Security system

Details Security system Security system

E - Fixed Constructions

05

B

340/128

E05B 47/00 (2006.01) E05B 49/00 (2006.01) G07C 9/00 (2006.01) G07C 11/00 (2006.01) G08B 13/00 (2006.01)

Patent

CA 1101513

Inventors: Leonard J. Genest and Vache B. Madenlian Title: SECURITY SYSTEM Docket No.: 1659-115 ABSTRACT A security system for controlling access to a locked area and updating the lock includes a central console for generating key codes, encoding key cards, and storing the codes in a memory. Each lock may be opened by a properly encoded key card . The guest lock code is automatically changed each time a new guest key card is generated and used. In order to operate the console, an authorization card bearing an appropriate authorization code is required. The authorization codes are fixed in the memory of the console. In addition, the system includes means inside the locks enabling a group of locks to be opened by a card having a master code and a subgroup of locks to be opened by a card having a station code. A portable temporary security override module (TSOM) receives a security code and a key code from the central console to enable the TSOM to be used to either open the lock, operate a double lock to lock or unlock the double lock, or update the lock by changing the guest, station or master codes which open the lock. A portable permanent security override module (PSOM) stores a security code and may receive a key card to either open the lock, operate a double lock to lock or unlock the double lock, or update the lock by changing the guest, station or master key codes which open the lock. The security code or codes are fixed in the memories of the console, locks and PSOM.

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