Electronic lock and key system
First Claim
1. A security system for controlling ingress and egress through a plurality of locks, said security system comprising:
- master controller means for providing central recording of activity in the security system and central program and data entry for controlling said system;
a plurality of subcontroller means for making decisions concerning ingress and egress through said plurality of locks, said subcontroller means being coupled to said master controller means to receive programs and data entered in said master controller means to report activity in the security system to the master controller means, said subcontroller means being also capable of independently making said ingress and egress decisions even if the coupling to the master controller is interrupted; and
a plurality of terminal controller means coupled to each of the plurality of subcontroller means for accepting entry codes at each of said locks and opening and closing each of said locks under control of said subcontroller decisions, said terminal controllers being also capable of dependently opening and closing said locks if the coupling to their respective subcontrollers is interrupted.
2 Assignments
0 Petitions
Accused Products
Abstract
An electronic security system and an electronic proximity key for use therein are disclosed in which a multitiered distributed architecture is used to rapidly and flexibly provide ingress and egress through a plurality of electronic locks. In the event of loss of communication with the central processor, the system will continue to function at lower levels of security without interrupting requests for ingress and egress, and will continue to provide alarm monitor processing. An improved proximity key for actuating the security system is disclosed which includes coupling coils that are integrally formed as part of the integrated circuit lead frame associated with the coding circuitry of such key.
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Citations
10 Claims
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1. A security system for controlling ingress and egress through a plurality of locks, said security system comprising:
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master controller means for providing central recording of activity in the security system and central program and data entry for controlling said system; a plurality of subcontroller means for making decisions concerning ingress and egress through said plurality of locks, said subcontroller means being coupled to said master controller means to receive programs and data entered in said master controller means to report activity in the security system to the master controller means, said subcontroller means being also capable of independently making said ingress and egress decisions even if the coupling to the master controller is interrupted; and a plurality of terminal controller means coupled to each of the plurality of subcontroller means for accepting entry codes at each of said locks and opening and closing each of said locks under control of said subcontroller decisions, said terminal controllers being also capable of dependently opening and closing said locks if the coupling to their respective subcontrollers is interrupted. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification