发明名称 |
Programmer for contact readable electronic control system and programming method therefor |
摘要 |
Programmers for an entry control system employ data carriers housing ROM chips. The ROM chips are affixed with unique elemental codes. A keypad addresses the chips in one-to-one correspondence with the keys to transmit the unique elemental codes to the programmable processor of the entry control system.
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申请公布号 |
US5815084(A) |
申请公布日期 |
1998.09.29 |
申请号 |
US19960656401 |
申请日期 |
1996.05.31 |
申请人 |
HARROW PRODUCTS, INC. |
发明人 |
LAVELLE, GARY E.;FROLOV, GEORGE |
分类号 |
G07C9/00;(IPC1-7):G08B5/00 |
主分类号 |
G07C9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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