| 发明名称 |
METHOD AND APPARATUS FOR PROVIDING PREPAID MUSIC CARD FOR DECIPHERING RECORDED BROADCAST AUDIO SIGNALS |
| 摘要 |
<p>An apparatus and method are provided for accessing encrypted digital audio signals. The apparatus acts as player (14), receiver (12) and recorder (14). The apparatus and method utilize smart card technology, in particular a smart card (40) and card reader (42) in order to pay for digital audio signal use.</p> |
| 申请公布号 |
WO0116840(A1) |
申请公布日期 |
2001.03.08 |
| 申请号 |
WO2000US23872 |
申请日期 |
2000.08.31 |
| 申请人 |
XM SATELLITE RADIO INC. |
发明人 |
MA, HEIN;CHATZIPETROS, ARGYRIOS |
| 分类号 |
G06Q20/12;G06Q20/14;G06Q30/06;G07F17/16;G07F17/30;G11B20/00;G11B20/10;H04H60/22;H04H60/23;H04H60/27;H04L29/06;(IPC1-7):G06F17/60 |
主分类号 |
G06Q20/12 |
| 代理机构 |
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代理人 |
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| 地址 |
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