Mobile tracking device for transportation industry

Details Mobile tracking device for transportation industry Mobile tracking device for transportation industry

2005-08-30

2005-08-30

Ramakrishnaiah, Melur (Department: 2643)

Telecommunications

Radiotelephone system

Programming control

C455S432100, C455S455000

Reexamination Certificate

active

06937855

ABSTRACT:
A freight tracking system having sufficient accuracy for most commercial freight hauling purposes is disclosed. The system includes a mobile telephone transmitter located in the freight or in the vehicle hauling the freight that automatically calls a telephone at the central reporting station. A caller reception unit detects the calling number and current visited base station information without answering the call and supplies it to a computer at the central reporting station which then determines the location of the shipment.

REFERENCES:
patent: 5299132 (1994-03-01), Wortham
patent: 5666647 (1997-09-01), Maine
patent: 6212268 (2001-04-01), Nielsen
patent: 6331835 (2001-12-01), Gustafson et al.
patent: 6339745 (2002-01-01), Novik

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