发明名称 |
Document security system |
摘要 |
Document monitoring provides a measure of document security. Documents incorporating radio frequency identification (RFID) tags can be monitored by appropriate interrogation components for movement activity. A surface suitable for placement of documents is configured for monitoring RFID tagged documents. Such documents can be monitored in a document processing device to control access to the document processing functions.
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申请公布号 |
US7129840(B2) |
申请公布日期 |
2006.10.31 |
申请号 |
US20020235030 |
申请日期 |
2002.09.03 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
HULL JONATHAN J.;GRAHAM JAMEY;LEE DAR-SHYANG;SEGAWA HIDEKI |
分类号 |
G06K17/00;G08B13/14;G08B13/22;G08B13/24;G08B25/08 |
主分类号 |
G06K17/00 |
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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