Restricted key system is a security mechanism involving locks and keys where the duplication of keys is controlled by legal protection and availability is restricted to authorised dealers. This system relies on unique key designs, often patented, ensuring keys are not easily replicated without proper authorization. The distribution of such keys is tightly managed through a documented hierarchy of possession, typically requiring signatures or specific credentials for access.
Employing proprietary technology, these systems employ mechanical innovations that defy standard key cutting techniques. Locks are designed to resist manipulation and forced entry, enhancing security for commercial and residential properties alike. Exclusive contracts with locksmiths or manufacturers are common, limiting the fabrication of new keys to those with explicit rights. This exclusivity extends the control over who can produce and distribute the keys, effectively reducing the risk of unauthorised access.
Key control is maintained through meticulous records and audits, ensuring all issued keys are accounted for and any duplication is recorded. The legal backing for patent protection not only deters counterfeit operations but also legally binds the involved parties to adhere to the set protocols. This system is popular among institutions requiring high-security measures such as government buildings, banks, and large corporations.