Portable mobile unit

Details Portable mobile unit Portable mobile unit

2006-01-03

2006-01-03

Trost, William (Department: 2683)

Telecommunications

Radiotelephone system

Out-of-range indication

C455S425000, C455S524000, C455S525000, C455S550100, C455S067110, C455S522000, C455S069000

Reexamination Certificate

active

06983140

ABSTRACT:
A cellular phone capable of informing a user of the deterioration of a line speech quality by raising an alarm. In the cellular phone according to the present invention, the condition in which the saturation of a transmission output lasts for a predetermined period of time or longer is detected, and a deterioration in the uplink speech quality is thereby predicted, an alarm signal being sent out to the cellular phone. Thus, the user is notified that a deterioration in the uplink speech quality occurs.

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