IDENTIFICATION AND SELECTION OF KEYS FOR USE WITH LOCKS

摘要

The present invention describes a method for coupling electronically addressable and readable illumination means to one at least lock keys. Said illumination means may be used to identify key function and to select a particular key from a group of keys on a key grouping means (eg key ring). A novel key ring is described that may deliver power and electronic signals vi a conductor means to one at least keys.. The system is controlled by a key control means that is preferably provided in a key tag format. The invention provides scope to couple other electronic devices and functions to a key rin g. A method of automatically attaching/detaching keys from a key ring is also described.