Electronic lock that can learn to recognize any ordinary key
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Abstract
An electronic lock that can be pre-programmed or trained in the field to recognize ordinary flat metal keys by sensing their shape and comparing to a database is disclosed. The lock can be contained in standard configurations for door locks, communicates with external systems, provides control logic for querying and amending its database of allowed keys and rules, provides controlled access to logs of selected data, allows convenient but protected access to replacement batteries, can have all its electronics in the rotatable plug, can communicate and obtain power from devices in the adjacent door jam, can recognize special series key-blanks, can receive coded information entered using an unknown key that makes it useable, can be operated without a key to gain access with a code, can resist manipulation of the latching mechanism, can unlatch with very low power requirements, and provides for integration of almost all mechanism in silicon.
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Citations
20 Claims
- 1. An electronic lock that works with ordinary keys.
- 13. A self-contained electronic lock configured to replace, in the same mounting, conventional door locks.
- 16. A tamper-resistant and electronically controlled actuator for rotating plug locks.
Specification