Telephone operable global tracking system for vehicles

Details Telephone operable global tracking system for vehicles Telephone operable global tracking system for vehicles

1995-12-22

1999-06-29

Chin, Wellington

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

340988, 340989, 340992, 3408255, 701213, 701215, 701222, H04Q 732, H04Q 734

Patent

active

059181800

ABSTRACT:
A tracking system for monitoring and locating vehicles includes a cellular telephone that is located in the vehicle, a global positioning system (GPS) receiver also located with the vehicle, and an interface unit between the global positioning receiver and the telephone. The global positioning receiver communicates with a system of satellites and provides continuous data, reflecting the present. spacial position of the vehicle in terms of its latitude/longitude coordinates. The interface between the GPS receiver and the wireless telephone includes a speech synthesizer circuit which converts the digitally encoded spacial coordinates into speech, which enunciates the position through the cellular telephone. By calling the vehicle cellular telephone from a remote location, the owner of the vehicle can hear the location of the vehicle, and then use that information to obtain its precise location.

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