PERSONAL DIGITAL ASSISTANT, RADIO INFORMATION COMMUNICATION SYSTEM USING THE SAME, AND RADIO INFORMATION COMMUNICATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a personal digital assistant full of function extensibility, capable of communicating with a plurality of communication networks, and provided with a part which can be easily put in a pocket when going out.;SOLUTION: Two personal digital assistants 14 and 16 are organically connected, a first personal digital assistant is made communicable with the outside by a first communication system, and a second personal digital assistant is made communicable with the first personal digital assistant by the first communication system and also communicable with the outside by a second communication system. Also, a holding means (binder ring) 18 is provided so that the two personal digital assistants can be bound and held or separated.;COPYRIGHT: (C)2004,JPO