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公开(公告)号:US3700859A
公开(公告)日:1972-10-24
申请号:US3700859D
申请日:1971-03-19
Applicant: IBM
Inventor: LAURER GEORGE J , SKATRUD RALPH O
CPC classification number: G07C9/00023 , E05B49/006 , G06K7/0166 , H03K5/26
Abstract: A programmable electronic lock and key in which the key consists of a card having non-visible coded indicia thereon designating an address in memory and the contents thereof. The lock includes a card reader for scanning the coded indicia, memory means storing arbitrary patterns at designated locations; and means for comparing the scanned card data and the data extracted from the memory address specified by the card. A mismatch indicates a nonvalid key.
Abstract translation: 一种可编程电子锁和钥匙,其中该钥匙由其上具有不可见的编码标记的卡指定存储器中的地址及其内容组成。 该锁包括用于扫描编码标记的读卡器,在指定位置存储任意图案的存储装置; 以及用于比较扫描卡数据和从卡指定的存储器地址提取的数据的装置。 不匹配表示无效的密钥。