Mobile phone avoiding search of ineffective base stations

Details Mobile phone avoiding search of ineffective base stations Mobile phone avoiding search of ineffective base stations

2005-06-21

2005-06-21

Trost, William (Department: 2683)

Telecommunications

Radiotelephone system

Out-of-range indication

C455S550100, C455S552100, C455S566000, C455S557000

Reexamination Certificate

active

06909892

ABSTRACT:
When a mobile phone is out of an area covered by a communication currently in use, the fact is noticed to a user and, simultaneously therewith, a message urging the user to select another communication system is displayed. During a period in which this display is performed, it becomes possible to switch the communication system through a simple procedure.

REFERENCES:
patent: 5613213 (1997-03-01), Naddell et al.
patent: 5737703 (1998-04-01), Byrne
patent: 6085110 (2000-07-01), Nilsson
patent: 6148180 (2000-11-01), Sato
patent: 0 781 064 (1997-06-01), None
patent: 0 793 395 (1997-09-01), None
patent: 2327016 (1999-01-01), None
patent: 96/38992 (1996-12-01), None
patent: 99/30479 (1999-06-01), None

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