Stand alone emergency signal device housed in cell phone

Details Stand alone emergency signal device housed in cell phone Stand alone emergency signal device housed in cell phone

2011-04-05

2011-04-05

Le, Danh C (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S556100, C455S404100, C307S066000, C340S436000

Reexamination Certificate

active

07920891

ABSTRACT:
The emergency signal device includes an emergency key on the phone, an independent IC chip set controlling the emergency functions, a dedicated memory chip for emergency information and a by-passing outlet to the cell phone's transmitting parts. It is further provided that the device includes a global positioning system (GPS) receiver, so that the person in danger may always be located. This device utilizes rechargeable solar cells to provide energy. All of its components are powered by a solar cell or solar cell charged battery.

REFERENCES:
patent: 5797091 (1998-08-01), Clise et al.
patent: 6198914 (2001-03-01), Saegusa
patent: 6636732 (2003-10-01), Boling et al.
patent: 2004/0005914 (2004-01-01), Dear
patent: 2009/0002145 (2009-01-01), Berry et al.
patent: 10-2005-0049455 (2005-05-01), None
patent: 10-2005-0102605 (2005-10-01), None

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