PORTABLE TELEPHONE AND ADDITIONAL DEVICE FOR THE SAME.
申请公布号:EP0608899(A3)
申请号:EP19940101304
申请日期:1994.01.28
申请公布日期:1994.08.10
发明人:MAEKAWA, HITOSHI, C/O MITSUBISHI DENKI K.K.
分类号:H04B1/034;H04B1/38;H04M1/02;H04M1/725;H04Q7/38
主分类号:H04B1/034
摘要:The present invention relates to additional devices for a portable telephone. The additional devices (30) having various functions can be prepared and the optionally selected additional device (30) can be integrally attached to a conventional portable telephone comprising a portable telephone main body (10) and a power source (20) to improve functionalability and portability. The additional devices (30) for the portable telephone can have a power source function (34c), a modem function, an extension function (40) improving the functionality of the portable telephone or a card receiving mechanism (35e). <IMAGE>
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