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.
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
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