GPS-based positioning system for mobile GPS terminals

Details GPS-based positioning system for mobile GPS terminals GPS-based positioning system for mobile GPS terminals

2008-04-01

2008-04-01

Phan, Dao (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

C342S357490

Reexamination Certificate

active

07352322

ABSTRACT:
The present invention discloses a GPS system that uses call-processor intelligence to determine the mode of operation of a GPS receiver located in a GPS terminal. The modes are selected based on the availability of network facilities, the GPS information that can be acquired, or user input requirements.

REFERENCES:
patent: 5831545 (1998-11-01), Murray et al.
patent: 6006151 (1999-12-01), Graf
patent: 6236359 (2001-05-01), Watters et al.
patent: 6462708 (2002-10-01), Tsujimoto et al.
patent: 6735523 (2004-05-01), Lin et al.
patent: 7009555 (2006-03-01), Tsujimoto et al.
patent: 2005/0140544 (2005-06-01), Hamel et al.

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