发明名称 |
PREPAID PAY TELEVISION SSYSTEM |
摘要 |
The prepayment system has control words transmitted from a management center with a control message. There is a security unit decrementing the credit amount over a time set by the management message. A single number identification and code value corresponding to the amount is passed to the center control. The processor process and verifies the code value communication an identification representing a single number and recharge amount. |
申请公布号 |
HRP20040934(A2) |
申请公布日期 |
2005.02.28 |
申请号 |
HR2004P000934 |
申请日期 |
2004.10.07 |
申请人 |
NAGRAVISION S.A. |
发明人 |
MARCO SASSELLI |
分类号 |
G06Q20/12;G07F7/00;G07F7/08;G09C1/00;H04N1/00;H04N5/00;H04N7/16;H04N21/266;H04N21/4623 |
主分类号 |
G06Q20/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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