| 摘要 |
<P>PROBLEM TO BE SOLVED: To overcome limitations on shape, weight, etc. of a mobile phone imposed by its transmitting and receiving function and portability, with a view to attaining a variety of functions required for the mobile phone, for voice communication in the prior art, and also for access to picture and sound contents and Internet websites, which necessitate a larger screen and a keyboard equivalent to that of a notebook-size computer. Ž<P>SOLUTION: A mobile phone set is designed mainly to receive videos and communicate mails and data, and it includes a master unit for connection with PHS and mobile phone networks and a slave unit of a mobile handy type for mainly transmitting and receiving voice communication. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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