发明名称 Method and system for electronic document certification
摘要 A system and method for certified transmission of an electronic document, as verified by the generation of a certification indicia. Three embodiments of the system and method are disclosed, providing for the certified transmission of a document through an independent certification device or for direct transmission from a sender to a recipient. Furthermore, the resulting certification indicia may be generated by an independent certification device or by a portable processor at the sender or receiver's location.
申请公布号 US6158003(A) 申请公布日期 2000.12.05
申请号 US19990259760 申请日期 1999.03.01
申请人 E-STAMP CORPORATION 发明人 KARA, SALIM G.
分类号 H04L9/32;H04L29/06;H04N1/32;H04N1/44;(IPC1-7):H04L9/00 主分类号 H04L9/32
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