发明名称 Security access system
摘要 An entry access system includes a locking mechanism enabling authorized entry at a secured entry point to a closed access area or computing device. Entry is approved in response to an interaction between an intended entrant and the entry access system that involves an interchange of multidigit numbers and use of ID and PINs for generation of a multidigit check number to establish authenticity of a request for entry.
申请公布号 US6075861(A) 申请公布日期 2000.06.13
申请号 US19960657448 申请日期 1996.05.29
申请人 AT&T CORP. 发明人 MILLER, II, ROBERT RAYMOND
分类号 H04L9/32;G07C9/00;G07F7/10;H04M1/66;H04M1/67;H04Q7/38;(IPC1-7):H04L9/32 主分类号 H04L9/32
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