发明名称 |
Communication system, terminal, reproduction program, recorded medium on which reproduction program is recorded, server device, server program, and recorded medium on which server program is recorded |
摘要 |
Reproduction means of a general-purpose computer (1) reproduces a digital content only when a device ID included in the digital content corresponds to a device ID of a device by which it is intended to reproduce the digital content. When the device ID of the general-purpose computer (1) is altered, a recovery program for recovering an original device ID is downloaded from a recovery program generation server (2), thereby the device ID is recovered. With this arrangement, it is possible to provide a communication system which is capable of recovering a device ID when, for instance, the device ID is altered on account of the reinstall of a program such as an OS or content player.
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申请公布号 |
US2004024860(A1) |
申请公布日期 |
2004.02.05 |
申请号 |
US20030398254 |
申请日期 |
2003.04.02 |
申请人 |
SATO KATSUHIKO;SAWADA YUJI;IWASAKI KEISUKE;NAKO KAZUYUKI |
发明人 |
SATO KATSUHIKO;SAWADA YUJI;IWASAKI KEISUKE;NAKO KAZUYUKI |
分类号 |
G06F12/14;G06F1/00;G06F13/00;G06F21/00;G06F21/24;H04N5/765;H04N5/91;H04N7/173;(IPC1-7):G06F15/177 |
主分类号 |
G06F12/14 |
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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