Safety-deposit box system

Details Safety-deposit box system Safety-deposit box system

1995-02-24

1995-12-12

Black, Thomas G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

G06K 962

Patent

active

054753767

ABSTRACT:
In a safety-deposit box system including a safety-deposit box, a system controller, and a safety-deposit box controller, a multi-function key is used. The safety-deposit box has a lock and the multi-function key has a metal portion and an electronic memory. Information electronically stored on the electronic memory is read by a reception device and sent to a determination device in the system controller. The determination device compares the sent information with information prerecorded in an electronic memory in the system controller. When the two sets of information agree, the system controller outputs a signal to the safety-deposit box controller. After receiving the signal, the safety-deposit box controller checks mechanical appropriateness of the metal key portion and, if mechanically appropriate, unlocks the lock.

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patent: 4998952 (1991-03-01), Hyatt, Jr. et al.
patent: 5132661 (1992-07-01), Pinnow
patent: 5164992 (1992-11-01), Turk et al.
patent: 5245329 (1993-09-01), Gokcebay
patent: 5283644 (1994-02-01), Maeno

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