LOCATOR BEACON SYSTEM HAVING GLOBAL COMMUNICATION CAPABILITY

The invention provides an emergency communication device capable of transmitting an emergency alert signal using more than one wireless communication system. When a commercial wireless carrier network is available, the device transmits the emergency alert signal to a central monitoring service via t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BOLING BRIAN M, BISHOP RONALD D
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING ORDER TELEGRAPHS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING
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