Key with a disk arrangement and a method for setting a lock to i

Details Key with a disk arrangement and a method for setting a lock to i Key with a disk arrangement and a method for setting a lock to i

1998-05-06

2000-08-29

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

34082534, 235458, G06F 704

Patent

active

061115169

ABSTRACT:
A disk arrangement is formed for a key by installing a plurality of disks, where each disk is either penetrable or non-penetrable by infrared light, into a plurality of through holes in the key. Selection of different types of disk for installation results in different disk arrangements for the key and the key is specified by its own disk arrangement. A lock is set to identify the key by detecting and storing the disk arrangement of the key by transmitting and receiving infrared light through the disks. The detected disk arrangement is stored in a memory device of the lock.

REFERENCES:
patent: 4144523 (1979-03-01), Kaplit
patent: 4625100 (1986-11-01), Smith

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