Asset tracking apparatus and method

Details Asset tracking apparatus and method Asset tracking apparatus and method

2005-12-13

2005-12-13

Pope, Daryl C. (Department: 2632)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S573100, C340S539100, C340S539110, C340S539150, C340S539310, C340S539320

Reexamination Certificate

active

06975222

ABSTRACT:
An asset securing and tracking system (30) operates in conjunction with a wireless communication network (65) for tracking a portable asset (35). The system (30) includes a tracking device (31) adapted to be attached to the portable asset (35) and communicate with the wireless communication network (65). The tracking device (31) determines the location of the asset (35) using signals from GPS satellites (55) and the terrestrial wireless communication network (65). A monitoring station (32) receives and processes a location signal regarding the geographic location of the portable asset (35) from tracking device (31) via the wireless communication network (65).

REFERENCES:
patent: 5652570 (1997-07-01), Lepkofker
patent: 5742233 (1998-04-01), Hoffman et al.
patent: 6225901 (2001-05-01), Kail, IV
N.F. Krasner, G. Marshall, and W. Riley; Position Determination Using Hybrid GPS/Cellphone Ranging; http://www.snaptrack.com/AtWork/ion2002—pos—determination; 2002; 12 pages.
Z. Biacs, G. Marshall, M. Moeglein, and W. Riley; The Qualcomm/SnapTrack Wireless-Assisted GPS Hybrid Positioning System and Results from Initial Commercial Deployments http://www.snaptrack.com/AtWork/ion2002—qualcomm—hybrid—agps; 2002; 7 pages.
Goran M. Djuknic and Robert E. Richton; Geolocation and Assisted-GPS http://www.lucent.com/livelink/090094038000e51f—White—paper; 2002; 10 pages.

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