Patent ID: 7653375
Filing Date: 2010-01-26
Classification: H04L,H04M

Abstract:
1. A cellular telephone network-based system for detecting hazardous agents, said cellular telephone network capable of locating cellular telephones in said network, said system comprising a plurality of cellular telephones in public circulation, each cellular telephone having at least one detector for detecting at least one hazardous agent, said cellular telephone broadcasting over said cellular telephone network at least one alarm packet upon detecting said hazardous agent; and at least one computer interconnected with said plurality of telephones by said cellular telephone network for processing said alarm packet and setting an alarm condition for said hazardous agent in a vicinity of said cellular telephone configured to calculate based upon alarm packets from other telephones with detectors for said hazardous agent in said vicinity, said calculations including determination of a level of contamination of said hazardous agent in said vicinity and integration of said level of contamination of said hazardous agent over said vicinity, with bias due to variations in cellular telephone density over said vicinity removed, to determine whether a result of integration exceeds an alarm threshold.