| 摘要 |
PROBLEM TO BE SOLVED: To secure the security of communication in a communication system constituted of first communication equipment having a plurality of communication systems and second communication equipment having a plurality of communication systems. SOLUTION: Communication equipment 1 acquires communication information showing a communication system and an encryption system from communication equipment 2 by a predetermined short range communication system (S201, S202). The acquired communication information is compared with a communication information table owned by the communication equipment 1, and whether or not there is any matched communication information is decided (S203). When it is decided that there is any matched communication information, data communication is operated between the communication equipment 1 and the communication equipment 2 by the communication system and encryption system corresponding to the communication information (S204-S207). COPYRIGHT: (C)2007,JPO&INPIT
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