发明名称 Electronic access control device
摘要 An electronic access control device is disclosed comprising two microprocessors. The first microprocessor receives a wirelessly transmitted that is compared to a stored access code. If those two codes match, the first microprocessor transmits a special communication code to the second microprocessor. The second microprocessor opens the lock if the transmitted communication code matches a stored communication code.
申请公布号 US8587405(B2) 申请公布日期 2013.11.19
申请号 US20050137257 申请日期 2005.05.25
申请人 DENISON WILLIAM D.;SILVERS BRADLEY S.;BROWNFIELD LAWRENCE;O.S. SECURITY 发明人 DENISON WILLIAM D.;SILVERS BRADLEY S.;BROWNFIELD LAWRENCE
分类号 H04L9/32;G07C9/00;G07F7/10 主分类号 H04L9/32
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