发明名称 Information broadcasting method, receiver and information processing apparatus
摘要 An information broadcasting method, a receiver, and an information processing apparatus make it possible to secure safety of information transmission between an information center and information. By encrypting confirmation information with a method making it possible to decipher the confirmation information only in the information terminal that becomes its receiver when an information center transmits the contents of the response signal (S30) transmitted from the information terminal (9) to the information center (3, 22) as the confirmation information, it becomes possible to secure safety of information transmission between the information center and information terminal. <IMAGE>
申请公布号 EP0923247(A3) 申请公布日期 2000.06.21
申请号 EP19980310042 申请日期 1998.12.08
申请人 SONY CORPORATION 发明人 SHIMIZU, KIYOSHI
分类号 H04H20/00;H04H20/74;H04H20/81;H04H60/23;H04H60/93;H04N7/167;H04N21/239;H04N21/266;H04N21/437;H04N21/478 主分类号 H04H20/00
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