摘要 |
A portable communication terminal apparatus according to the present invention includes a first means having a microphone and a speaker, and a second means having operation keys and/or display means. At least one of the first and second means has a magnet for attaching the second means to the first means. The second means can be attached to the first means. Each of the first means and the second means has a light emitter and a light detector, whereby data is transmitted therebetween. The operation keys are provided on one surface of the second means. When the second means is attached to the first means with the one surface thereof being faced forward, data is transmitted between the light emitter of the first means corresponding to the light detector of the second means and the light emitter of the second means corresponding to the light detector of the first means. The second means has a memory means for storing identification information of a user.
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