| 摘要 |
A system and method are disclosed for using a single key to authenticate a user with respect to multiple user access points and to allow a single access point to authenticate multiple keys having different physical characteristics. The system may comprise an access control system that includes an insertion receptacle for receiving a physical key, and a translation device for observing the physical characteristics of the key and translating those characteristics into electrical signals. In a learning mode, the electrical signals are transmitted to a processor and stored in memory. In a verification mode, the electrical signals are transmitted to the processor and compared with the previously-stored signals. If the processor concludes that the signals match the signals stored in memory, then the processor instructs a lock actuation mechanism to actuate an access control device to allow the user access to a location. The translation device may comprise a laser light reader, a piezoelectric crystal, a variable resistor, an electromagnet, or an image acquisition device. A method of using the system is also disclosed.
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