Portable-mobile radiotelephone architecture and method for mobil

Details Portable-mobile radiotelephone architecture and method for mobil Portable-mobile radiotelephone architecture and method for mobil

1997-10-30

1999-09-14

Eisenzopf, Reinhard J.

Telecommunications

Radiotelephone system

Emergency or alarm communication

455521, 455569, H04M 1100

Patent

active

059536500

ABSTRACT:
A portable-mobile personal security system and method for a vehicle includes establishing a telephone call (407) from a portable radiotelephone (101) through a mobile radiotelephone (109). The telephone call established from the portable radiotelephone (101) is aborted (413) when a sensing device (119) indicates an emergency condition. Then, an emergency telephone call is made to an emergency-call center (415) through the mobile radiotelephone (109). While the emergency telephone call is in progress, a geographic position of the vehicle is transmitted to the emergency-call center (417). Additionally, a display (110) on the portable radiotelephone (101) displays status information about the emergency telephone call.

REFERENCES:
patent: 5388147 (1995-02-01), Grimes
patent: 5555448 (1996-09-01), Thiede et al.
patent: 5689548 (1997-11-01), Maupin et al.
patent: 5740532 (1998-04-01), Fernandez et al.

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