| 发明名称 |
Data terminal equipment |
| 摘要 |
A data terminal equipment retrieves index data indicating content data. Then, the data terminal equipment authenticates the content data based on the index data. Only if the authenticity of the content data has been confirmed, the data terminal equipment retrieves the content data from a first server.
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| 申请公布号 |
US2002016915(A1) |
申请公布日期 |
2002.02.07 |
| 申请号 |
US20010866774 |
申请日期 |
2001.05.30 |
| 申请人 |
KUMAZAWA MASAYUKI;SHIMIZU YUJI |
发明人 |
KUMAZAWA MASAYUKI;SHIMIZU YUJI |
| 分类号 |
G06F1/00;G06F21/00;G06F21/64;H04N1/32;(IPC1-7):G06F12/14 |
主分类号 |
G06F1/00 |
| 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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