| 摘要 |
<p>PROBLEM TO BE SOLVED: To permit a user to easily carry a part of the user interface of a radio telephone set and to easily maintain it in a place within his grasp by dividing the set into a first part and a second part and providing a data transfer means for executing communication between the first part and the second part. SOLUTION: The radio telephone set is divided into the first part (telephone part) 2 and the second part (wrist part) 3. The telephone part 2 is constituted of a power source, a radio part (transceiver) executing communication with a base station and the other radio telephone set in a radio telephone system, for example, an antenna 5 and the data transfer means for executing communication with the wrist part 3. The telephone part 2 has a link module 10 generating data transfer communication between the wrist part 3 and the telephone part 2. The wrist part 3 is constituted of a key and the data transfer means for making communication with the telephone part 2. Thus, the user can easily correspond to a telephone call by the key of the wrist part 3. Furthermore, the whole call can be executed by using only the wrist part 3.</p> |
