A system which tracks and monitors a vehicle by utilizing cellular communication componentry and global positioning system componentry is disclosed. The system provides for simultaneous and continuous transmission of a voice signal and location data to a monitoring center. The monitoring center comprises componentry to communicate with the vehicle and determine the vehicle's location on a digitized map using a computer.

Title
Vehicle tracking and security system incorporating simultaneous voice and data communication
Application Number
98808573
Publication Number
1268088
Application Date
June 23, 1998
Publication Date
September 27, 2000
Inventor
B L Dorr
R L Hillman
Agent
zou guangxin
Assignee
Navox Corporation
IPC
H04Q 07/38
H04M 11/06
B60R 25/10