Cellular based traffic sensor system

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network

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379 63, 379 45, 340908, H04Q 720

Patent

active

055598641

ABSTRACT:
A method for providing emergency information using presently existing cellular telephone system technology. Traffic sensors monitor the control and voice channel transmissions of cellular units within a cellular telephone system for emergency conditions. Data from these transmissions is extracted and analyzed for emergencies according to a statistical model and derived vehicle geolocating information to generate emergency information that is transmitted to a central control center. By combining the information from all of the traffic sensors and each individual cell within a cellular telephone system, a picture of the emergency conditions existing along major thoroughfares may be determined.

REFERENCES:
patent: 5023900 (1991-06-01), Taylor et al.
patent: 5388147 (1995-02-01), Grimes
patent: 5479482 (1995-12-01), Grimes

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