Mobile communication device

Details Mobile communication device Mobile communication device

2006-04-07

2011-10-18

Ghebretinsae, Temesgh (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Near field

C340S572500, C340S572700

Reexamination Certificate

active

08041295

ABSTRACT:
A mobile communication device capable of reducing a size of a proximity noncontact communication antenna and improving a proximity noncontact communication distance is provided. In a mobile communication device having both functions of a card function and a reader/writer function as a proximity noncontact communication and equipped with at least two proximity noncontact communication antennas or more for respective functions, a switching controlling portion4and a proximity noncontact communication controlling portion5for switching tuning circuits3A,3B of antennas2A,2B based on external equipments (an external proximity noncontact communication reader/writer and an external proximity noncontact communication card) that perform the proximity noncontact communication are provided.

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English translation of JP 2005-092352.

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