| 发明名称 |
Document transfer systems |
| 摘要 |
A document transfer system enabling a consumer to obtain a document from an owner upon payment uses a cryptographic protocol involving the consumer, the owner, a document source, such as a printer, and a mediator.
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| 申请公布号 |
US7058605(B2) |
申请公布日期 |
2006.06.06 |
| 申请号 |
US20020052363 |
申请日期 |
2002.01.18 |
| 申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
GUPTA DIPANKAR |
| 分类号 |
G06F21/00;G06F3/12;G06F13/00;G09C1/00;H04L9/30;H04L9/32;H04N1/327;H04N1/34;H04N1/44 |
主分类号 |
G06F21/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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