Communication device of mobile unit

Details Communication device of mobile unit Communication device of mobile unit

2007-10-16

2007-10-16

Trost, William (Department: 2617)

Telecommunications

Radiotelephone system

Special service

C455S412100, C455S412200, C455S423000, C340S438000, C340S439000, C340S441000, C340S459000

Reexamination Certificate

active

09936484

ABSTRACT:
Communications are performed between a mobile unit and a terminal device. The mobile unit is provided with a communication device that is capable of communicating with the terminal device if it is connected electrically with a power supply. When an engine key switch signal is off, the electrical connection between the power supply and the communication device is turned on and off intermittently.

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