发明名称 |
ELECTRONIC ACCESS CONTROL DEVICE |
摘要 |
Abstract of the Disclosure An electronic lock utilizes two microprocessors remote from each other for enhanced security. The first microprocessor is disposed close to an input device such as a keypad, and the second microprocessor is disposed close to the lock mechanism and well protected from external access. The first microprocessor transmits a communication code to the second microprocessor when it receives via the input device an access code that matches a preset access code. The second microprocessor opens the lock if the transmitted communication code matches a preset communication code. The dual-microprocessor arrangement is advantageously used in a voice controlled access control system and in a motorcycle ignition control system. The present invention further provides an electronic access control system which has a master electronic key having a preset number of access, and an electronic alarm system for a bicycle that has a remote control mounted in the helmet of the rider.
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申请公布号 |
US2005077998(A2) |
申请公布日期 |
2005.04.14 |
申请号 |
US20040885948 |
申请日期 |
2004.07.07 |
申请人 |
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发明人 |
DENISON WILLIAM D.;BROWNFIELD LAWRENCE C.;SILVERS BRADLEY S. |
分类号 |
G07C9/00;G07F7/10;H04L9/32;(IPC1-7):G06F7/04 |
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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