CLOSE PROXIMITY ALERT MESSAGING SYSTEM AND METHOD

CLOSE PROXIMITY ALERT MESSAGING SYSTEM AND METHOD

An alert broadcast method includes wirelessly transmitting a first message from a first cellular communication device to a central transceiver. The first message has a characteristic identifying the first message as an alert message. A location of the first cellular communication device is determine...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MARKHAM STEVEN, RILEY JAMES W
Format: Patent
Sprache:eng
Schlagworte:
ALARM SYSTEMS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TRANSMISSION
WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:An alert broadcast method includes wirelessly transmitting a first message from a first cellular communication device to a central transceiver. The first message has a characteristic identifying the first message as an alert message. A location of the first cellular communication device is determined. A plurality of second cellular communication devices that are within a proximity of the first cellular communication device are identified. A second message is transmitted from the central transceiver to the second cellular communication devices. The second message is dependent upon the first message.