Cell phone position measurement system, position measurement...

Details Cell phone position measurement system, position measurement... Cell phone position measurement system, position measurement...

2006-05-02

2006-05-02

Trost, William (Department: 2683)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S342000, C455S456300, C455S463000, C455S550100, C455S517000, C455S575700, C455S552100, C370S337000, C701S209000

Reexamination Certificate

active

07039419

ABSTRACT:
In a cell phone position measurement system, a position measurement unit performs position measurement using a (GPS) satellite. A cell phone terminal notifies the position measurement unit of a (GPS) signal received from the satellite and receives a position information service. In the cell phone terminal, a receiving unit receives the signal from the satellite. A radio phone unit notifies the position measurement unit via a radio channel and a cell phone network of position measurement data obtained from the signal received by the receiving unit. A controller controls the radio phone unit and temporarily interrupts communication via the radio channel in position measurement through the receiving unit. A position measurement method is also disclosed.

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patent: 001054265 (2000-11-01), None

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