发明名称 COMMUNICATION METHOD, COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND PROGRAM
摘要 In a communication method for performing data communication between communication devices via a network according to a predetermined mode, an attempt to establish the data communication according to a first communication mode is made. When the attempt has failed, another attempt to establish the data communication according to a second communication mode is made.
申请公布号 US2006268839(A1) 申请公布日期 2006.11.30
申请号 US20060419590 申请日期 2006.05.22
申请人 SONY CORPORATION 发明人 KATO MASAFUMI
分类号 H04L12/66 主分类号 H04L12/66
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