Telecommunications – Transmitter and receiver at same station – Having particular application of a transceiver
Reexamination Certificate
2005-06-30
2010-10-26
Bost, Dwayne D (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Having particular application of a transceiver
C455S404100, C455S550100, C340S539110, C340S539120, C340S539130, C340S539150, C340S531000, C379S037000, C379S038000, C379S040000
Reexamination Certificate
active
07822391
ABSTRACT:
A mobile telephone is provided with an emergency beacon. When the telephone's user dials an emergency number, such as 9-1-1, the telephone detects that an emergency number has been dialed, and it activates the beacon. The beacon may be a radio beacon, and, if the telephone is GPS-equipped, the radio beacon may send out the mobile telephone's location. Safety personnel can locate the caller by following the beacon to the caller. Other optional features include an audio emergency beacon and/or a visual emergency beacon, such as a strobe, in addition to or in place of a radio beacon. In one embodiment, the beacon is not activated unless the mobile telephone is unable to complete the call to the emergency number. In another embodiment, the beacon is activated without receiving any remote authorization from, for example, a 9-1-1 call center.
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Delker Jason R.
Everson John
Mau Jeffrey
Bost Dwayne D
Mehra Inder P
Sprint Spectrum L.P.
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