively transmitting a wide band spread spectrum signal transmits a beacon signal in a broad bandwidth in comparison to that of the signal carrying communication information.
4.
The mobile personal emergency communication device of claim 3 wherein said transceiver for receiving from and transmitting to the service a signal carrying communication information operates in a conventional personal communications channel.
5.
The mobile personal emergency communication device of claim 1 wherein said beacon includes a first modulator for generating the wide band spread spectrum signal and said transceiver includes a second modulator for generating the signal carrying communication information.
6.
The mobile personal emergency communication device of claim 5 wherein said first modulator employs a type of modulation different from a type of modulation employed by said second modulator

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