Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Reexamination Certificate
2007-03-29
2010-11-09
Tarcza, Thomas H (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
C340S007500, C340S870030, C455S404200
Reexamination Certificate
active
07830305
ABSTRACT:
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 the wireless carrier network. When no wireless carrier network is available, the device transmits the emergency alert signal to an emergency search and rescue (SAR) satellite system. The device includes a first transmitter for transmitting the emergency alert signal to the SAR satellite system, a receiver for receiving location determination signals from Global Positioning System (GPS) satellites, and a second transmitter for transmitting the emergency alert signal by way of the wireless carrier network. In preferred embodiments, the first transmitter is a personal locator beacon transmitter compatible with the Cospas-Sarsat satellite system and the second transmitter is a Global System for Mobile communications (GSM) transmitter.
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COSPAS-SARSAT Search and Rescue System, NASA and NOAA, 2000.
Bishop Ronald D.
Boling Brian M.
Luedeka Neely & Graham P.C.
Mull Fred H
PROCON, Inc.
Tarcza Thomas H
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