Battery pack of a mobile communication terminal and...

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail

Reexamination Certificate

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Details

C455S090200, C455S550100, C455S572000

Reexamination Certificate

active

07426405

ABSTRACT:
A battery pack device with circuits for supporting additional functions such as a Karaoke function, a disease diagnosing function, and a skin beauty care function, and adapted to be detachably coupled to a mobile communication terminal, so as to perform the additional functions through the mobile communication terminal. The mobile communication terminal including the battery pack device is also disclosed. The battery pack device includes battery cells for supplying DC power to a body of the mobile communication terminal via power supply terminals, an additional circuit unit for providing additional functions to the terminal body, and a control unit for controlling an operation of the additional circuit unit while performing data transmission and reception with respect to an external device. The control unit includes an additional function processor for controlling the additional circuit unit, and a communication unit for performing data transmission and reception with respect to the terminal body.

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patent: 10-20040020740 (2004-03-01), None

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